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A perturbation and iterative perturbation analysis of linearly chirped grating lenses of medium Q in dielectric waveguides

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2 Author(s)
Forouhar, S. ; Rockwell International Corporation, Dallas, TX, USA ; Chang, W.S.C.

A perturbation and iterative perturbation analysis of linearly chirped quasi-periodic structures of mediumQfactor in planar dielectric waveguides has been formulated. This analysis can be used to calculate the diffraction efficiency and the angular field of view of a given linearly chirped grating structure, for a specific incident beam including the effect of higher orders of diffractions. The numerical example of aF = 10 , f = 10m.m,Lambda_{min} = 2.06, Lambda_{max} = 4.25and grating groove length = 15 μm is presented.

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Quantum Electronics, IEEE Journal of  (Volume:20 ,  Issue: 4 )