In the case of lidar, the waves are in the form of an infra-red laser beam.
They have built an imaging system that uses an infra-red laser to penetrate areas of thick smoke and flames.
The element to be purified is first incorporated into a chemical that can be turned into a gas. (In this case, the exact compound is still proprietary information.) Then an infra-red laser is shone through the gas.
LaserMotive uses special cells made with arsenic and gallium, which are better able to capture the near-infra-red wavelengths of its laser beam.
Microvision's current pico projection engine uses red and blue laser diodes and a frequency-doubled "synthetic" green laser to create a full color image.
The team used a prototype to demonstrate the idea, hiding centimetre-scale objects illuminated with polarised green or red laser light.
Its boffins in Bangalore are working on projects ranging from a red laser to preserve food to a DNA nano-machine to deliver drugs to precisely the right spot in a patient's body.
Pink walked the red carpet in a metallic laser cut leather top and floor-length chiffon skirt.
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Moving directly against scan-and-scram, Best Buy began a relationship with Red Laser, the company behind the mobile app that best enables showrooming: the app now lets Best Buy offer coupons and one-click ordering on Bestbuy.com to customers already in the store.
By tuning the quantum cascade laser and measuring how much of the infra-red radiation is absorbed on its way to a detector, hazardous gases in between can be identified.
Yes, the front-mounted laser makes a triumphant return, shooting out a red line to help you quickly orient your camera.
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