Test fleet data gathering for AI training of future Level 5 autonomous vehicle

The global automotive industry advances rapidly toward fully autonomous (Level 5) vehicles.

The global automotive industry advances rapidly toward fully autonomous (Level 5) vehicles. Today, many competing data gathering fleets of vehicles are logging millions of km on the roads of the world in order to amass the data required to feed and train the AI that will enable full vehicle autonomy. The detection accuracy and the size of the dataset demanded by those safety-critical training system is very high, as is the bandwidth, performance, and reliability of the high-speed links providing the data collecting backbone of these vehicles.

Description of the application

The data gathering  systems used in those vehicles are expected to operate flawlessly irrespective of weather conditions, visibility, or road surface in order to improve data quality and accuracy.

Training a roadworthy algorithm

Neural networks need to be trained on representative datasets that include examples of all possible driving, weather, and situational conditions to ensure reliable, flawless operation of the future self-driving vehicles.

Gathering data

In order to amass as much driving environment data as possible, a typical data-gathering vehicle setup consists of a multitude of sensors including cameras, radar and lidar, giving the vehicle 360-degree data gathering capability. In practice this translates into petabytes of training data being shuttled from sensors, to computer, to storage over the vehicle’s high-speed, hight-bandwidth data collection networks.

Obviously, the exact instrumentation details of specific manufacturers or suppliers are not in the public domain. But one can reasonably assume that the amount of data generated and the speed at which it is generated demand a very robust and high-bandwidth system.

Benefits of using LightVISION VM industrial optical transceivers

  • Bandwidth from 50G (4 TX or 4 RX lane) to 150G (12 TX or 12 RX lane)
  • Lightweight and easy to integrate optical cable
  • Multimode 850 nm wavelength laser
  • Standard MPO parallel fiber connector.
  • Available in commercial (0 ºC to 70 ºC) and industrial (–40 ºC to 100 ºC) grade temperature ranges.
  • Suitable for harsh environment and automotive applications
  • Standard MTP/MPO cable connection
  • RoHS, robust, screw-in board-mounted optical module with reduced footprint
  • Low power consumption: <100 mW per lane
  • Over 100 m reach on OM3 ribbon fiber

Application developed in partnership with AED Engineering.

Transceiver used in this application

LightVISION VM industrial optical module

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Optical technology is the only way to ensure rugged, reliable, high-bandwidth data collection.

High bandwidth needs calls for optical

The data collection network and computing systems of these vehicles are expected to:

  • Connect LIDAR and radars.
  • Connect high-resolution cameras.
  • Provide centralized processing power and storage.
  • Operate in harsh environments.

Eliminating the network bottleneck

By offering much higher speed that what is available with copper interconnects, optic fiber data links remove the bottleneck in the data collection network and enable high-quality uncompressed data to be stored in the vehicle.

By removing bottlenecks in the data path, the optical link is the ideal backbone of a data gathering system.
By removing bottlenecks in the data path, the optical link is the ideal backbone of a data gathering system.

By removing bottlenecks in the data path, the optical link is the ideal backbone of a data gathering system.

LightVISION VM with LightSNAP interface

 

The LightVISION VM is a screw-in, robust, industrial and RoHS optical module with LightSNAP interface that answers all the requirements of high bandwidth data gathering application.

The LightVISION VM is a screw-in, robust, industrial and RoHS optical module with LightSNAP interface that answers all the requirements of high bandwidth data gathering application.
The LightVISION VM acts like a QSFP+ but offers reduced dimensions and power consumption, industrial temperature range, multiple board mounting options, and board mount and edge mount capability. This optical module will outclass QSFP+ on multiple front and it is backed by Reflex Photonics proven reliability and rugged design.
LightSNAP adds a standard MPO pluggable optical interface to the LightVISION VM optical module. This combination allows a standard MPO cable to be plugged into the optical module and also mounted on the face-plate of a box or line-card.

Optical interconnect for upgraded military aircraft sub-systems

The LightABLE is now used in numerous sub-systems of the recently upgraded SH-60K of the Japan Self-Defense Forces.

The LightABLE is now used in numerous sub-systems of the recently upgraded SH-60K of the Japan Self-Defense Forces.

