Latest Stories

5 Ws
Green Design & Manufacturing

5 Ws of Unmanned Lasers for Methane Detection

As concerns rise about methane, a CU startup is working toward plugging the leaks.

Briefs
Manufacturing & Prototyping

Laser Processing Method for Optoelectronic Devices

This method increases the efficiency of light-emitting diodes and other optical elements.

R&D
Medical

Deep UV Lasers for Device Sterilization

Engineers have created a deep-ultraviolet (UV) laser using semiconductor materials that show great promise for improving the use of UV light for sterilizing medical tools, among other applications....

Briefs
Photonics/Optics

Compact Laser Source Detects Pollution

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

High-Power Terahertz Laser for Sensing and Imaging

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
Manufacturing & Prototyping

A Laser-Based Volumetric Additive Manufacturing Method to 3D Print Glass

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
Robotics, Automation & Control

Next-Generation High-Performance Lasers

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...

Articles
Imaging

Removing Aircraft Paint Using Laser-Equipped Robots

Hexavalent chromium is not a term frequently associated with engineers. Residents of Hinkley, California, however, know all about it. So do workers tasked with the labor-intensive...

Briefs
Electronics & Computers

Nanocomposite Material Protects Against Intense Light

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

New Family of Glass for Lens Applications

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
Wearables

Graphene Made with Lasers for Wearable Health Devices

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

R&D
Photonics/Optics

New Thermofluidic Improves Lab-On-a-Chip Applications

Researchers have succeeded in moving tiny amounts of liquid at will by remotely heating water over a metal film with a laser.

Articles
Photonics/Optics

A Primer on Solid-State Lasers

See how solid-state lasers have grown and diversified over the years.

Briefs
Photonics/Optics

Using Magnets to Toggle Nanolasers Leads to Better Photonics

A new control mechanism may prove useful in devices that make use of optical signals.

Q&A
Electronics & Computers

How to Measure High Voltage with No Physical Contact

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.

Briefs
Lighting

Nanoscale LED Also Functions as a Laser

This new design overcomes a long-standing LED efficiency problem and can also transform it into a laser.

Application Briefs
Imaging

Hybrid Thermal and Red Dot Sight

The advanced MIL-STD Mepro TIGON sight has arrived.

Articles
Photonics/Optics

SPIE Photonics West 2022 Preview

The main Photonics West exhibition opens on Tuesday, January 25.

Briefs
RF & Microwave Electronics

Getting NASA Data to the Ground With Lasers

The Laser Communications Relay Demonstration (LCRD) will usher in a new era of laser communications.

Briefs
Manufacturing & Prototyping

Smart Laser Cutter System Detects Different Materials

SensiCut, a smart material-sensing platform for laser cutters, can differentiate among 30 materials commonly found in makerspaces.

Articles
Manufacturing & Prototyping

Low Distortion Titanium in Laser Powder Bed Fusion Systems

As the acceptance and application of additive manufacturing technology continues to evolve and grow, alloy selection will prove to be an important part of the development process.

Articles
Energy

Silicon Carbide Optics for High-Energy Applications

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

R&D
Imaging

Next-Generation Camera Better Locates Tumors

The system both pinpoints the exact location of a tumor and measures its depth.

Briefs
Robotics, Automation & Control

Laser Jolts Microscopic Electronic Robots into Motion

Incorporating semiconductor components, microscopic robots are made to walk with standard electronic signals.

Briefs
Electronics & Computers

Nanoscale Machines Convert Light into Work

The optically powered machines self-assemble and could be used for nanoscale manipulation of tiny cargo.

Briefs
Photonics/Optics

Making Measurements with a Fine-Toothed Comb

The comb detects even the smallest amounts of greenhouse gases in the air or look for disease in human breath.

Briefs
Test & Measurement

Graphene-Based Photonics Devices for Remote Sensing

Growing large-area graphene on optical substrates enables use in photonics devices.

Features
Photonics/Optics

Achieving High Marks for Medical Device Makers: Ultrashort Pulse Lasers

Unique device identifiers, or UDIs, enable better reporting, reviewing, and analyzing of adverse events.

Application Briefs
Photonics/Optics

The Hidden Effects of Optical Coating Stress

For applications requiring high-energy material deposition coatings, you'll need to understand how stress can impact surface figure and system performance.