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Utilizing the tool of beam propagation method (BPM) to calculate the zeroth order diffraction beam intensity, we find SVHG
displays notched diffraction response as a function of the readout wavelength. Using the method of SA and considering the
variance of refractive index as the readout wavelength changes, a practiced notch filter can be designed and the period of
the filter is discussed.
Foundation item: Supported by the National Natural Science Foundation of China (69607005)
Biography: LI Xiang-yang (1974-), male, Master candidate: Research direction: message optics. 相似文献
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