Browse Topic: Fiber optics

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Arc Damage Assessment of Arc Plume and Physical DamageAIR6982 (Current)11/26/2025
Describes the relative measurement of assessing the damage zone of arc plasma to determine appropriate separation/segregation requirements between a wire harness and nearby components
AE-8A Elec Wiring and Fiber Optic Interconnect Sys Install
Aircraft Lightning Test MethodsARP5416B (Current)11/26/2025
This document is one of a set covering the whole spectrum of aircraft interaction with lightning. This document is intended to describe how to conduct lightning direct effects tests and indirect system upset effects tests. Indirect effects upset and damage tolerance tests for individual equipment items are addressed in DO-160/ED-14. Documents relating to other aspects of the certification process, including definition of the lightning environment, zoning, and indirect effects certification are listed in Section 2. This document presents test techniques for simulated lightning testing of aircraft and the associated systems. This document does not include design criteria nor does it specify which items should or should not be tested. Acceptable levels of damage and/or pass/fail criteria for the qualification tests must be approved by the cognizant certification authority for each particular case. When lightning tests are a part of a certification plan, the test methods described herein
AE-2 Lightning Committee
Loss Budget Specification for Fiber Optic LinksAS5750B (Current)10/01/2025
This document defines a quantified means of specifying a digital fiber optic link loss budget: - Between end users and system integrators - Between system integrators and subsystem suppliers - Between subsystem suppliers and component vendors The standard specifies methods and the margin required for categories of links.
AS-3 Fiber Optics and Applied Photonics Committee
Revolutionizing the Traffic Light21AVEP01_0501/27/2025
Two start-ups are using cameras, sensors and AI to enable more efficient vehicle flow through intersections. Every motorist has experienced the frustration of waiting at a red light when there is no traffic in sight. These days, countless household devices use sensors, cameras and connectivity to understand and respond to the world - so why do most traffic lights languish in the analog age, causing our vehicles to unnecessarily stop and idle? In a spring 2019 report, Guidehouse Insights forecast that just 7% of North America's signalized intersections would use so-called adaptive traffic-control technology in 2020. On a global level, that number was 2.3%.
Berman, Bradley
High-Efficiency Hollow-Core Fiber Optic CableTBMG-5216112/01/2024
Researchers have designed a six-hole micro-structure antiresonant air-core fiber (AR-HCF) with a large core diameter of 78 μm. The researchers say it is the first time that 2.79 μm high energy pulsed laser has been transmitted with good efficiency at room temperature.
High-Powered Lasers: A Call for Fiber DeliveryTBMG-5216312/01/2024
A new feature of the modern high-powered laser is the need to transmit various wavelengths through fiber optics. Fiber optics have emerged as the primary method for transmitting laser light due to its ease of setup and disconnection. Moreover, it safeguards end users from light exposure or eye contact, as the light is conveyed through an enclosed conduit.
EVOLUTION OF 360 DEGREE LOCAL SITUATIONAL AWARENESS (LSA) TO AID THE WARFIGHTER2024-01-345111/15/2024
ABSTRACT Northrop Grumman has developed a software and hardware solution to provide enhanced 360 degree local situational awareness (LSA) to enable the warfighter with an overmatch capability on today’s modern battlefield. The architecture exploits technological gains in cameras, video processing, and video compression. The approach allows rapid comprehension of local and remote situational views presented with operational relevance for a ground combat platform or tactical wheeled platform crew. The 360 Degree LSA approach provides direct visualization of relative positioning of targets, threats, and lines of fire; and additionally offers common situational understanding / operational picture from the dismounted soldier to higher echelon commands. The approach provides prioritized information through LSA software to provide an enhanced view to the warfighter whereas the squad leader becomes an integral part of the crew with a view of the common operating picture (mounted) and
Viscovich, Christopher, Geoghegan, Susan, Worthy, David
Loss Budget Specification for Fiber Optic LinksAS5750A (Historical)02/22/2023
This document defines a quantified means of specifying a digital fiber optic link loss budget: Between end users and system integrators Between system integrators and subsystem suppliers Between subsystem suppliers and component vendors The standard specifies methods and the margin required for categories of links.
