Optical wavelength tunable filter

Details Optical wavelength tunable filter Optical wavelength tunable filter

1994-01-28

1996-04-09

Bovernick, Rodney B.

Optical waveguides

With optical coupler

Movable coupler

385 23, G02B 626

Patent

active

055069207

ABSTRACT:
An optical filter having a transmission wavelength to be tuned dependent on light incident angle is rotatively provided in a collimated light path. The optical filter is rotated by the displacement of a piezoelectric actuator by a structure in which the displacement is converted to the rotation of the optical filter. The converting structure comprises a displacement magnifying mechanism for magnifying the displacement to provide the magnified displacement and a motion converting mechanism for converting the magnified displacement to the rotation of the optical filter.

REFERENCES:
patent: 3944947 (1976-03-01), Pike et al.
patent: 3967211 (1976-06-01), Itzkan et al.

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