Keyword: Lasers

Briefs: Manufacturing & Prototyping
This method increases the efficiency of light-emitting diodes and other optical elements.
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...

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...

Briefs: Photonics/Optics

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...

NASA Spinoff: Photonics/Optics

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...

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...

Briefs: Photonics/Optics

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...

Briefs: Electronics & Computers

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

Articles: Photonics/Optics
See how solid-state lasers have grown and diversified over the years.
Q&A: Materials
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.
Application Briefs: Photonics/Optics
For applications requiring high-energy material deposition coatings, you'll need to understand how stress can impact surface figure and system performance.
Application Briefs: Photonics/Optics
What you need to know before you incorporate large diameter aspheres into your optical systems.
Articles: Materials
See what kinds of applications require high-precision laser glass with demanding dimensional tolerances and high-power laser coatings.
Application Briefs: Photonics/Optics

Optical coatings are critical for enhancing the transmission, reflection, polarization, and phase of light incident upon and passing through optical components. There are many different technologies used to...

Articles: Materials
What Does It Takes to Change the Game?

Industrial lasers are integrated into manufacturing and fabrication facilities around the world. Every moment, there is an industrial laser somewhere that is cutting, etching,...

Articles: Test & Measurement

Laser engineers are leveraging new materials, unusual gain mechanisms, and innovative cavity designs to push laser performance into new regimes. Pulse lengths are getting...

Briefs: Communications

NASA has developed a new technology for space optical communications, including communications from the Earth to spacecraft in Earth orbit and in deep space, such as at the Moon and Mars. The...

Briefs: Photonics/Optics
Partially Transparent Circular Mask to Suppress Narrowband Laser Light

The evolved Laser Interferometry Space Antenna (eLISA) is the implementation of the original Laser Interferometry Space Antenna (LISA) concept that will be proposed for the European Space Agency’s (ESA) L.3 Cosmic Visions opportunity. The eLISA observatory uses lasers to...

Articles: Manufacturing & Prototyping

To accomplish its missions, NASA relies on the support of hundreds of contractors and suppliers. Here's a look at some of the companies that contributed to the Mars Science Laboratory and the future...

Articles: Photonics/Optics

In the world of precision motion control there is a continuous pursuit of higher performance, whether it’s resolution, speed, stability, accuracy or step size. Even if a specified device appears...

Application Briefs: Photonics/Optics

Designers of medical equipment using lasers must be careful in their selection of optical components in order to ensure safe and reliable operation. The high power density and narrow wavelength range of...

Briefs: Information Technology

The spatial standard observer is a computational model that provides a measure of the visibility of a target in a uniform background image or of the visual discriminability of two images. Standard observers have...

Briefs: Electronics & Computers

"Free-Space Optical Communications Analysis Software" (FOCAS) is the name of a spreadsheet computer program for analysis of direct-detection (as distinguished from...

Briefs: Photonics/Optics

Laser Doppler velocimetry (LDV) systems have been used for a number of years in field and laboratory applications. The normal LDV system consists of a two-color, four-beam...