On Sun, 18 Jan 2015 22:59:57 +0000 Mark Sims <hol...@hotmail.com> wrote:
> http://www.princeton.edu/main/news/archive/S42/13/37M75/index.xml > Not much detail there... but there is an article in Science. This maser is basically a variation of the quantum cascade laser, using tunable quantum dots instead of hetero structures to define the electron levels (think "particle in a box" where the box can be electrically tuned). >From the text it seems like that this is only a first demonstrator, that the technology works. They drove the maser externally and measured its response to it. They got an output frequency of 7880MHz and a line width of 34kHz. 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 _______________________________________________ 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.
