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Inline Optical Power Monitoring, Network End-to-End Data Link Evaluation System

AS-3 Fiber Optics and Applied Photonics Committee
  • Aerospace Standard
  • AIR6552/1
  • Current
Published 2019-10-02 by SAE International in United States

This document establishes methods to obtain, store, and access data about the health of a fiber optic network using commercially available inline optical power monitoring sensors. This document is intended for:

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Understanding Fiber Optic Transceiver Design and Test Rules

  • Magazine Article
  • TBMG-35119
Published 2019-09-01 by Tech Briefs Media Group in United States

The design of avionics systems must balance several factors. First, engineers want to increase the performance of the systems installed in aircraft or spacecraft. Second, they want to reduce the size and weight of the equipment that must be carried. Third, they want to maximize the safety of the in-flight systems and maintain communication between the aircraft or spacecraft and other flight vessels and the command center, regardless of the circumstances.

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Understanding Fiber Optic Transceiver Design and Test Rules

Aerospace & Defense Technology: September 2019

  • Magazine Article
  • 19AERP09_03
Published 2019-09-01 by SAE International in United States

The design of avionics systems must balance several factors. First, engineers want to increase the performance of the systems installed in aircraft or spacecraft. Second, they want to reduce the size and weight of the equipment that must be carried. Third, they want to maximize the safety of the in-flight systems and maintain communication between the aircraft or spacecraft and other flight vessels and the command center, regardless of the circumstances.

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All-Silicon MEMS Inertial Sensing at Fiber Optic Gyro Performance Levels

  • Magazine Article
  • TBMG-35195
Published 2019-09-01 by Tech Briefs Media Group in United States

There is increasing demand in many high-end commercial and industrial markets for precision motion sensing for a diversity of applications. In particular, demand is growing for effective guidance and stabilization in applications with severe limitations on space and/or weight, or available budget. UK/Japanese joint venture, Silicon Sensing Systems, has developed a high-performance all-silicon micro-electro-mechanical systems (MEMS) gyro in response to this demand.

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Ultrafast Optics: Vector Cavity Lasers - Physics and Technology

Aerospace & Defense Technology: September 2019

  • Magazine Article
  • 19AERP09_10
Published 2019-09-01 by SAE International in United States

Investigating the operation of fiber lasers where the vector nature of light propagation in the laser cavity is considered.

Fiber lasers have found widespread applications in industrial material processing, scientific research and military systems due to their advantages of easy maintenance, excellent stability, compact size and low cost. One characteristic of fiber lasers, compared to other types of lasers, is that strong light is confined to propagating a long distance in a fiber core that has a very small cross-sectional area. This has the consequence that the nonlinear light interaction with the matter has a very long length. This results in the strength of all nonlinear optical processes being strongly amplified. This means that a conventionally weak, nonlinear optical effect can become significant. Therefore, apart from the practical applications, fiber lasers also constitute an ideal platform for the exploration of various complex nonlinear dynamics.

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Facility Focus: Georgia Tech Research Institute

  • Magazine Article
  • TBMG-35142
Published 2019-09-01 by Tech Briefs Media Group in United States

The Georgia Tech Research Institute (GTRI) is the nonprofit applied research division of the Georgia Institute of Technology (Georgia Tech) in Atlanta, GA. Founded in 1934 as the Engineering Experiment Station, GTRI supports eight laboratories in more than 20 locations around the country and performs more than $370 million of research annually for government and industry.

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Fusion Splice for Aerospace Fiber Optic Cables

AS-3 Fiber Optics and Applied Photonics Committee
  • Aerospace Standard
  • AS6506A
  • Current
Published 2019-07-11 by SAE International in United States

This document defines performance standards which fiber optic cable splices must meet to be accepted for use in aerospace platforms and environments.

All-Fiber, Optically Controlled Optical Switch

  • Magazine Article
  • TBMG-34622
Published 2019-06-01 by Tech Briefs Media Group in United States

An optical switch is a device where information-bearing light may be directed to one of several outputs. Prior art optical switches have mainly been integrated optical waveguide structures such as titanium-diffused (Ti) waveguides in lithium-niobate (LiNbO3) or gallium-arsenide (GaAs) structures, or other compound semiconductors.

Single-Photon Detector for Potential Encryption and Sensing

  • Magazine Article
  • TBMG-34600
Published 2019-06-01 by Tech Briefs Media Group in United States

Light is widely used for communications, carrying phone conversations and video signals through fiber optic cables around the world in pulses composed of many photons. Single photons are the weakest signal that can be transmitted and they have a wide range of applications including implementing an encryption technique called quantum key distribution and creating high-resolution maps. Single photons of light typically have very little energy, making them difficult to detect.

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Interface Standard, Airborne EO/IR Systems, Data

AS-1C Avionic Subsystems Committee
  • Aerospace Standard
  • AS6135A
  • Current
Published 2019-05-14 by SAE International in United States
This standard defines the data interfaces between a host aircraft (“platform”) and an Electro-Optic/Infrared (EO/IR) sensor. These data interfaces cover various types of data including: imagery, metadata, command, status, and responses (CSR), geospatial postion, time, test and maintenance, and hand-controller. This standard does not cover mechanical or electrical interfaces.
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