Optical systems

Details Optical systems Optical systems

H - Electricity

04

J

H04J 14/02 (2006.01) G02B 6/34 (2006.01) G02B 27/10 (2006.01) G02F 2/02 (2006.01) H04B 10/155 (2006.01)

Patent

CA 2373952

A system for converting a single input beam of light into a plurality of spatially or angularly shifted output beams, each having a different wavelength supplies the single input beam of light to the first of a plurality of cascaded acousto- optical and/or stimulated Brillouin scattering (SBS) wavelength-shifting devices in optical communication with each other. This causes the first wavelength- shifting device to produce a first output beam having a wavelength shifted from that of the input beam. The output beam from each of the cascaded wavelength-shifting devices is supplied to the next such device to cause each successive wavelength- shifting device to produce an output beam having a wavelength shifted from the wavelength of the input beam to that device. Thus, variations in the wavelength of the input beam or in temperature on strain of the wavelength-shifting devices will cause the wavelengths of the output beams to uniformly vary, thus maintaining constant intra- wavelength spacings among the output beams.

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