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Waveguide selective optical switch, apparatus and method for controlling the optical switch
Waveguide selective optical switch, apparatus and method for controlling the optical switch
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机译:波导选择性光开关,控制光开关的装置和方法
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摘要
In an optical switch comprising a wavelength spatially dispersive optical element (1) for spatially dispersing a wavelength-multiplexed beam according to wavelengths, a plurality of output ports (22) and a plurality of mirrors (4) onto which beams dispersed by the element (1) are irradiated, and each of which is able to direct a reflected beam to any one of the plural output ports (22), when an incident position of a reflected beam irradiated onto any one of the output ports (22) is changed, the angle of the reflecting surface of a corresponding mirror (4) among the plural mirrors (4) is changed in a direction other than a direction in which the mirrors (4) are arranged, whereby a protuberance in the vicinity of the out-band (side lobe) of the transmission band characteristic of the optical switch can be suppressed.
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