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Solutions Manual For Optoelectronics and Photonics Principles and Practices, Second Edition by Safa Kasap

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Solutions Manual For Optoelectronics and Photonics Principles and Practices, Second Edition by Safa Kasap

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,Chapter 1.3
V Wave Nature of Light
V V V

, Ánh sáng là sóng điện từ Light
V V V V V V




is an electromagnetic wave
V V V V




Sóng điện từ là sóng truyền đi có điện trường và từ trường
V V V V V V V V V V V V



biến thiên theo thời gian, vuông góc với nhau và có
V V V V V V V V V V



phương truyền z. V V



An electromagnetic wave is a traveling wave that has time-varying
V V V V V V V V V



electric and magnetic fields that are perpendicular to each
V V V V V V V V V



other and the direction of propagation z.
V V V V V V

, Ex = Eocos(t  kz +)
V V V V V V V




Ex = Điện trường dọc theo x tại vị trí z tại thời điểm t
V V V V V V V V V V V V V V




k = Hằng số - vector sóng = 2/
V V V V V V V V




 = Bước song - Wavelength
V V V V V




 = Tần số góc Angular frequency = 2   frequency)
V V V V V V V V V V




Eo = Amplitude of thewave
V V V V




= Phase constant; at t = 0 and z = 0, Ex may or may not
V V V V V V V V V V V V V V V V




necessarily be zero depending on the choice of origin. V V V V V V V V




(t  kz + ) =  = Pha của sóng - Phase of the wave
V V V V V V V V V V V V V V V




Sóng phẳng đơn sắc có truyền vô hạn theo chiều dương z.
V V V V V V V V V V V




VThis is a monochromatic plane wave of infinite extent
V V V V V V V V




traveling in the positive z direction. V V V V V

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