I knew about the use of the VCSEL, but I'd bet a good dinner that it's not a Rubidium laser! Last I heard, none of the elements in that corner of the periodic table were semiconductors, and it's hard to imagine a vapor-based VCSEL.
Dana On Sat, Apr 3, 2021 at 7:31 AM Lux, Jim <[email protected]> wrote: > On 4/3/21 4:22 AM, Dana Whitlow wrote: > > "rubidium laser" ??? > > > > Dana > > I don't know about the MAC, but the CSAC uses a VCSEL to shine through > the gas cell. > > The MAC is a pretty big thing compared to the CSAC - it's in the usual > 2x2" package and draws 5-8W (after warmup) > > > > > On Sat, Apr 3, 2021 at 2:15 AM Poul-Henning Kamp <[email protected]> > wrote: > > > >> I know it's not a particular outstanding atomic clock, but I was still > >> surprised to see that Sparkfun lists the SA.35m for $1995... > >> > >> https://www.sparkfun.com/products/14830 > >> > >> Not in stock though... > >> > >> -- > >> Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > >> [email protected] | TCP/IP since RFC 956 > >> FreeBSD committer | BSD since 4.3-tahoe > >> Never attribute to malice what can adequately be explained by > incompetence. > >> _______________________________________________ > >> time-nuts mailing list -- [email protected] -- To unsubscribe > send > >> an email to [email protected] > >> To unsubscribe, go to and follow the instructions there. > >> > > _______________________________________________ > > time-nuts mailing list -- [email protected] -- To unsubscribe > send an email to [email protected] > > To unsubscribe, go to and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- [email protected] -- To unsubscribe send > an email to [email protected] > To unsubscribe, go to and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] -- To unsubscribe send an email to [email protected] To unsubscribe, go to and follow the instructions there.
