Wavelength selection device and method

Details Wavelength selection device and method Wavelength selection device and method

G - Physics

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G02B 26/08 (2006.01) G01J 3/26 (2006.01) G02B 6/38 (2006.01) G02B 26/02 (2006.01) G02B 26/04 (2006.01) G02F 1/21 (2006.01) H01S 3/10 (2006.01)

Patent

CA 1271552

WAVELENGTH SELECTION DEVICE AND METHOD ABSTRACT The wavelength selection device comprises a substrate (1); and a deflectable wavelength selection member constituted by a diffraction grating (10) provided by a torsion member (6) mounted to the substrate (1). A pair of electrodes (4,5) are responsive to a control current to cause the torsion member (6) to deflect whereby radiation centres on a predetermined wavelength is selected from radiation having a number of wavelengths impinging on the selection member (10) by setting the selection member (10) at a predetermined angle to the incoming radiation.

520798

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