P9.3. Consider a grating period twice as big as the Bragg period for a given wavelength. (a) What is the scattering vect

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P9.3. Consider a grating period twice as big as the Bragg period for a given wavelength. (a) What is the scattering vect

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P9 3 Consider A Grating Period Twice As Big As The Bragg Period For A Given Wavelength A What Is The Scattering Vect 1
P9 3 Consider A Grating Period Twice As Big As The Bragg Period For A Given Wavelength A What Is The Scattering Vect 1 (409.08 KiB) Viewed 25 times
P9.3. Consider a grating period twice as big as the Bragg period for a given wavelength. (a) What is the scattering vector compared to that of a grating at the Bragg wavelength? (b) Can this grating be used to couple a forward-going and backward-going waves? (c) Will this wavelength diffract a forward-going wave into any other direction? (d) What are some potential advantages of this second-order grating? (e) Suppose the coupling was found to be 12/cm of this geometry (grating thickness, duty spacing, and material). What will the coupling be for the exact same grating fabricated with a period corresponding to the Bragg wavelength?
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