Military aircraft either consist of rotary-wing or fixed-wing aircraft that are used for combat or surveillance missions, or for the transportation of military personnel and supplies. Many of the global military aircraft fleets are designed to be in service for decades.
Nowadays, because of budget constraints, defense administrations are focusing on upgrading and retrofitting the existing fleet of aircraft with advanced avionics, flight control, weapons, and other systems to make their aircraft more efficient and keep pace with the changing nature of modern warfare.
In addition, several surveillance systems are being installed in airplanes as emergency warning systems to enhance aircraft situational awareness of pilots and reduce their workload.
Special mission airplanes and UAVs are also being deployed for reconnaissance and surveillance missions across land and maritime borders, which necessitates the retrofitting of communication, navigation and surveillance (CNS) systems into existing military fleets.

Benefits of using optical LightABLE transceivers

  • Small: Less than 5 mm high
  • Rugged: MIL-STD 883 shock and vibration qualified
  • Sealed: Moisture and thermal shock resistant
  • Storage temperature: –57 ºC to 125 ºC
  • Performance: 12.5 Gbps/lane from –40 ºC to 100 ºC
  • BER: As low as 10–15
  • Sensitivity: –12 dBm
  • Proven: Thousands used in aerospace and defense applications
  • Low power consumption: 100 mW/lane

Transceiver used in this application

LightABLE 50G and 150G embedded transceivers

 LightABLE LM 50G and 150G embedded transceivers

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Description of the application

Many of the world’s military forces are renewing their military aircraft fleets to add or improve sub-systems.

Many of the world’s military forces are renewing their military aircraft fleets to add or improve sub-systems.
  • Infrared countermeasures
  • Radar upgrades
  • Situational awareness systems
  • Cockpit data links
  • Communication equipment
  • Integrated flight deck systems
  • Mission management computers
  • Displays, including head-up displays
  • Airborne intelligence gathering systems
  • Precision guidance systems
  • CNS systems

Upgrading with commercial off-the-shelf (COTS) components and technology

As the industry is forced to become more cost effective in system designs for avionics retrofits, the use of COTS technology becomes more prevalent. COTS avionics components and systems have numerous advantages: they shorten the design cycle, are more affordable and can be used on multiple platforms.
It is expected that the increased utilization of COTS systems in military aircraft will provide growing opportunities for suppliers to enter the military aircraft modernization, upgrade, and retrofit market.

Optical interconnect for modernization, upgrade, and retrofit of military aircraft sub-systems

As explained above, aircraft modernization is needed to maintain a relevant defense system. Optical interconnects delivers the high bandwidth to accommodate AESA (active electronics scanned arrays, high resolution cameras, and other advanced aircraft sub-systems. As well, optical interconnects with its inherent EMI immunity and small SWaP is the interconnect of choice for modern aircraft.
Reflex Photonics’ rugged embedded optical modules with their small footprint, high I/O density, and low power consumption have enabled many aircraft sub-systems to achieve the high performance and reliability needed for aircraft modernization.

Radar warning receiver (RWR)
Missile launch detector (MLD)
Active electronically scanned array (AESA) radar.
Mission computers
Head-up display
Multi-function display (PMFD)
Data link
Helmet mounted displays and sights
Cockpit management systems
Targeting systems
Optronic payloads
Optical bus
Optical interconnects with its inherent EMI immunity and small SWaP is the interconnect of choice for modern aircraft.

Optical transceivers upgrade for 100/140 µm aircraft optical cabling

Optical transceivers upgrade for 100/140 µm aircraft optical cabling

The LightABLE embedded optical module can also be used with 100 µm fiber optic cables commonly found in older aircraft, eliminating the need to re-cable the aircraft to achieve higher interconnect bandwidth.
Reflex Photonics has demonstrated its LightABLE optical transceiver delivers error-free operation at 10 Gbps with older 100 µm fiber thus, alleviating the need to replace the installed optical cables.

Optical interconnect for high-speed, high-bandwidth 10GigE and 40GigE cameras

Machine vision will benefit from the high-bandwidth of the LightVISION industrial optical transceiver

The LightVISION™ with emQSFP+™ acts like a QSFP+ but offers reduced dimensions and power consumption, industrial temperature range, multiple board mounting options, and board mount and edge mount capability. This new optical module will outclass QSFP+ on multiple front and it is backed by Reflex Photonics proven reliability and rugged design. This new device is perfectly suited for 40GigE high-speed camera and demanding machine vision applications.

