Go calculate the wavelength and it will become apparent why it is tough to do. Also you need to worry about freq stability.
Dave On Jan 27, 2008, at 12:29 PM, Kirk Wallace wrote: > On Sun, 2008-01-27 at 15:03 -0500, Gene Heskett wrote: > ... snip >> Interesting John. But the whole idea has threads about >> interferometer based >> methods going around in my head, and the thought of the single >> frequency >> coherence required to make that work keeps backing away from the >> relatively >> expensive he-neon lasers that still require some filters to achieve a > ... snip >> help in the ambient noise cases. This is however, well above the >> shops local >> crickets I'd bet... >> >> I'll email them for a quote just for grins & giggles. >> >> -- >> Cheers, Gene > > What about micro-waves? > > -- > Kirk Wallace (California, USA > http://www.wallacecompany.com/machine_shop/ > Hardinge HNC lathe, > Bridgeport mill conversion, doing XY now, > Zubal lathe conversion pending) > > > ---------------------------------------------------------------------- > --- > This SF.net email is sponsored by: Microsoft > Defy all challenges. Microsoft(R) Visual Studio 2008. > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
