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Briefs
Test & Measurement

Multimode Optical Fiber Sensing

Although a vast majority of fiber optic strain sensors use single mode fiber, multimode fiber has a higher nonlinear threshold that enables higher light levels and lower noise.

Articles
Photonics/Optics

Facing 5G New Radio (NR) Test Challenges

The use of CA, MIMO, and beamforming technologies will lead to more antennas and radio ports that need to be tested.

News
AR/AI

Speeding AV Testing with a Digital Twin

A European company has developed time-saving simulation software for users of the University of Michigan’s Mcity CAV (connected and autonomous vehicle) testing facility in Ann Arbor. It has...

Articles
Photonics/Optics

Ruggedizing Coaxial and Fiber Optic Cable Assemblies from Mechanical Strain

Learn how to protect critical conductors, dielectric, and optical fibers from deforming, cracking, or unraveling

INSIDER
Photonics/Optics

Experiments Differentiate Between Underground Nuclear Tests and Earthquakes

Sandia National Laboratories researchers, as part of a group of National Nuclear Security Administration scientists, have wrapped up years of field experiments...

Articles
Test & Measurement

Understanding Fiber Optic Transceiver Design and Test Rules

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...

Briefs
Photonics/Optics

Ultrafast Optics: Vector Cavity Lasers — Physics and Technology

Fiber lasers have found widespread applications in industrial material processing, scientific research and military systems due to their advantages of easy maintenance,...

Products
Test & Measurement

New Products

Temperature Elements for Flight-Critical Equipment

FCI Aerospace’s (San Marcos, CA) AS-TE Temperature Element Series sensors utilize precision resistance temperature detectors (RTDs) to provide superior accuracy,...

Articles
Communications

How Miniaturized Distributed Modular Architecture Advances Avionics Design

A centralized IMA approach offers several advantages.

Blog
Photonics/Optics

LASER World of PHOTONICS, Day 2: Bigger is Better

Many vendors at this year's event made their presence known with mega-sized booths.

Blog
Sensors/Data Acquisition

LASER World of PHOTONICS 2019

The bi-annual Laser World of Photonics exhibition begins today.

News
Photonics/Optics

The Rodney Dangerfield of Automated-Driving Sensors?

The emerging era of highly-automated driving comes courtesy of much-vaunted sensor technology—spinning lasers, penetrating radar and sonar blips. But the sensor that gets the least...

Articles
Test & Measurement

Combating Infrared Threats on the Battlefield

There have been several news headlines lately about offenders pointing commercial lasers at helicopters or police personnel, temporarily blinding and distracting them. An increasing number of...

Articles
Photonics/Optics

Optical Interconnect Design Challenges in Space

More and more aerospace applications are incorporating fiber optics technology into their designs due to its many advantages over copper. The thinner fiber solutions provide higher speed over a...

Articles
Photonics/Optics

Laser-Based System Could Expand Space-to-Ground Communication

A new research project announced recently as a collaboration between the Georgia Institute of Technology and satellite communications provider Xenesis could help open the...

Briefs
Photonics/Optics

Designing for Compressive Sensing: Compressive Art, Camouflage, Fonts, and Quick Response Codes

Compressive sensing (CS) is a relatively new field that has caused a lot of excitement in the signal processing community. It has superseded...

Articles
Aerospace

Identifying and Isolating Signals Using Radio Frequency Photonics

A single antenna can be used for both transmission and reception. To accomplish this, the transmission must be isolated from the reception. In Figure 1, a radio frequency...

Briefs
Photonics/Optics

Stimulated Brillouin Scattering (SBS) Suppression and Long Delivery Fibers at the Multikilowatt Level with Chirped Seed Lasers

One obstacle in the scaling of high-power fiber lasers arises because of nonlinear effects (e.g., stimulated...

INSIDER
Sensors/Data Acquisition

Tests Show How Plastic Parts Deform During Flight

Scientists have conducted flights using a measurement configuration based on fiber optics to accurately verify the degree to which carbon fiber reinforced plastic (CFRP) parts deform...

Articles
RF & Microwave Electronics

RF Photonics for Avionics Signal Processing

The maturity of RF photonic components has reached the point where fiber optic links are being system-tested to replace traditional copper coax links on avionic platforms. Many demonstrations of RF...

INSIDER
Software

Air And Missile Defense System To Get Smarter Software

When a missile is launched against an enemy target, it would be nice to have a lot of good information about that target. But when "decision makers push the fire button, they may have...

Briefs
Photonics/Optics

Rare-Earth-Doped Soft Glass Optical Fibers for Coherent Wavelength Sources Above 2 Microns

Rare-earth-doped soft glass optical fibers were developed and characterized for fiber lasers emitting at wavelengths longer than 2 microns to allow...

Briefs
Photonics/Optics

Terahertz Fiber-Optic Lasers for Detection of Explosives

Fiber-optic lasers of a proposed type would serve as sources of coherent radiation at frequencies between 0.5 and 4.0 THz and output power levels ≥100 mW. In the original application...