On Tue, 13 Jan 2015 19:37:05 +0100 Attila Kinali <att...@kinali.ch> wrote:
> If you use a standard laser diode, these have a linewidth of > around 20-100MHz. If you provide them the slightest feedback, > they go down to 1MHz easily (ie just by adding some window glass > infront of the laser, that reflects a tiny bit back). > Using a more sophisticated scheme with a grating and you get into > the range of 1-100kHz, which is pretty darn good, and enough for > vapor cells with their broad lines. Wieman wrote a couple of papers > on how to build such laser system [1-3]. Also worth a look are the two > papers by Libbrecht [4,5]. For those who need some theory for > calculation or as background [6] will be a good start. It also > contains a lot of usefull references. Oh.. i forgot to mention. The DIY holographcy community is full of people who build their own narrow linewidth, stabilized lasers. They have also quite a few, hands-on descriptions on how to build grating based external cavity diode lasers. Especially W's website[1] and blog[2]. Attila Kinali [1] http://redlum.xohp.pagesperso-orange.fr/argonlaser.html [2] https://hololaser.wordpress.com/ -- 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 _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.