Electrooptical element

Details Electrooptical element Electrooptical element

2008-01-29

2008-01-29

Mack, Ricky (Department: 2873)

Optical: systems and elements

Optical modulator

Having particular chemical composition or structure

C359S247000

Reexamination Certificate

active

07324266

ABSTRACT:
An electrooptical element is disclosed, made from a crystal, for an electrooptical modulator (EOM), for example, a Pockels cell, comprising a housing, with the crystal arranged therein in the form of a vertical cylinder, the both end surfaces of which form a front plane, for entry of a light beam and an outlet plane, at a separation from the above, with an annular electrode in contact with each of the above and with a retainer, between the housing and both the outer region of the crystal and the two annular electrodes. The invention is characterized in that the retainer is embodied as an O-ring, concentrically enclosing each annular electrode and forming a closed annular chamber between itself and the housing, made from an electrically-conducting material and a hardened sealing compound, filling the annular chamber.

REFERENCES:
patent: 3653743 (1972-04-01), Kiefer et al.
patent: 4229079 (1980-10-01), Wayne et al.
patent: 5221988 (1993-06-01), Juhasz et al.
patent: 6771410 (2004-08-01), Bourlanoff et al.
patent: 254 867 (1988-03-01), None
patent: 59-61817 (1984-04-01), None

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