Sacrificial micro-gratings

Details Sacrificial micro-gratings Sacrificial micro-gratings

1995-10-31

1998-09-22

Dzerzynski, Paul M.

Optical: systems and elements

Diffraction

From grating

359566, 372 20, 250216, G02B 518, G02B 2744, H01S 310, H01J 314

Patent

active

058123199

ABSTRACT:
An arrangement and technique for reduced laser induced damage threshold (T) of a sacrificial optical element within an electro-optical system without increased system reflectivity. A sacrificial optical element including input and output surfaces is located normal to the optical axis at an intermediate focal plane of the system and a micro-prism structure is also present on at least one of the surfaces.

REFERENCES:
patent: 4909587 (1990-03-01), Okamoto et al.
patent: 4909609 (1990-03-01), McDowell
patent: 5153425 (1992-10-01), Meinzer et al.
patent: 5387484 (1995-02-01), Doany et al.
patent: 5495101 (1996-02-01), Sharp et al.

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