Photonics/​Optics

Photonics

Find the latest news and technical briefs on next-generation photonics technologies. Learn more about applications like biophotonics, silicon photonics, and green photonics.

Latest Briefs & News

Almost all satellites are powered by solar cells – but solar cells are heavy. While conventional high-performance cells reach up to three watts of electricity per gram,...

Flat-panel technology could transform antennas, wireless, and cellphone communications.
This system encodes information in twisting beams of light.
Self-powering, color-changing humidity sensors are applicable to various fields including smart windows, health care, and safety management.
Briefs: Test & Measurement
Acoustic Monitoring of Laser Welds
Empa researchers were able to demonstrate real-time acoustic monitoring of laser weld seams.
Application Briefs: Mechanical & Fluid Systems
USB and GigE Connectivity for Modern Machine Vision
Learn the USB3 and GigE vision standards, how they keep pace with imaging technologies, and how augmenting the cabling is critical for optimal performance.
A new type of motion capture technology accurately tracks an athlete during the push start phase of performance.
Researchers tackled the problem using a geophysical measurement called seismic anisotropy.
One unexpected application for spider silk is its use in the creation of biocompatible lenses.
University of Colorado researchers have described a new silicon chip that improves the resolution and scanning speed needed for a lidar system.
Learn how to obtain large signals from hyperspectral imagers.
The COVID crisis is propelling the camera industry toward disruptive transformation.
Application Briefs: Semiconductors & ICs
Measuring Surface Roughness with an Atomic Force Microscope

Thin films and engineered surfaces are used in a myriad of applications including semiconductor electronics, data storage, and precision optics. In many cases, surface roughness and...

High-temp infrared emitter, single-frequency SWIR lasers, hazard testing systems, and more.
Real-time terahertz imaging with a single-pixel detector.
White Papers: Materials
Design-for-Assembly Fundamentals To Get PCBs Back Faster

If your PCB cannot be fabricated and assembled, any other design decisions simply do not matter. Additionally, just because your board can be fabricated, does not necessarily mean it...

White Papers: Imaging
Single-molecule Localisation Microscopy (Smlm): How to Overcome the Abbe Diffraction Limit?

The Abbe diffraction barrier, which fundamentally restricted the lateral optical resolution to 200 – 300 nm until the early 1990s, can be overcome...

Researchers have developed a new way to build power efficient and programmable integrated switching units on a silicon photonics chip. The new technology is...

Briefs: Electronics & Computers
Wearable Strain Sensor Using Light Transmittance
This technology shows potential for the detection of subtle human motions and the real-time monitoring of body postures for healthcare applications.
An ultrafast image sensor with a built-in neural network can be trained to recognize certain objects.
The method determines whether circuits are accurately executing complex operations that classical computers can’t tackle.
Briefs: Imaging
Ultrafast Camera Captures Transparent Objects and Phenomena
The camera can take up to 1 trillion pictures per second of transparent objects, shockwaves, and other phenomena.
White Papers: Defense
Understanding Key Real-Time Spectrum Analyzer Specifications

Spectrum analyzers are the fundamental instrument used by RF engineers to measure individual signals across a defined frequency band. They capture and display wanted and unwanted...

Just as a meter stick with hundreds of tick marks can be used to measure distances with great precision, a device known as a laser frequency comb, with its...

Ultraviolet-Enhanced Circular Photodetector

Opto Diode Corporation (Camarillo, CA) has introduced the UVG5S, an ultraviolet-enhanced photodiode with a 5 mm² circular active area....

Carolin Frueh is among only a handful of researchers who have persisted in using a complex technique that can diagnose a problem from thousands of miles away based on how a...

A new way of making large sheets of high-quality, atomically thin graphene could lead to ultra-lightweight, flexible solar cells, and to new classes of...

White Papers: Electronics & Computers
Board-Level Cameras: The Benefits of a Smaller Design

When too much tech can weigh down a UAV, you need lighter parts. See the kinds of compact board-level cameras being used to support aerial imaging, handheld vision systems, and more.

A reader asks our NASA expert: "What kind of redundancy is built into the Mars 2020 rover?"

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