Description of the application

40GigE camera can generate of to 40 Gbps of data that needs to be transferred from the sensor to servers or computers across a fast and reliable link. 
It is well known in the high-bandwidth connectivity world that signal integrity tends to degrade at baud rate higher than 10 Gbps over traditional copper links. At these rates, an optical link is the only viable solution to transfer the information generated by these high-bandwidth devices. 
This is why 40GigE camera integrator are now offering cameras that integrate optical module capable of >40 Gbps electro-optical conversion. For that purpose, up to now, camera designers were considering QSFP+ devices.

Reflex Photonics is proud to offer an innovative solution that integrates the capabilities of QSFP+, but in a format, that occupies 7 times less space, offers multiple board mounting option, and consumes less power. The LightVISION is now giving camera designers the ability to envision more compact and more reliable product that can be deployed in harsh environments.

Benefits of using Reflex Photonics’ industrial LightVISION  

  • Suitable for harsh environment and automotive applications .
  • QSFP+ technology replacement.
  • New generation of optical engine (emQSFP+).
  • Interoperability with QSFP+
  • Flexible height with LGA interposer.
  • Standard MTP/MPO cable connection.
  • RoHS, robust, screw-in board-mounted optical module with reduced footprint.
  • Performance: up to 50G from −40 ºC to 85 ºC .
  • Low power consumption: >100 mW per lane.
  • Bandwidth of 50G (4TX and 4 RX lane).
  • Multimode 850 nm wavelength laser.
  • Over 100 m reach on OM3 ribbon fiber.
  • Standard MPO parallel fiber connector.
  • 100GBASE-SR4 compatible.

Module or transceiver used in this application

LightVISION rugged industrial optical transceiver.

LightVISION rugged industrial optical transceiver.

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LightVISION with LightSNAP interface

The LightVISION is a screw-in, robust, industrial and RoHS optical module with LightSNAP interface. LightSNAP adds a standard MPO pluggable optical interface to the LightVISION optical module. This combination allows a standard MPO cable to be plugged in the camera housing and on a frame grabber card.
This approach offers a standard MPO cable connection with a robust, board mounted optical engine providing small size (footprint) and convenient optical cabling at the same time. In addition, the MPO connector is covered with an outside cover boot addressing the issue of water and dust contamination.

LightSNAP interface adds a standard MPO pluggable optical interface to the LightVISION optical module.

LightVISION is offered as a 2, 4, 6, 8, 10, 12-lane transmitter, 2, 4, 6, 8, 10, 12-lane receiver or a 4+4-lane transceiver.

View of the board assembly

LightVISION LGA interposer and board attachment.

Size comparison between a QSFP+ (top) and a LightVISION transducer (bottom). LightVision occupies 7 times less volume than a QSFP+.

Size comparison between a QSFP+ (top) and a LightVISION transducer (bottom). LightVision occupies 7 times less volume than a QSFP+. 

LightVISION rugged embedded industrial transceiver

LightVISION and QSFP+ feature comparison

  QSFP+ LightVISION
Dimensions (L × W × H) in mm 72 × 18 × 9 23 × 14 × 5
Temperature (ºC) 0 to 70 −40 to 85
Mounting options Few Multiple
Direct board mounting No Yes
Power <1.25 W <1 W
MTP/MPO interface Yes Yes
RoHS compliance Yes Yes
Price Low Low
100GBASE-SR4 compatibility Yes Yes
Hot pluggable Yes No
I2C interface Yes Yes
850 nm emission Yes Yes
OM3 fiber Yes Yes
Example of integration of LightVISION in a high-resolution camera.

Example of integration of LightVISION in a high-resolution camera.

Optical interconnect within space vehicles in low-earth orbit

Satellite can use optical transceivers extensively.

Leveraging its expertise in embedded optical communication modules for defense and aerospace, Reflex Photonics is offering radiation-hardened optical transceivers aimed at the space market with the introduction of the SpaceABLE™ and SpaceCONEX™ “radiation hardened” line of products.

Description of the application

When components, like embedded optical transceivers are deployed in space on a satellite or on a space vehicle, they are exposed to both protons and heavy ions from cosmic rays and solar flares.
This is why, unlike most electronic equipment designed for terrestrial use, hardware deployed at LEO (low earth orbit: altitudes between 500 and 2000 km), must be radiation hardened. The charged particles are concentrated by the earth magnetic field into two principal zones called the Val Allen belts. The inner belt ranges from 500 to 6000 km in altitude and overlap the LEO zone where most satellites discussed by this application will be located.

