Corby, Do you know if the collimator is made from an uncoated microchannel plate? If so, an old, broken Gen II image intensifier might be a viable source.
Best, -John ============ > Attila, > > The precision on the cavity itself does not need to be so tight as a > mechanical tuning plunger takes up the initial tuning slack. > > The varactor tuning covers more than 10Khz > > This cavity is held at approx. 50 degrees C. > > The collimator for an active maser is a bundle of MANY hollow glass tubes > that have been stretched by a glassblower to reduce the diameter of the > holes to very tiny size. > > Takes an expert! > > For a passive maser a smaller number of tubes with larger teflon coated > holes can be used. > > On the output of either style either a quadrapole or hexapole permanent > magnet assy. is used to focus the beam. > > Tom VanBaak is going to host the manuals on his Leap Second website. > > I'll post on time nuts once they are there! > > Corby > ____________________________________________________________ > Obama Urges Homeowners to Refinance > If you owe under $729k you probably qualify for Obama's Refi Program > http://thirdpartyoffers.juno.com/TGL3141/4c7d42e9281c7d9274m04duc > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
