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Published on May 1, 2010
The reduction of thermionic emission using non-contact radiant cooling of the photocathode. The temperature at the photocathode starts out at 40 degrees Celsius and terminates at 10 degrees Celsius. Thermal electron emissions are a primary source of noise in an image intensifier. There was no source of photo electrons, what your witnessing is the emission of thermal electrons mainly from the photocathode . This was made possible through the cascading of two gen III tubes.
High End Suppliers of Astronomy Grade Night Vision and Image Intensifiers:
Ident Marking Services http://www.identmarking.com/index.php... Jason Crum INFO@IDENTMARKING.COM Specializing in premium hand select L-3 filmed, thinned film and un-filmed image intensifiers.
Night Vision Depot: http://www.nvdepot.com/ Michael Graham firstname.lastname@example.org Specializing in premium hand select ITT image intensifiers and the primary source for the astronomy orientated Micro Monocular Image Intensified Eyepiece.
MX-10160C; F9800VG F9800TG F9800YG F9800RG
MX-10160A; F9800K and F9800L
Documenting EBI noise in Night Vision Image Intensifier Tube