Keyword: Fiber optics

Articles: Sensors/Data Acquisition
A key building block of microwave photonics is optical frequency combs, which provide hundreds of equidistant and mutually coherent laser lines.
Articles: Test & Measurement
Learn how to protect critical conductors, dielectric, and optical fibers from deforming, cracking, or unraveling
Articles: Electronics & Computers

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...

Articles: Photonics/Optics

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: Communications

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

Articles: Sensors/Data Acquisition

Seastema SpA, a company owned by Fincantieri (Genova, Italy), designs, develops, and supplies integrated automation systems for different areas of the marine industry. The company established an Innovation...

Articles: Communications

Unmanned vehicles for air, land, and water represent an increasingly-important capability for virtually all military services worldwide. Because each new generation of device technology promises...

Articles: Photonics/Optics

Transmitting and receiving radio signals between spacecraft in deep space is a snap compared with getting those signals back to Earth, especially when the spacecraft is 120 billion miles away.

Articles: Photonics/Optics

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: Aerospace

The purpose of this project was to develop a transfer printing process for the massively parallel integration of III-V lasers on silicon photonic integrated circuits....

Articles: Aerospace

There are those who think all cables are created equal. Well, they're not.

Articles: RF & Microwave Electronics

Challenging Einstein’s seminal theory of relativity to the limits, how the very first stars and galaxies formed just after the Big Bang, the study of dark energy and the...

Articles: Unmanned Systems

Unmanned Vehicle Systems (UVS) are reaching new levels of functionality and performance, and it’s not just for air vehicles either. Ground and underwater UVS programs are all taking...

Articles: Defense

The days of proprietary embedded computing systems in military systems are numbered. Proprietary systems, with the attendant vendor lock-in, tend to be platform specific, increasing the development and...

Briefs: Defense

The efficiency and methodology of coupling light into microcavities has improved exponentially in the last decade. One such advancement is coupling light onto silicon microspheres. The material, size, and...

Articles: Photonics/Optics

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...

Briefs: Physical Sciences

Using the current method of characterizing waveguides manufactured for research in optical communications, it can take up to 8 hours to characterize the...

Articles: Data Acquisition

The proliferation of unmanned military vehicles tasked with critical communications and radar requirements drives the need for powerful data acquisition and signal processing...

Articles: Defense

Fixed and tactical information networking, especially for defense applications, has begun to require increasing data transmission capacity as the...

Articles: Photonics/Optics

The Beam Irradiance on Target System (BITS) is a high energy laser (HEL) sensor array that directly measures the beam irradiance profile of HEL weapons. The BITS is a sensor array composed of 105...

Briefs: Physical Sciences

To address the need to protect our borders and critical infrastructure, fiber optic sensing technology developed for antisubmarine warfare applications has been adapted to homeland...

Briefs: Photonics/Optics

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

Articles: Test & Measurement

Autonomous vehicles require gyroscopes for navigation and stabilization of the platform in demanding battlefield, aerospace and undersea environments. Autonomous vehicles...

Briefs: Photonics/Optics
Novel Wavelength Standards in the Near Infrared

The goal of this work was to develop a new class of portable optical frequency references based on sub-Doppler spectroscopy inside gas-filled, hollow-core photonic bandgap (PBG) optical fiber. The change in line width with core size, and narrower transitions inside a new “kagome” structured...

Briefs: Photonics/Optics

Externally coupled electroabsorption modulators (EAMs) are commonly used in order to transmit RF signals on optical fibers. Recently, an alternative...

Briefs: Physical Sciences

A recently invented acceleration strain transducer is based on the principle of a conventional spring-and-mass acceleration transducer combined with a linear strain sensor that...

Briefs: Photonics/Optics

A multidisciplinary research project entitled “Affordable High-Energy Lasers” has made numerous contributions to the development of several types of advanced laser modules, including...

Briefs: Photonics/Optics

A prototype hybrid micro-electro- mechanically tunable optical filter (MEM-TF) based partly on an electrostatic-actuation principle has been built and tested as an essential component...

Briefs: Photonics/Optics

Near-field light lenses for focusing beams of light and beams of atoms to spots having a width of no more than several nanometers are undergoing development. There are numerous...

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