#77 Brownian Carnot engine-I 微觀卡諾引擎-I on January 26, 2017 Carnot engine classical mechanics Hamiltonian thermodynamics +
#57 fundamentals--gaussian beam常識集_高斯光束 on June 24, 2016 Fraunhofer diffraction Gaussian beam optics +
#55 Fundamentals--Farunhofer Diffraction-II 常識集_夫朗和斐繞射_中 on June 23, 2016 Dirac delta function Fraunhofer diffraction Fresnel approximation impulse response optics +
#54Fundamentals--Fraunhofer diffraction-I 常識集_夫朗和斐繞射_上 on June 23, 2016 Fourier transform Fraunhofer diffraction Huygens principle optics spatial frequency +