Turning prism for ultraviolet radiation

Details Turning prism for ultraviolet radiation Turning prism for ultraviolet radiation

2005-12-27

2005-12-27

Shafer, Ricky D. (Department: 2872)

Optical: systems and elements

Having significant infrared or ultraviolet property

Having polarizing element

C359S355000, C359S487030, C359S833000, C359S837000, C359S900000

Reexamination Certificate

active

06980358

ABSTRACT:
A truncated triangular prism has an entrance and an exit face perpendicular to each other and a reflecting face inclined at an angle α to the entrance face where α is about 135°−θB, and where θBis the external Brewster angle for the material of the prism at the wavelength of radiation to be reflected by the prism. A beam of p-polarized radiation directed into the prism through the entrance face at the Brewster angle is totally internally reflected from the reflecting face and leaves the exit face at the Brewster angle and at an angle of ninety degrees to the direction at which the radiation enters the prism.

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patent: 5013136 (1991-05-01), Whitehead et al.
patent: 5973864 (1999-10-01), Lehmann et al.
patent: 6456434 (2002-09-01), Davydov

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