Physicists in Harvard’s John A. Paulson School of Engineering and Applied Sciences (SEAS) have created a compact laser that emits extremely bright, short pulses of light in the “useful” mid-infrared ...

The transmitter is a set of lasers, one is visible red for aiming, and the other is infrared for measuring the vibration of a surface. Point the transmitter at the window of the room you want to ...

Published in Nature, the research is the first demonstration of an on-chip, picosecond, mid-infrared laser pulse generator that requires no external components to operate. The device can make what ...

Caterpillar is adding lidar to its heavy-duty construction ... The laser sensor, a key component in the suites used by most autonomous vehicles, employs near-infrared light to detect the shapes ...