 The charged particles are concentrated by the earth magnetic field into two principal zones called the Val Allen belts.

Shielding is not the solution

Systems with increased shield thickness, see a reduction in low-energy proton fluence, while the fluence of protons with energy greater than 50 MeV is hardly affected. Although shielding is effective at reducing the fluence of low-energy protons, secondary radiation is generated as a result of protons interacting with the shielding material. This radiation takes the form of gamma rays, neutrons, protons, electrons, alpha particles, and heavier nuclei. This is why SpaceABLE and the SpaceCONEX radiation-hardened optical transceivers, with their intrinsic radiation resistance, are well suited to provide optical interconnect within space vehicles in low-earth orbit.

Benefits of using Reflex Photonics optical space-grade optical solutions

  • Meet highest level SWaP requirement.
  • Smallest transceiver on the market, low weight.
  • Heavy-ion tested.
  • Gamma rays tested.
  • High and low energy protons tested.
  • ECSS process and lot acceptance tests.
  • 12-lane parallel optical transceiver.
  • Up to 12.5 Gbps/lane from –40 ºC to 100 ºC.
  • BER: As low as 10–15.
  • Sensitivity: as high as –12 dBm.

Transceiver used in this application

SpaceABLE radiation hardened optical transceivers

SpaceABLE 150G and  SpaceABLE 50G radiation resistant transceivers

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SpaceABLE radiation-resistant optical transceivers

SpaceABLE radiation hardened optical transceivers

We are taking all these environmental threats seriously when it comes to qualifying our radiation hardened modules and this is why we have placed so much effort on testing for heavy ions, protons and gamma rays. Reflex Photonics’ radiation resistant or “Space-grade” transceivers are engineered to withstand radiation doses >100 krad (Si).
Furthermore, all our devices are “Space-qualified” because we carry out complete ECSS lot acceptance testing and component pre-screening for every batch targeted for this market.

Radiation tests summary

Radiation Test #1:

Proton testing: Total Non-Ionizing Dose (TNID).
Testing was done at KVI – University of Groningen, The Netherlands.

Radiation Test #2:

Heavy ion testing: Single Event Effect & Latch-up (SEE and SEL).
Testing was done at Texas A&M University, USA.

Radiation Test #3:

Gamma Ray using Cobalt-60: Total Ionizing Dose (TID) (MIL-STD-883G, method 1019.7).
Testing was done at TRAD in Toulouse, France.

SpaceABLE also passed standard LightABLE qualifications

  • Vibration tests per MIL-STD-883, Method 2007.3.
  • Mechanical shock tests per MIL-STD-883, Method 2002.4.
  • Thermal shock tests per MIL-STD-883, Method 1011.9.
  • Damp heat tests per MIL-STD-202, Method 103B.
  • Cold storage tests per MIL-STD-810, Method 502.5.
  • Thermal cycling tests per MIL-STD-883, Method 1010.8.

References

Stephen Buchner, Paul Marshall, Scott Kniffin and Ken LaBel. “Proton testing guidelines”, NASA/Goddard Space Flight Center, 2002.
Doug Sinclair and Jonathan Dyer. “Radiation Effects and COTS Parts in SmallSats”, SSC, 2013.

Optical transceivers upgrade for 100/140 µm aircraft optical cabling

Reflex Photonics demonstrates its LightABLE transceivers can drive older 100 µm fiber optic cables, extending aircraft life and reducing upgrade cost.

The LightABLE™ embedded optical module can directly drive 100 µm fiber optic cables commonly found in older aircraft, eliminating the need to re-cable the aircraft to achieve higher interconnect bandwidth.
New or upgraded sensors and computer systems offer great benefits to existing military and commercial aircraft but often necessitate interconnect bandwidth of 10 Gbps or more. Unfortunately, replacing older 100 µm optical fibers in aircraft to support this higher bandwidth can be prohibitively expensive. 

Reflex Photonics solved this problem by demonstrating its LightABLE optical transceiver delivers error-free operation at 10 Gbps with older 100 µm fiber thus, alleviating the need to replace the installed optical cables.
In addition, the LightABLE transceiver will operate with newer 50 µm fiber (OM3, OM4, or OM5) to deliver interconnect bandwidth well beyond 25 Gbps on distances up to 100 m.

