Orbital Angular Momentum of Light(en.wikipedia.org)
22 points by peter_d_sherman | 4 comments
Wikipedia article on the orbital angular momentum of light, a property of light beams associated with their helical wavefront structure.
#photonics on Hacker News
3 stories tagged photonics, newest first.
NIST scientists create 'any wavelength' lasers(nist.gov)
402 points by rbanffy | 185 comments
NIST news release describing a method of stacking materials on silicon wafers to build photonic chips with lasers that can produce nearly any wavelength.
Power over fiber(chaos.social)
360 points by rwmj | 251 comments
A Mastodon post noting that power-over-fiber components can deliver 3V 180mA from 1.5W of 800nm infrared light sent over standard multimode optical fiber.