AS-3 Fiber Optics and Applied Photonics Committee
Optical Fiber Sensor Measures Deviations in SpineTBMG-4694411/01/2022
USE OF FIBER OPTICS OXYGEN SENSOR FOR AIRCRAFT FUEL TANK INERTING APPLICATION 2022-26-116305/26/2022
Aircraft fuel tanks are high risk zones as the ullage volume contain highly flammable fuel-air mixture. In the past, efforts have been made by various agencies to reduce this risk by designing an inerting system which significantly reduces the flammability risks. Regulations are also in place in order to reduce the potential for flammable vapor spaces in fuel tanks for the passenger aircrafts. One of the ways to reduce this risk is to continuously supply the inert gas like nitrogen to the ullage volume so that oxygen concentration is always kept to a level well below the flammability limit. It is therefore essential to measure continuously and accurately the oxygen concentration in the ullage volume of the fuel tank during entire operation of the aircraft. Current technologies have serious limitations in terms of sensor placement inside or near fuel tank and also in terms of continuous operation. This paper studies the limitations of current technologies available on oxygen measurement
Jha, Rajesh Kumar
Communication Transceivers Qualification Requirements - EthernetJ2962-3_202109 (Historical)09/21/2021
This SAE Recommended Practice covers the requirements for ethernet physical layer (PHY) qualification. Requirements stated in this document provide a minimum standard level of performance for the PHY in the IC to which all compatible ethernet communications PHY shall be designed. When the communications chipset is an ethernet switch with an integrated automotive PHY (xBASE-T1), then the testing shall include performance for all switch PHY ports as well as each controller interface. No other features in the IC are tested or qualified as part of this SAE Recommended Practice. This assures robust serial data communication among all connected devices regardless of supplier. The goal of SAE J2962-3 is to commonize approval processes of ethernet PHYs across OEMs. The intended audience includes, but is not limited to, ethernet PHY suppliers, component release engineers, and vehicle system engineers.
Vehicle Architecture For Data Communications Standards
CABLE, FIBER OPTIC, SINGLE-MODE, 6/125/250 µm, HERMETIC COATED, TIGHT BUFFERAS5382/3A (Current)09/21/2021
AS-3 Fiber Optics and Applied Photonics Committee
CABLE, FIBER OPTIC, MULTIMODE, 100/140/172 μm GRADED INDEX, NONHERMETIC, LOOSE TUBEAS5382/2B (Current)09/21/2021
AS-3 Fiber Optics and Applied Photonics Committee
CABLE, FIBER OPTIC, MULTI-MODE, 200/230/500 μm, STEP INDEX, TIGHT BUFFERAS5382/6B (Current)09/21/2021
AS-3 Fiber Optics and Applied Photonics Committee
CABLE, FIBER OPTIC, MULTIMODE, 100/140/172 μm GRADED INDEX, HERMETIC COATED, TIGHT BUFFERAS5382/1B (Current)09/21/2021
AS-3 Fiber Optics and Applied Photonics Committee
CABLE, FIBER OPTIC, MULTI-MODE, 50/125/450 µm, GRADED INDEX, HERMETIC COATED, TIGHT BUFFERAS5382/5B (Current)09/21/2021
AS-3 Fiber Optics and Applied Photonics Committee
Communication Transceivers Qualification Requirements - EthernetJ2962-3_202109-TEST-REC (Historical)09/21/2021
This SAE Recommended Practice covers the requirements for ethernet physical layer (PHY) qualification. Requirements stated in this document provide a minimum standard level of performance for the PHY in the IC to which all compatible ethernet communications PHY shall be designed. When the communications chipset is an ethernet switch with an integrated automotive PHY (xBASE-T1), then the testing shall include performance for all switch PHY ports as well as each controller interface. No other features in the IC are tested or qualified as part of this SAE Recommended Practice. This assures robust serial data communication among all connected devices regardless of supplier. The goal of SAE J2962-3 is to commonize approval processes of ethernet PHYs across OEMs. The intended audience includes, but is not limited to, ethernet PHY suppliers, component release engineers, and vehicle system engineers.
