Keyword: Lasers

Articles: Photonics/Optics
A longstanding partnership between Virginia Polytechnic Institute and State University (Virginia Tech) and Pratt & Whitney has resulted in a new laser-optical technology that aims to revolutionize in-flight thrust measurement.
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Application Briefs: Photonics/Optics
Given its effectiveness pretreating metal surfaces, industrial laser systems are increasingly being used in manufacturing facilities. The systems can be integrated into automated inline processing lines, or technicians can use mobile handheld units.
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Briefs: Photonics/Optics
Making Satellite, Ground Communication More Effective
Rensselaer Polytechnic Institute’s Moussa N’Gom has devised a method to make communications between satellites and the ground more effective — regardless of the weather.
Briefs: Manufacturing & Prototyping
A research team has made new discoveries that can expand additive manufacturing in industries that rely on strong metal parts, including aerospace.
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Briefs: Semiconductors & ICs
A team of researchers led by electrical engineer Marko Lončar at SEAS has developed a method for building a highly efficient integrated isolator that’s seamlessly incorporated into an optical chip made of lithium niobate.
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Briefs: Sensors/Data Acquisition
Research reveals that expertly timed lasers shined at an approaching LIDAR system can create a blind spot in front of the vehicle.
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Briefs: Photonics/Optics
This technology will pave the way for new applications of integrated semiconductor lasers in LiDAR.
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Application Briefs: Test & Measurement
DiaMonTech used the Ophir Pyrocam to measure and characterize all their laser developments.
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Briefs: Photonics/Optics
Compact, Temperature-Tuned OFDR Laser
NASA has focused on OFDR, an alternative FBG interrogation technique based on laser interferometry.
Briefs: RF & Microwave Electronics
The design produces a compact, efficient, long-lifetime laser transmitter as needed for use in space, while also having potential applications as an airborne or ground-based wind measurement tool.
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5 Ws: Photonics/Optics
As concerns rise about methane, a CU startup is working toward plugging the leaks.
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Briefs: Lighting Technology
This method increases the efficiency of light-emitting diodes and other optical elements.
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Briefs: Photonics/Optics

A middle infrared light source can detect greenhouse and other gases as well as molecules in a person’s breath. The compact system, which resembles a tiny suitcase, contains just two parts: a standard...

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Briefs: Photonics/Optics

A terahertz laser was developed with high constant power, tight beam pattern, and broad electric frequency tuning for a wide range of applications in chemical sensing and imaging. The...

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Briefs: Imaging

Traditional glassmaking techniques can be costly and slow, and 3D printing glass often results in rough textures, making them unsuitable for smooth lenses. Using a new...

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NASA Spinoff: Unmanned Systems

NASA’ Deep Space Network (DSN), a sort of GPS system for space, relies on atomic clocks for extreme accuracy. Any modern navigation system must accurately time radio signals to triangulate a...

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Briefs: Electronics & Computers

Optical limiting — a manner of telecom switching without the use of electronics — is an all-optical method that could improve the speed and capacity of Internet communications. A...

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Briefs: Transportation

A new composition of germanosili-cate glass created by adding zinc oxide has properties good for lens applications. The new family of zinc germanosilicate glass has a high refractive index comparable...

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Briefs: Wearables

Graphene — hexagonally arranged carbon atoms in a single layer with superior pliability and high conductivity — could impact the development of future motion detection, tactile...

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Articles: Photonics/Optics
See how solid-state lasers have grown and diversified over the years.
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Briefs: Photonics/Optics
A new control mechanism may prove useful in devices that make use of optical signals.
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Q&A: Test & Measurement
Dr. Israel Owens and his team at Sandia National Laboratories have used a crystal smaller than a dime and a laser smaller than a shoebox to safely measure 20 million volts without making physical contact to the electrode.
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Briefs: Photonics/Optics
This new design overcomes a long-standing LED efficiency problem and can also transform it into a laser.
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Articles: Semiconductors & ICs
The main Photonics West exhibition opens on Tuesday, January 25.
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Briefs: Photonics/Optics
The Laser Communications Relay Demonstration (LCRD) will usher in a new era of laser communications.
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Briefs: Materials
SensiCut, a smart material-sensing platform for laser cutters, can differentiate among 30 materials commonly found in makerspaces.
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Articles: Manufacturing & Prototyping
Silicon Carbide (SiC) optics are becoming more and more prevalent in high-energy laser (HEL) designs, and manufacturers must be aware of the potential risks
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Briefs: Mechanical & Fluid Systems
Incorporating semiconductor components, microscopic robots are made to walk with standard electronic signals.
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Briefs: Energy
The optically powered machines self-assemble and could be used for nanoscale manipulation of tiny cargo.
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