Optical unit including electrooptical crystal elements

Details Optical unit including electrooptical crystal elements Optical unit including electrooptical crystal elements

1989-01-10

1990-12-11

LaRoche, Eugene R.

350356, 350387, G02F 101, G02F 103, G02B 530

Patent

active

049765175

ABSTRACT:
An optical unit including a first electrooptical crystal element having a pyroelectric effect and first polarized faces, and a second electrooptical crystal element having a pyroelectric effect and having second polarized faces corresponding to the first polarized faces. The first and second polarized faces are electrically connected to each other such that a polarity of an electrical charge on each of the first polarized faces is opposite to that of an electrical charge on a corresponding one of the second polarized faces. The first electrooptical crystal element is positioned such that a light beam is propagated through the first electrooptical crystal element.

REFERENCES:
patent: 3304428 (1967-02-01), Peters
patent: 3900247 (1975-08-01), Zaky

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