Yao Duan-zheng

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A method to evaluate some Fourier integrals is extended from two-dimensional (2-D) and three dimensional (3-D) spaces ton-dimensional (n-D) space, which are often used in the elasticity theory of dislocations in quasicrystals. Some key formulae have been given.
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(More)
A new nonlinear optical third-harmonic imaging technology in reflected fashion in bio-tissues by using cascading effect, a process whereby the second-order effects combine to contribute to a third-order nonlinear process, has been analyzed. The performance of the reflected optical thrid harmonic imaging enhanced by cascading effect in bio-tissues is(More)
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