Category Photonics

Curved image sensors for better resolution, and wide field of view cameras for cell phones to Miniature UAVs

curvedsensor

Smartphone camera technology is growing in leaps and bounds in the past couple of years and continues to be a major point to differentiate their products.  More and more technologies are being incorporated including  larger sensors, better lenses, ultra-thin lens,…...

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Development of Next generation Infrared Focal Plane Arrays improving Military’s Night Fighting Capability

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Night vision devices are becoming essential equipment for night driving, night flying and night surveillance, wildlife observation and search and rescue missions. Night Vision has become essential capability for ground forces in modern warfare as well as for counter terrorist…...

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Sound offers new directions in optical processing and integrated photonics

lightotsound

Brillouin scattering is an effect caused by the χ(3) nonlinearity of a medium, specifically by that part of the nonlinearity which is related to acoustic phonons. An incident photon can be converted into a scattered photon of slightly lower energy,…...

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Columbia Engineers Revolutionize Augmented Reality (AR) Glasses through novel engineered optical materials (EnMats)

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Imagine driving along the highway with directions and other pertinent information (think gas stations) appearing “on” your glasses so you ,don’t have to look away from the road. Or building a complicated DIY project with step-by-step instructions appearing “on” your…...

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Researchers developing efficient Vision Aided Navigation for UAV in GPS-Denied environments like building, underground or under the forest canopy

Diagram of vision aided relative navigation system also denoted as INS vision navigation

UAV navigation can be seen as a process that robots make a plan on how to safely and quickly reach the target location, which mostly relies on current environment and location. In order to successfully complete the scheduled mission, a…...

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DARPA A-PhI to use photonic integrated circuits (PICs) for developing compact atomic clocks and gyroscopes in GPS denied environments

DARPAA Phi

U.S. military researchers are asking industry to develop relatively simple portable photonic integrated circuits (PICs) for high-performance position, navigation, and timing (PNT) devices as an alternative to the Global Positioning System (GPS) for when GPS signals are not available.  …...

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Graphene photonics for next generation optical communications, high speed Internet, Nanosatellites and ultrasensitive night vision for military

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Cloud computing allows application software and services to be delivered from large server farms in data centers over the Internet.  As more and more people use Cloud services, more and more data are created that need to be stored, transmitted…...

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Quantum sensors for Missile defence, Space security and secure imaging

quantumlidar

In recent years there has been a major scientific thrust to harness quantum phenomena to increase the performance of a wide variety of classical devices ranging from computation to sensing, and considerable progress has occurred in the analysis and design…...

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Military employing LIDAR in Driverless vehicles, Battlefield Visualization, Mine Hunting, Imaging through forests

militarylidar

Lidars (Light Detection and Ranging) are similar to radars in that they operate by sending light pulses to the targets and calculate distances by measuring the received time.  The  key advantages of  LIDAR is  its superior accuracy and its ability…...

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Airborne or Spaceborne Synthetic aperture ladar (SAL) for centimeter-class resolution battlefield awareness

SAL

Conventional optical imagers are limited in spatial resolution by the diffraction limit of the telescope aperture, as well as by the practical difficulties in increasing the telescope aperture. Synthetic aperture (SA) techniques can increase resolution beyond the diffraction limit of…...

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