Objective

Test the performance of LightABLE LM Series transceivers with 100/140 µm graded index optical fiber interface at temperatures ranging  from −40 ºC to 85 ºC.

Fiber Characteristics

100/140 µm fiber
50/125 µm fiber

Comparing 100/140 µm fiber (left) with 50/125 µm fiber (right). Pictures use the same scale.
100/140 fiber used is BF04432-01 100/140 – 250 fibers from OFS.

Benefits of using LightABLE transceiver

  • Full duplex 120G transceiver with 12 transmit lanes and 12 receive lanes operating at up to 12.5 Gbps per lanes.
  • 12-lane MT ferrule connector allowing for short reach applications (up to 100 m) on OM3 multimode fiber.
  • Low power consumption: 1.8 W per optical module.
  • Small dimensions (L × H × D): 24 mm × 5 mm × 13 mm.
  • MIL-STD 883 shock and vibration qualified.
  • Operation over industrial temperature range: –40 ºC to 100 ºC.
  • Bit error rate as low as 10–15.
  • Receiver sensitivity: –12 dBm.
  • Supports front panel optical interface.

Transceiver used in this application

LightABLE SR12 embedded transceivers

LightABLE LM 50G and  150G embedded transceivers

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Transmitter optical performance

Example of TX eyes (@ 3.3V) on LM Series SR4 pluggable parts.

Transmitter optical performance diagram
Eye diagram with 50/125 OM3 interface

10.3125Gbps @ 85 ºC. 
Lane 1 L00C1775 with 50/125 OM3 interface.

Eye diagram with 100/140 fiber interface

10.3125Gbps @ 85 ºC. 
Lane 1 L00C1813 with fully mode scrambled 100/140 fiber interface.

Observations

  • The TX eyes are identical within normal measurement uncertainty.
  • The main features such as jitter, extinction ratio, crossing % and average power are all maintained and remain within specification.
  • 100/140 Coiled fibers and MT interface to 50/125 fibers were placed within the oven when taking the 85 ºC and −40 ºC measurements.

Receiver sensitivity results

Receiver sensitivity results diagram

Sensitivity tests were done on two SR4 units and two SR12 units, where the bit pattern of a PRBS-31 signal generated by reference TX module are injected in a 100/140µm coiled fibers. The fully mode scrambled signals of the 100/140 fibers are then injected to the receiver parts for bit error testing. One of the SR4 was also ramped up and down in temperature to measure at 85 ºC and – 40 ºC. Measurement is precise to 0.5 dBm.

* The sensitivity test measures the optical power level required to obtain 10-12 BER with a PRBS-31 signal.

Observations

  • The RX sensitivity tests with a 100/140 fiber interface (fully mode scrambled) show no observable impact on the temperature dependence of the sensitivity.
  • The RX sensitivity tests with a 100/140 fiber interface (fully mode scrambled) indicate decreased sensitivity of at most 1dB, for all tested conditions, when compared to using 50/125 µm fiber (OM3) network.

High speed SEM based defect review system

Wafer inspection

The chipmakers defect review challenges are growing as processes move to smaller and smaller node technology like 10 nm and 7 nm. The ability to discriminate killer defect from viable defect rely more and more on high-end imaging techniques. The sensor resolution and capture speed must increase at the same time to improve the machine throughput and keep capturing the smallest defect efficiently.

Description of the application

Wafer inspection

SEM based semiconductor defect review system integrators are faced with the challenge of integrating sensors that have high resolution and high frame rates.
Moreover, new intelligent machine with real-time adaptive process that enable more accurate defect classification also rely on faster and better data transfer. 
This means that these advanced systems have to transfer more data form the sensor to their computer. They also need a really reliable data link that will not introduce noise. 
For data integrity, link reliability, and error-free data transfer at rates superior to 10 Gbps, optical link becomes the only viable solution.

Benefits of using optical SNAP12 and LightABLE transceivers

  • On-board approach with embedded optics.
  • BER under E-15.
  • Low jitter contribution.
  • Pluggable, SMT, and LGA versions available.
  • Integrated microcontroller.
  • Industrial temperature range reliability.
  • Up to 150 Gbps per module.
  • Strong track record with SEM-based wafer defect review system OEM.

