Keyword: Optics

NASA Spinoff: Photonics/Optics
Eye surgery patients on Earth are benefiting from early research on the NASA’s James Webb Telescope’s enormous mirrors.
5 Ws: Green Design & Manufacturing
As concerns rise about methane, a CU startup is working toward plugging the leaks.
Briefs: Lighting
This method increases the efficiency of light-emitting diodes and other optical elements.
Briefs: Imaging
The millimeter-sized flat lens can be used in wearable displays for virtual reality, which requires compact, lightweight, and cost-effective components.
Articles: Photonics/Optics

With AR eyeglasses, the screen of a mobile device can be transitioned to the lens of a pair of eyeglasses. The problem with that is that even though the technology has been around for a while, the...

Briefs: Aerospace
Diffraction Suppressed Mirror

Precise optical systems, especially those sensitive to information loss, are typically designed to minimize the use of mirrors. This is due to the Airy disk effect inherent to all conventional mirrors, which is a result of diffraction of the incident light. This effect represents information loss between the...

Briefs: Sensors/Data Acquisition

Super temporal resolution microscopy allows imaging of fluorescent molecules 20 times faster than traditional lab cameras normally allow. A general method has been developed to let a...

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

Classical laser communication gimbals are coupled to 105um multimodal receiving fibers for the high-power transmission of data, fine pointing, and tracking. These fibers cannot be used in...

Briefs: Medical

A technique to grow 3D tissue constructs, similar to human bone, in a laboratory environment has been developed by bioengineers at NASA Johnson Space Center. Problems arise when...

Briefs: Imaging

Robotic vision has come a long way, reaching a level of sophistication with applications in complex and demanding tasks, such as autonomous driving and object...

Articles: Photonics/Optics

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Briefs: 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: Photonics/Optics

The importance of optical image quality and the trend toward thinner smart-phones have pushed manufacturers to increase the number of cameras in order to provide cellphones with better...

Briefs: Materials

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...

Briefs: Imaging

Researchers have developed a robot that uses radio waves, which can pass through walls, to sense occluded objects. The robot, called RF-Grasp, combines this powerful sensing with more traditional computer vision...

NASA Spinoff: Communications

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: Electronics & Computers

High-speed digital imaging expands the benefits of traditional machine vision (MV), transforming it from a process control tool into a diagnostic tool. Traditional MV systems use...

Briefs: Imaging

Researchers have developed tiny optical elements from metal nanoparticles and a polymer that could replace traditional refractive lenses to realize portable imaging systems...

Briefs: Photonics/Optics

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: Materials

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: RF & Microwave Electronics

Researchers have created a device that enables them to electronically steer and focus a beam of terahertz electromagnetic energy with extreme precision....

Q&A: Semiconductors & ICs

Professor Kenneth K. O. and his colleagues at The University of Texas at Dallas and Oklahoma State University have developed an innovative and affordable terahertz imager microchip that can enable...

Briefs: Wearables

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

Briefs: Nanotechnology

Consumers are looking for augmented reality/virtual reality (AR/VR) glasses that are compact and easy to wear, delivering high-quality imagery with socially acceptable optics...

Briefs: Photonics/Optics
3D nanometer-scale metamaterial structures hold promise for advanced optical isolators.
Briefs: Photonics/Optics
Optical Signals can be retrieved from inherent background noise using Talbot effect to amplify them.
Briefs: Manufacturing & Prototyping
3D micro-printing was used to develop this small, flexible scope for looking inside blood vessels.
Briefs: Photonics/Optics
With an imaging speed of 0.5 trillion frames per second, the camera is claimed to be the world's fastest.