Broadband rugate filter

Details Broadband rugate filter Broadband rugate filter

1994-10-11

1995-12-12

Bovernick, Rodney B.

Optical: systems and elements

Light interference

Produced by coating or lamina

359589, 359885, 356 38R, 385130, G02B 528

Patent

active

054755310

ABSTRACT:
A broadband rugate filter (10) includes an optical substrate (12) having first and second surfaces, (14, 16) and a layer (18) of optical material deposited on one of the surfaces, (14, 16). The layer (18) has an index of refraction versus thickness profile having a frequency that continuously changes in a single direction.

REFERENCES:
patent: 4826267 (1989-05-01), Hall et al.
patent: 4952025 (1990-08-01), Gunning, III
patent: 5000575 (1991-03-01), Southwell et al.
patent: 5028136 (1991-07-01), Murarka et al.
patent: 5100233 (1992-03-01), Southwell et al.
patent: 5181143 (1993-01-01), Southwell
patent: 5293548 (1994-02-01), Siebert

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