Optical filter tuned by rotation and comprising a Fabry-Perot in

Details Optical filter tuned by rotation and comprising a Fabry-Perot in Optical filter tuned by rotation and comprising a Fabry-Perot in

1993-03-23

1994-11-01

Chilcot, Jr., Richard E.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

319182, 319722, H04J 1402

Patent

active

053611551

ABSTRACT:
A rotation tuned optical filter comprises a Fabry-Perot type interferometer disposed between an optical source and an optical receiver. The interferometer filters an input optical signal from the optical source. The input optical signal propagates substantially in a single mode. The interferometer supplies a filtered optical signal to the optical receiver which comprises a receiving surface which integrates the power density of the filtered optical signal. The filter comprises means for modifying the position of the filtered optical signal relative to the receiving surface of the optical receiver.

REFERENCES:
patent: 4561119 (1985-12-01), Epworth
patent: 4712862 (1987-12-01), Lightstone
patent: 4813756 (1989-03-01), Frenkel et al.
patent: 5227908 (1993-07-01), Henmi
Journal of Lightwave Technology, vol. 7, No. 4, Apr. 1989, New York, USA, pp. 615-624, Frenkel et al.: "Angle-tuned etalon filters for optical channel selection in high density wavelength division multiplexed systems".
Applied Optics, vol. 26, No. 3, Feb. 1, 1987, New York, USA, pp. 430-436, Mallinson S.: "Wavelength-selective filters for single-mode fiber WDM systems using Fabry-Perot interferometers".

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