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.

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...

White Papers: Sensors/Data Acquisition
Distributed Sensing Beyond Rayleigh Scattering Limits in Single and Multicore Fiber Waveguides

Optical fibers with enhanced scattering properties can provide distributed reflection signals beyond the limits set by Rayleigh scattering in...

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

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: Aerospace
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: Photonics/Optics
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?"
A research team has built a super-high-speed microscope.
A new low-cost imaging system could make it easier to track mosquito species that carry disease, enabling a more timely and targeted response.
Application Briefs: Photonics/Optics
Extended Dynamic Range Camera Imaging
New surveillance sensors are able to perform better than ever under unpredictable and dynamic lighting conditions.
Technology Leaders: Photonics/Optics
High Quality Optical Surfaces
Make sure the polished optic meets the requirement of a particular application.
Articles: Photonics/Optics
Optical In-Line VCSEL Testing
In-line testing of certain LEDs, using nanosecond pulses, will become more and more relevant with time-of-flight applications.
Technology Leaders: Aerospace
ZERODUR: The Highly Technical Glass-Ceramic
Highly technical glass-ceramic delivers optical precision at nanometer scale.
High-speed cameras, ultra-stable mounts, automated inspection systems, and more...
A new iteration of sCMOS camera technology promises even higher sensitivity than prior designs.
Using integrated photonic chips fabricated at EPFL, scientists have demonstrated laser-based microwave generators.
A new CT scan method using intense synchrotron radiation produces higher quality images within milliseconds.
Application Briefs: Photonics/Optics
Beyond LPW: Debunking the Myth that More is Better
There’s been a race to the top among industrial LED lighting manufacturers as they scramble to squeeze the maximum possible lumens per watt (LPW) out of their products.
Researchers at Linköping University, together with colleagues in China, have developed a tiny unit that is both an optical transmitter and a receiver.
Briefs: Electronics & Computers
Quantum Computing at Room Temperature
Quantum computer circuits that will no longer need extremely cold temperatures to function could become a reality.
The process provides a cost-effective solution for applications in space-based imaging systems, military reconnaissance, and satellite and unmanned aerial vehicles (UAVs).
This system can amplify a faint signal from a neighboring system even when that signal’s amplitude is as small as ten trillionths of a meter.

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