a thoughtful web.
Good ideas and conversation. No ads, no tracking.   Login or Take a Tour!
comment by kleinbl00
kleinbl00  ·  3347 days ago  ·  link  ·    ·  parent  ·  post: Self-sweeping laser could dramatically shrink 3D mapping systems

Basically, they've tuned the grid, the pumping frequency and the wavelength of the laser cavity so that it goes into harmonic oscillation. By doing this, they can alter the wavelength of the light that comes out the other side of the grating. It's pretty clever.





thundara  ·  3347 days ago  ·  link  ·  

Hmm, somewhat on par with my 10 minutes of not-so-thorough research... I guess I was confused as to why it was called "regenerative oscillation" and not the high-school-ese of "harmonic oscillation" and / or "constructive amplification"...