Title :
Nonmagnetic UHV optical viewports
Author :
Crane, Scott ; Ekstrom, Chrisopher R.
Author_Institution :
Time Service Dept., U.S. Naval Obs.
Abstract :
Many atomic physics and frequency metrology applications require nonmagnetic optical viewports for ultra high vacuum (UHV) chambers. We have refined two techniques for producing specialized UHV optical viewports. The first is a weld-in window cell made by brazing an optical blank into a thin weld collar. The second is a mechanical sealing method that relies on crushing a series of thin copper knife-edges
Keywords :
atomic clocks; copper; laboratory techniques; optical materials; sealing materials; vacuum apparatus; Cu; UHV chambers; UHV optical viewports; mechanical sealing method; nonmagnetic optical viewports; optical blank; thin weld collar; ultra high vacuum chambers; weld-in window cell; Apertures; Assembly; Atom optics; Clocks; Copper; Optical design; Temperature; Titanium; Vacuum systems; Welding;
Conference_Titel :
Frequency Control Symposium and Exposition, 2005. Proceedings of the 2005 IEEE International
Conference_Location :
Vancouver, BC
Print_ISBN :
0-7803-9053-9
DOI :
10.1109/FREQ.2005.1573947
