Method of forming retardation plate utilizing deformed zinc sele

Details Method of forming retardation plate utilizing deformed zinc sele Method of forming retardation plate utilizing deformed zinc sele

1992-03-26

1993-04-27

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Optical fiber, waveguide, or preform

264 13, 264 27, 264322, B29D 1100

Patent

active

052059677

ABSTRACT:
Zinc selenide is a transparent material which is commonly used with CO2 laser optics. This material can be converted to a birefringent form by deforming the zinc selenide at an elevated temperature. The birefringent zinc selenide can then be made into quarter wave plates.

REFERENCES:
patent: 4944900 (1990-07-01), Willingham et al.
patent: 5126081 (1992-06-01), Willingham et al.

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