Cryogenic Lens Mounts
Cryogenic Lens Mounts
(OP)
I am trying to design a series of lens mounts which can be used at 77K. Obviously I need to align them at room temperature, but I need to maintain this alignment. The lenses need to be concentric to 20microns, and maintain this through all gravity vectors!
I would appreciate any assistance in this matter.
I would appreciate any assistance in this matter.





RE: Cryogenic Lens Mounts
Grant is the best person I know to get you pointed in the right direction, he can be contacted at grant@scepter.net or (925) 556-0550. Grant has done many Optical-packaging programs for military airborne systems.
RE: Cryogenic Lens Mounts
Have you considered using invar as a material for your mounts? It has a very low coefficient of thermal expansion; however, it does corrode with moisture so it will have to have a surface treatment.
Tom Worthington
pworthi@astro.as.utexas.edu
RE: Cryogenic Lens Mounts
make the mount stable. He seems to be successful at it. If you are still interested, you can e-mail me and I'll give you his phone number ( dougb@alpinecryo.com)
Dougb
RE: Cryogenic Lens Mounts