Module or transceiver used in this application

LightABLE SR12 embedded transceivers

SNAP12 and LightABLE LM 50G and 150G embedded transceivers

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Why choose Reflex Photonics’ optical transceivers

Reflex Photonics transceivers enable large amount of critical data to be moved from point A to point B in any industrial data intensive process. Our LightABLE and SNAP12 embedded parallel optics can be operated at up to 150 Gbps and are tested to give BER under E-15 over the industrial temperature operating range. These components ensure that data transfer will never be the bottle neck for complex real-time defect classification procedures.

Embedded transceivers are used to transfer up to 150 Gbps from SEM defect review system sensor to the system microcontroller or computer.

The LightABLE SR12 and the SNAP12 embedded transceivers are used to transfer up to 150 Gbps from SEM defect review system sensor to the system microcontroller or computer. Our customers obtain exceptional results as our design gives them maximum flexibility in terms of board mounting options.

Closing the loop

All lot of reliable data is good, but more significant data is better. Intelligent machine in the industry 4.0 ERA also tend to introduce feedback loop to integrate adaptive process to increase the quality of the defect capture in real time.
Our optical transceivers can also be used on the control path where they can enable sending tons of control data to help complex process being adapted in real time.

VPX Media Converter

VPX Media Converter

VPX Media Converter

Amphenol Aerospace, a world leader in high performance rugged interconnect products, offers the most advance 6U VPX Media Converter Module using Reflex Photonics rugged embedded optics. The new converter module converts backplane high speed signals to electrical and optical Ethernet. 
The VPX Media Converter is offered with a VITA66.1 optical connector and supports 32 × 10G BASE SR or 8 × 40G BASE SR.

Quote from Amphenol Aerospace

The Rugged VPX Media & Protocol Conversion Module provides connectivity for 1G, 10G, and up to 40G Ethernet with 1G-Base-T, 10G-Base-T, and Fiber Base-SR conversion circuitry. It has multiple copper and fiber conversion formats in a unit that meets MIL-STD-810 vibration specifications and rugged temperature ranges. The 3U and 6U VPX modules have corresponding internal sub-system connectors and cables, as well as full test and integration set of products.
The module is ideal for any rugged application where network integration is needed to connect various sensors, recorders, processors, display engines, and other networked devices together. It is intended for plug-and-play integration with COTS VPX CPUs, switches, and other devices.

Benefits of using LightABLE transceiver

  • Converts backplane high-speed electrical signal to front optical and electrical Ethernet I/O.
  • Allows direct MT fiber connection to a VITA 66.1 connector
  • Small dimensions (L × H × D): 24 mm × 5 mm × 13 mm.
  • Low power consumption: 100 mW/lane
  • High I/O throughput: 12.5 Gbps/lane
  • High performance from –40 ºC to 100 ºC.
  • BER: better than 10–12.
  • Receiver sensitivity: –12 dBm.
  • Rugged: MIL-STD 883 shock and vibration qualified.

Learn more about the VPX Media Converter from Amphenol Aerospace

Module or transceiver used in this application

LightABLE SR4 embedded transceivers

LightABLE LM 50 and 150G embedded transceivers

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In-flight entertainment and connectivity

Audio video distribution systems (AVDS) for in-flight entertainment and connectivity.

AVDS node for IFEC applications

Audio video distribution systems (AVDS) for in-flight entertainment and connectivity (IFEC)

The SNAP12 is a 12 lane pluggable parallel optical transmitter or receiver module. The SNAP12 transmitter and receiver modules enable high performance multilane optical links designed for high- speed data communications and computing applications.
The module operates at up to 10.3125 Gbps per lane in commercial and industrial temperature ranges. The interconnect distance is up to 300 m.

The use of the SNAP12 in the audio video distribution systems for in-flight entertainment and connectivity applications brings numerous advantages.

Audio video distribution systems (AVDS) for in-flight entertainment and connectivity.

Quote from Innovative Advantage

AVDS offers less cable, less weight, less mess. AVDS is the only system that uses a distributed network topology without compromising on signal quality by compressing.
AVDS routes signals at their full uncompressed bandwidth (up to 3 Gbps per signal) meaning you get the very best possible quality. No latencies means those video games and presentations are now welcome on the network!
The AVDS redundant ring architecture provides unparalleled fault tolerance. The fiber backbone reduces weight and is not susceptible to EMI noise induction or ground loops. Now you can watch that Blu-Ray movie with uncompromised clarity!