Vehicle Architecture For Data Communications Standards
CABLE, FIBER OPTIC, SINGLE-MODE, 4.6/125/450 µm, HERMETIC COATED, TIGHT BUFFERAS5382/4B (Current)09/21/2021
AS-3 Fiber Optics and Applied Photonics Committee
Conduit, Flexible, Radio Frequency ShieldingAS25064B09/06/2021
No Scope Available
AE-8A Elec Wiring and Fiber Optic Interconnect Sys Install
Communicating Via Long-Distance LasersTBMG-3986009/01/2021
Visible light has been used to communicate for centuries. Lanterns on ships and Morse code flashes allowed information to be conveyed at a distance. But now there’s a better way to use light to communicate over even further distances and with far more accuracy: lasers.
Facing 5G New Radio (NR) Test ChallengesTBMG-3986909/01/2021
It has been nearly five years since the International Telecommunication Union (ITU) released ITU-R M.2083-0, with a roadmap to release IMT-2020 to address the anticipated future of 5G performance that would greatly eclipse that of IMT-Advanced and then-planned 4G technology.
FERRULE, FLEXIBLE CONDUIT, RADIO FREQUENCY SHIELDINGAS25065B (Current)08/14/2021
AE-8A Elec Wiring and Fiber Optic Interconnect Sys Install
CABLE ASSEMBLY EXTERNAL ELECTRIC POWER, AIRCRAFT 115/200 VOLT, 400 HERTZAS90328A (Current)08/05/2021
AE-8A Elec Wiring and Fiber Optic Interconnect Sys Install
Soft Robotic Gripper Based on Twining PlantsTBMG-3959208/01/2021
Scientists often look to nature for cues when designing robots — some robots mimic human hands while others simulate the actions of octopus arms or inchworms. Now, researchers have designed a soft robotic gripper that draws inspiration from an unusual source: pole beans. While pole beans and other twining plants use their touch-sensitive shoots to wrap themselves around supports like ropes and rods to grow upward, the new robot is designed to firmly but gently grasp objects as small as 1 millimeter in diameter.
Fusion Splice for Aerospace Fiber Optic CablesAS6506/1 (Current)07/23/2021
This specification includes detailed requirements for a fiber optic cable splice compliant with AS6506. Every requirement of the parent standard, AS6506, which applies to this detail specification is identified below by the word “applicable.” In any case in which a requirement of this specification varies from that of the parent standard, the alternate requirement is described. If a parent standard requirement does not apply, the words used are “not applicable.”
AS-3 Fiber Optics and Applied Photonics Committee
CONNECTOR ACCESSORIES, FIBER OPTIC BACKSHELLS, SEALING PLUG, CATEGORY 7AS85049/134A (Current)06/22/2021
AE-8C1 Connectors Committee
Fiber Optic Harsh Environment Test Methods Cross Reference DocumentAIR6282A (Current)06/10/2021
This report provides cross reference matrices detailing current test methods used in the qualification processes of fiber optic connectors, termini and cables for aerospace, telecommunications, and naval applications. The cross-reference allows the end user to select the test methods most suitable for qualifying a component, or to identify alternative test methods where a specific test is not defined in a referenced document. The report also provides information on what area each type of referenced document has been developed for.
AS-3 Fiber Optics and Applied Photonics Committee
Fiber Optic Harsh Environment Test Methods Cross Reference DocumentAIR6282A-TEST-REC (Historical)06/10/2021
This report provides cross reference matrices detailing current test methods used in the qualification processes of fiber optic connectors, termini and cables for aerospace, telecommunications, and naval applications. The cross-reference allows the end user to select the test methods most suitable for qualifying a component, or to identify alternative test methods where a specific test is not defined in a referenced document. The report also provides information on what area each type of referenced document has been developed for.
