传输矩阵法 Resources

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This section provides a complete MATLAB program example for calculating reflection spectrum and time delay of chirped gratings using the transfer matrix method. The code has been verified to run successfully in MATLAB 5.13 and Windows 2000 environments, with results shown in Figure 8. The implementation allows parameter modification including grating length, effective refractive index, refractive index modulation depth, and chirp coefficient to obtain reflection spectra and time delay curves under different conditions. By uncommenting the "% apodization" line, users can generate apodized grating reflection spectra and time delay characteristics, which yield significantly smoother curves compared to those shown in Figure 8.

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