Benefits of using SNAP12 optical transceiver

  • Ability to distribute uncompressed video - the highest quality distribution possible
  • Reduced aircraft wiring
  • Reduced system weight
  • Fault tolerance
  • EMI/EMC and lightning tolerance over copper interconnects
  • 12 independent parallel optical lanes
  • Data rate : 10.3125, 6.25 Gbps or 3.125 Gbps
  • Industrial (–40 °C to 95 °C) and commercial (0 °C to 70 °C) operating temperatures
  • 100 mW/lane typical power consumption
  • Card edge mountable
  • Standard MPO/MTP interconnect
  • Single 3.3 V power supply
  • OM3 and OM4 multimode fibers supported
  • Data protocol agnostic

Learn more about AVDS node for IFEC applications developed by Innovative Advantage

Module or transceiver used in this application

SNAP 12 embedded transceivers

SNAP12 embedded transceivers

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Active Optical Module

Active optical module

Active Optical Module

Active Optical Module

Meritec, in collaboration with Reflex Photonics, developed a compact and rugged 40 Gbps E/O media convertor meeting ANSI/VITA 76 standard. The module provides a simple solution to upgrade the reach of high speed electrical signals by converting to optical. Error-free transmission at 40 Gbps I/O density  over a 100 m was verified in harsh environmental conditions.
The electrical interface uses a size 17 circular shell, while the optical interface is a 12 fiber MT optical ferrule housed in a size 11 circular shell. The length of the media converter is only 7 cm.

Quote from Meritec

The VITA 76 standard defines a high bandwidth copper I/O connector system that consists of bulkhead-receptacles and cable-end-plugs. The bulkhead receptacle is a connector meeting the MIL-DTL-38999M, Series III circular shell requirements. This new development is about a small form cable end plug which convert electrical RF signals from the copper interface to optical signals using a LightABLE SR4 transceiver from Reflex Photonics.

Benefits of using LightABLE transceivers

  • Convert RF signals to optical signals.
  • Full duplex optical transceiver with 4 transmit and 4 receive parallel lane, each lane carrying a 12.5 Gbps signal.
  • This device is fully qualified for harsh environment applications under MIL-STD 883 shock and vibration.
  • Operates under industrial temperature range (–40 ºC to 100 ºC).
  • Data transmission over a distance of 100 m with a bit error rate (BER) better than 10-13 and a wide open eye diagram.
  • Receiver sensitivity: –12 dBm.
  • Small dimensions (L × H × D): 24 mm × 5 mm × 13 mm.
  • Low power consumption: 1.8 W with 8 lanes activated.

Learn more about the Active Optical Module from Meritec

Transceiver used in this application

LightABLE SR12 embedded transceivers

LightABLE LM 50G and  150G embedded transceivers

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Rugged transceivers

The most rugged high-performance embedded transceivers.

Reflex Photonics' products are intrinsically robust making them the ideal choice for the most demanding environment. The sealed optical path guarantees optimum performances over high temperature and humidity ranges. LightABLE based products can be surface mounted and meet the strictest shock and vibration requirements for industrial and military applications.

All Reflex Photonics components undergo a severe test program.

Mechanical integrity

LightABLE being subjected to vibration test
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Vibration test

  • Simple harmonic motion
  • 20 Hz to 2000 Hz
  • 20 G peak acceleration
  • 4 times in each axis
  • BER <10-12 maintained

Mechanical shock

  • Shock pulsed of 500 G
  • Pulse duration 0.5 ms
  • 5 repetitions
  • 6 spatial orientations
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Reflex Photonics Newsletter Stay up to date and informed on new products and announcements with our newsletter.
The newsletter is published 6 times a year. (English only)

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LightABLE being subjected to vibration test
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Live fiber pull test

  • 1 kg weight attached to cable
  • 10 min observation time: BER <10-12 maintained

Thermal shock

  • 20 cycles
  • 0 ºC to 100 ºC
  • Dwell time: 10 min

Environmental testing

LightABLE being subjected to temperature cycling test
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Temperature cycling

  • Cycling range: -40 ºC to 85 ºC
  • Cycling ramp: 10 ºC per min
  • 1000 cycles
  • Mil-STD-883E Method 103B

Damp heat

  • Temperature and humidity test
  • MIL-STD-202G, Method 103B
  • 500 h at 85 ºC and 85 % RH

Temperature stress

  • Cold storage: -57 ºC
  • Hot storage: 125 ºC

Reflow test

  • Lead (Sn-Pb)
  • RoHS