AS-3 Fiber Optics and Applied Photonics Committee
CONNECTOR ACCESSORIES, FIBER OPTIC BACKSHELL, STRAIGHT, SELF-LOCKING CATEGORY 3B FOR MIL-DTL-38999 SERIES III & SAE AS5590/1 CONNECTORSAS85049/131 (Current)05/20/2021
AE-8C1 Connectors Committee
CONNECTOR ACCESSORIES, FIBER OPTIC BACKSHELL, 45°, SELF-LOCKING CATEGORY 3B FOR MIL-DTL-38999 SERIES III & SAE AS5590/1 CONNECTORSAS85049/132 (Current)05/20/2021
AE-8C1 Connectors Committee
CONNECTOR ACCESSORIES, FIBER OPTIC BACKSHELL, 90°, SELF-LOCKING CATEGORY 3B FOR MIL-DTL-38999 SERIES III & SAE AS5590/1 CONNECTORSAS85049/133 (Current)05/20/2021
AE-8C1 Connectors Committee
Connector Accessories, Electrical General Specification forAS85049F (Current)04/14/2021
This specification covers connector accessories for use with electrical connectors; see 6.8.
AE-8C1 Connectors Committee
Connector Accessories, Electrical General Specification forAS85049F-TEST-REC (Historical)04/14/2021
This specification covers connector accessories for use with electrical connectors; see 6.8.
AE-8C1 Connectors Committee
High-Resolution Optical Reflectometry Network End-to-End Data Link Evaluation SystemAIR6552/2 (Current)04/08/2021
This document establishes methods to obtain, store, and access data about the health of a fiber optic network using a commercially available high-resolution reflectometer. This document is intended for: Managers Engineers Contracting Officers Third Party Maintenance Agencies Quality Assurance
AS-3 Fiber Optics and Applied Photonics Committee
Photonics West 2021 PreviewTBMG-3863203/01/2021
After announcing that the SPIE Photonics West 2021 technical conference and exhibition would be postponed until March 6-11 at San Francisco’s Moscone Center, show organizers were forced to go virtual and take the event completely online due to the ongoing COVID-19 pandemic. Now called the Photonics West Digital Forum, the virtual event will offer a mix of live plenary talks, on-demand technical presentations and discussions, online networking and special events, as well as a digital marketplace with product demonstrations and the ability to make business connections. Like the live event, the digital forum will cover a broad range of topics and technologies from biomedical optics and biophotonics to industrial lasers, optoelectronics, microfabrication, MOEMS-MEMS, displays, and more.
High-Brightness Source of Coherent Light Spanning From the UV to THzTBMG-3862703/01/2021
An international team of scientists reports a novel technique for a high-brightness coherent and few-cycle duration source spanning seven optical octaves from the UV to the THz.
Creating High-Precision Glass for NIR LasersTBMG-3863303/01/2021
Erbium (Er) doped phosphate glass exhibits many beneficial properties, which has led to an increased demand in recent years for Er:glass lasers for applications as wide-ranging as laser rangefinding, long-distance communications, dermatology, and laser-induced breakdown spectroscopy (LIBS). Erbium fiber amplifiers enable rapid global communication in the transpacific cable between Hong Kong and Los Angeles, Er:glass laser rangefinders are increasingly used in defense applications and reconnaissance, and Er:glass aesthetic lasers are gaining traction for removing scarring and even treating hair loss caused by androgenetic alopecia.
Sensitive Optical Receivers for SpaceTBMG-3850302/01/2021
Communications in space demand the most sensitive receivers possible for maximum reach, while also requiring high-bit-rate operations. A concept for laser beam-based communications using an almost noiseless optical preamplifier in the receiver has been developed. The free-space optical transmission system relies on an optical amplifier that, in principle, does not add any excess noise, in contrast to all other pre-existing optical amplifiers referred to as phase-sensitive amplifiers (PSAs).
Smart Fabric Detects and Collects Space DustTBMG-3850902/01/2021
Researchers have developed an acoustic fabric so sensitive to vibrations that it can detect impacts from microscopic high-velocity space particles. A terrestrial application of these fabrics could be for blast detection and in the future, to act as sensitive microphones for directional gunshot detection.
Sensing Magnetic FieldsTBMG-3851102/01/2021
Innovators at NASA Armstrong developed an optical waveguide fiber Bragg grating (FBG) that is sensitive to an external magnetic field. The technology allows direct coupling of the external field to the electromagnetic (EM) wave propagating in the fiber, bypassing the need to first measure strain.
