According to the requirement of the sensitive wave band of 380—520 nm of the bionic micro-nano navigation sensor,a wire-grid polarizer,which is applicable for blue-violet light spectrum,was designed based on rigorous coupled-wave theory,and its behavior was analyzed with effective medium theory.

The diffraction characteristics of the phase mask for fiber grating fabrication is investigated using rigorous coupled-wave theory.

Meantime,the diffraction efficiency of the BSG is discussed based on rigorous coupled-wave theory.

Diffraction property of multi-layer dielectric gratings studied by rigorous coupled-wave analysis;

Extensive comparative investigation on the infrared reflection spectra of deep trench structures by means of effective medium approximation(EMA) and rigorous coupled-wave analysis(RCWA) reveals that the RCWA based method is accurate but time consuming while the EMA based calculation is much faster but less accurat.

Based on rigorous coupled-wave analysis(RCWA) and the matrix LU decomposition,the diffraction field of rectangular subwavelength dielectric grating was presented.

A design method of subwavelength structure Dammann grating with even diffractive beams is described based on the rigorous couple wave theory and genetic algorithm.

Design of an asymmetrical polarizing beam splitters is described based on rigorous couple wave theory,where TE and TM polarized waves are mainly diffracted in the 1st and 0th orders,respectively.

Based on rigorous coupled wave theory, the relationship between diffraction property of rectangular phase gratings in resonant region and grating period, duty cycle, thickness is analyzed.