Photonics/​Optics

Access our comprehensive library of technical briefs on photonics and optics, from engineering experts at NASA and major government, university, and commercial laboratories.

35
-1
540
30
Briefs: Electronics & Computers
Colloids — insoluble particles or molecules anywhere from a billionth to a millionth of a meter across — are so small they can stay suspended indefinitely in a liquid or even in air. Robots about...
Feature Image
Briefs: Medical
Fabricated using inexpensive and widely available organic pigments used in printing inks and cosmetics, an artificial retina was developed that consists of tiny pixels like a digital camera sensor on a...
Feature Image
Briefs: Imaging
Traditional cameras — even those on the thinnest cellphones — cannot be truly flat due to their optics. The lenses require a certain shape and size in order to function. A new camera design...
Feature Image
Briefs: Electronics & Computers
One current method to build a semiconductor superlattice — materials comprised of alternating layers of ultra-thin, two-dimensional sheets only one or a few...
Feature Image
Briefs: Communications
MIT researchers have designed an optical filter on a chip that can process optical signals from across an extremely wide spectrum of light at once, something never before...
Feature Image
Briefs: Aerospace
An advanced, highly compact thermal camera that traces its heritage to one now flying on NASA's Landsat 8 has been mounted in a corner of NASA's next...
Feature Image
INSIDER: Medical
An MIT-developed technology monitors blood glucose levels without needles or a finger prick. Early results show that the noninvasive technology measures blood glucose levels as...
Feature Image
Briefs: Materials
Researchers have developed a method to simultaneously control diverse optical properties of dielectric waveguides by using a two-layer coating, each layer with a...
Feature Image
Briefs: Manufacturing & Prototyping
Researchers have 3D-printed an array of light receptors on a hemispherical surface. This discovery could lead to a “bionic eye” that could someday help blind people see or sighted...
Feature Image
Briefs: Materials
A technique that enables on-demand control of composite behavior could enable a variety of new capabilities for future rotorcraft design, performance, and maintenance. The focus of the research was on...
Feature Image
Briefs: Test & Measurement
Power Line Detection System for Unmanned Aircraft Systems
Electrical power lines pose a serious crash hazard to helicopters and other air-based vehicles, especially small aerial vehicles such as unmanned aircraft systems (UAS). This is because power lines are so widespread, hard to see, and strung at roughly the same height above the ground at...
Briefs: Test & Measurement
Configuration Enables RFID Tags to Work as Sensors
The detection and localization of gas releases, such as methane from leaking natural gas pipelines or nitrogen oxides from failing electrical equipment, require high sensitivity to the target gas and insensitivity to non-target gases. Infrared (IR) absorption spectroscopy gives highly specific...
Briefs: Photonics/Optics
NASA's Marshall Space Flight Center is offering opportunities for its new fiber optic mass flow sensor system. Capable of measuring multi-phase flows in a pipe, the technology is minimally invasive,...
Feature Image
Briefs: Semiconductors & ICs
When hit with light, semiconductors (materials that have an electrical resistance in between that of metals and insulators) generate an electric current....
Feature Image
Briefs: Photonics/Optics
Photons, or units of light, are faster than electrons and could, therefore, process information faster from smaller chip structures. A switch was designed that bypasses a...
Feature Image
Briefs: Materials
Optical fibers have been traditionally produced by making a cylindrical object called a preform — essentially, a scaled-up model of the fiber — and then heating it. Softened material...
Feature Image
Briefs: Electronics & Computers
Computer processors have continued to shrink down to nanometer sizes where there can be billions of transistors on a single chip. This phenomenon is described under Moore's Law, which...
Feature Image
Briefs: Manufacturing & Prototyping
A thin material was developed that can control the redirection and reflection of sound waves with almost perfect efficiency. While many theoretical approaches to...
Feature Image
Briefs: Aerospace
The objective of this effort was to design, fabricate, integrate, and fly a nuclear thermal rocket without having to build massive ground test facilities. Furthermore, this nuclear rocket would...
Feature Image
Briefs: Sensors/Data Acquisition
Faster Photons Could Make Data Totally Secure
Transferring data using light passed along fiber optic cables has become increasingly common over the past decades, but each pulse currently contains millions of photons. That means that in principle, a portion of these could be intercepted without detection. Secure data is already encrypted, but if an...
Briefs: Semiconductors & ICs
The challenge of miniaturizing devices and systems is also achieving a broader dynamic range of detection for small signals such as sound, vibration, and radio waves.
Feature Image
Briefs: Sensors/Data Acquisition
Antiferromagnetic-Based Memory Processes Data at Terahertz Speeds
Data travels down fiber-optic cables at frequencies of several terahertz. As soon as the data arrives on a PC or television, this speed must be throttled down to match the data processing speed of the device components; this speed currently is in the range of a few hundred gigahertz...
Briefs: Semiconductors & ICs
Extremely fine porous structures with tiny holes — resembling a kind of sponge at the nano level — can be generated in semiconductors. A method was developed for the controlled manufacture of...
Feature Image
Briefs: Sensors/Data Acquisition
Infrared spectroscopy is the benchmark method for detecting and analyzing organic compounds. However, that requires complicated procedures and large, expensive instruments, making...
Feature Image
Briefs: Medical
Researchers at the UCLA Samueli School of Engineering have demonstrated that deep learning, a powerful form of artificial intelligence, can discern and enhance...
Feature Image
Briefs: Test & Measurement
A next-generation X-ray beamline now operating at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) brings together a unique set of capabilities to measure the...
Feature Image
Briefs: Imaging
Optoelectronic engineers in China and Hong Kong have manufactured a special type of liquid crystal display (LCD) that is paper-thin, flexible, light, and tough. With this, a daily newspaper...
Feature Image
Briefs: Electronics & Computers
Researchers have developed an inkjet printing technique that can be used to print optical components such as waveguides. Because the printing approach can also fabricate...
Feature Image
Briefs: Imaging
Today's glass-based lenses are bulky and resist miniaturization. To address the problem, two different imaging methods — a type of lens designed for nanoscale interaction with lightwaves, and robust...
Feature Image

Videos