啁啾光栅反射光谱：MATLAB模拟不同啁啾系数的影响

%20%E5%AE%9A%E4%B9%89%E5%92%AA%E5%92%AA%E7%B3%BB%E6%95%B0%E7%BB%84%0Achirp_coeff%20%3D%20%5B7e-9%2C%2010e-9%2C%2013e-9%2C%2016e-9%2C%2019e-9%5D%3B%0A%0A%20%E5%AE%9A%E4%B9%89%E6%B3%A2%E9%95%BF%E8%8C%83%E5%9B%B4%0Awavelength%20%3D%20linspace(1549e-9%2C%201551e-9%2C%201000)%3B%0A%0A%20%E5%AE%9A%E4%B9%89%E4%BC%A0%E8%BE%93%E7%9F%A9%E9%98%B5%0AM%20%3D%20%40(k%2C%20L)%20%5Bcos(kL)%2C%201isin(kL)/k%3B%201iksin(kL)%2C%20cos(kL)%5D%3B%0A%0A%20%E8%AE%A1%E7%AE%97%E5%8F%8D%E5%B0%84%E7%8E%87%0Arelection%20%3D%20zeros(length(wavelength)%2C%20length(chirp_coeff))%3B%0Afor%20i%20%3D%201%3Alength(chirp_coeff)%0A%20%20k%20%3D%202pi./wavelength%3B%0A%20%20M_temp%20%3D%20M(k%2C%20chirp_coeff(i))%3B%0A%20%20reflection(:,%20i)%20%3D%20abs(M_temp(2%2C1)./M_temp(1%2C1)).^2%3B%0Aend%0A%0A%20%E7%BB%98%E5%88%B6%E5%8F%8D%E5%B0%84%E5%85%89%E8%BE%BE%E5%9B%BE%0Afigure%3B%0Aplot(wavelength*1e9%2C%20reflection%2C%20'LineWidth'%2C%201.5)%3B%0Axlabel('波长%20(nm)')%3B%0Aylabel('反射率')%3B%0Atitle('啁啾光纤布拉格光栅的反射谱')%3B%0Alegend('7e-9'%2C%20'10e-9'%2C%20'13e-9'%2C%20'16e-9'%2C%20'19e-9')%3B%0Axlim(%5B1549%2C%201551%5D)%3B%0Aylim(%5B0%2C%201%5D)%3B%0A%0A%E8%BF%90%E8%A1%8C%E4%BB%A5%E4%B8%8A%E4%BB%A3%E7%A0%81%2C%20%E5%B0%86%E4%BC%9A%E5%BE%97%E5%88%B0%E4%B8%80%E5%8F%B3%E5%90%AB%E5%90%97%E5%90%8C%E5%92%AA%E5%92%AA%E7%B3%BB%E6%95%B0%E4%B8%8B%E7%9A%84%E5%92%AA%E5%92%AA%E5%85%89%E7%BD%91%E5%8F%8D%E5%B0%84%E5%85%89%E8%BE%BE%E7%9A%84%E5%9B%BE%E3%80%82%E6%A8%AA%E5%8F%8D%E5%B0%84%E7%8E%87%E3%80%82%E5%8F%8D%E5%B0%84%E7%8E%87%E3%80%82%E7%9A%84%E6%B3%A2%E9%95%BF%E3%80%82%E5%8F%8D%E5%B0%84%E7%8E%87%E3%80%82%E4%B8%8D%E5%90%8C%E7%9A%84%E5%92%AA%E5%92%AA%E7%B3%BB%E6%95%B0%E3%80%82