[time-nuts] ?==?utf-8?q? a newbie question: where can I purchase 794.7 nm VCSEL for building CPT rubidium clock?

[Attila Kinali]

On Mon, 11 Jun 2018 06:53:49 +0200
Magnus Danielson <magnus at rubidium.dyndns.org> wrote:

> One might then ask what the availability and pricetag is for nonlinear
> chrystal needed for frequency doubling.

It cannot be too much, given the fact that these are used in
green laser pointers.

Though, I have to say I am astonished how expensive those VCSEL are.
I would have guessed they are below $100/pcs, given that "normal"
laser diodes are usually in the order of $10-$20.


			Attila Kinali
-- 
It is upon moral qualities that a society is ultimately founded. All 
the prosperity and technological sophistication in the world is of no 
use without that foundation.
                 -- Miss Matheson, The Diamond Age, Neil Stephenson