Temperature control of crystals used in optical oscillators

Details Temperature control of crystals used in optical oscillators Temperature control of crystals used in optical oscillators

1993-05-10

1994-06-28

Lee, John D.

Optical: systems and elements

Optical frequency converter

Parametric oscillator

219389, 219490, 219501, 236 1F, G02F 139

Patent

active

053252292

ABSTRACT:
A crystal, which is mounted in a rotatable support for use in tuning the wavelength of an optical parametric oscillator, is maintained at a desired temperature by positioning a heating sleeve to thermally coupled to the crystal and its support in such a way that the crystal is still free to rotate. The heating sleeve has an embedded heating element for connecting to an electronic controller whose dynamic output response matches the dynamic temperature characteristics of the combination of components including the crystal, it rotatable holder and the heating sleeve, so as to quickly stabilize changes in the crystal temperature with a minimum amount of overshoot.

REFERENCES:
patent: 3621213 (1971-11-01), Jen et al.
patent: 3675039 (1972-07-01), Boyd et al.
patent: 4348115 (1982-09-01), Walker et al.

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