AS6021 Aerospace Fiber Optic Cable Assembly Drawing SpecificationAS6021A (Current)12/29/2020
This SAE Aerospace Standard (AS) defines the items that shall be considered when creating a fiber optic cable assembly specification and source control drawing intended for installation on aerospace platforms.
AS-3 Fiber Optics and Applied Photonics Committee
Connectors, Fiber Optic, Advanced, Circular, Modular or Rectangular, Plug and Receptacle, Harsh Environment, Removable Termini, General Specification forAS8050 (Current)12/29/2020
The AS8050 master document contains general information for qualification of aerospace fiber optic, circular, modular, and rectangular connectors as part of a fiber optic interconnect assembly comprising of a connector, fiber optic cable, and fiber optic terminus. The product specifications (slash sheets) contain dimensional, mechanical, and operating performance requirements for aerospace fiber optic, circular, and rectangular connectors. The product specifications (slash sheets) reference associated aerospace fiber optic termini and cables suitable for use with AS8050 connectors.
AS-3 Fiber Optics and Applied Photonics Committee
AS6021 Aerospace Fiber Optic Cable Assembly Drawing SpecificationAS6021A-TEST-REC (Historical)12/29/2020
This SAE Aerospace Standard (AS) defines the items that shall be considered when creating a fiber optic cable assembly specification and source control drawing intended for installation on aerospace platforms.
AS-3 Fiber Optics and Applied Photonics Committee
Connectors, Fiber Optic, Advanced, Circular, Modular or Rectangular, Plug and Receptacle, Harsh Environment, Removable Termini, General Specification forAS8050-TEST-REC (Historical)12/29/2020
The AS8050 master document contains general information for qualification of aerospace fiber optic, circular, modular, and rectangular connectors as part of a fiber optic interconnect assembly comprising of a connector, fiber optic cable, and fiber optic terminus. The product specifications (slash sheets) contain dimensional, mechanical, and operating performance requirements for aerospace fiber optic, circular, and rectangular connectors. The product specifications (slash sheets) reference associated aerospace fiber optic termini and cables suitable for use with AS8050 connectors.
AS-3 Fiber Optics and Applied Photonics Committee
Network End-to-End Data Link Evaluation System Transceiver Health MonitoringAIR6552/3 (Current)12/22/2020
This document establishes methods to obtain, store, and access data about the health of a fiber optic network using commercial sensors located in or near the transceiver. This document is intended for: Managers, Engineers, Contracting Officers, Third Party Maintenance Agencies, and Quality Assurance.
AS-3 Fiber Optics and Applied Photonics Committee
Cascaded Offset Optical ModulatorTBMG-3817412/01/2020
A unique challenge in the development of a deep space optical software-defined radio (SDR) transmitter is the optimization of the extinction ratio (ER). For a Mars to Earth optical link, an ER of greater than 33 dB may be necessary. A high ER, however, can be difficult to achieve at the low Pulse Position Modulation (PPM) orders and narrow slot widths required for high data rates.
Tethered Drones Improve Cellular and Internet NetworksTBMG-3818812/01/2020
The use of tethered unmanned aerial vehicles (TUAVs) has been modeled as a powerful new tool for improving cellular phone and Internet networks. When employed as flying base stations with a cable connection, multirotor drones could quickly ramp up coverage, increase the efficiency of urban networks, and provide much needed access in remote rural areas.
Vote for Medical Design Briefs Product of the Year 2020TBMG-3829012/01/2020
Each month, the editors of Medical Design Briefs choose a Product of the Month that has exceptional technical merit and practical value for MDB’s design engineering readers.
Q&A: A New Method for 3D Printing of Tiny Gel StructuresTBMG-3819112/01/2020
Dr. Andrei Kolmakov and a team of researchers at the National Institute of Standards and Technology (NIST) have developed a method for 3D printing of tiny gel structures in liquids with electron beams — a method that has previously been limited to solids.
New Products and Services: December 2020 Aerospace Manufacturing & MachiningTBMG-3822312/01/2020
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