EMISSION OF RADIATION FROM A TAPERED EDGE OF AN OPTICAL WAVEGUIDE.

被引：0
|
作者：
Zolotov, E.M.
Pelekhatyi, V.M.
Prokhorov, A.M.
机构：
来源：
Soviet Journal of Quantum Electronics (English translation of Kvantovaya Elektronika) | 1976年 / 6卷 / 07期
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D O I：
10.1070/QE1976v006n07ABEH011671
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学科分类号：
摘要：
An analysis is made of the coupling of radiation out of a smoothly tapered optical waveguide. It is shown experimentally that energy is extracted because of scattering of the guided modes in the tapered region when the thickness exceeds a critical value and because of emission of guided modes when the thickness is below this value. An investigation is reported of the far-field pattern of the radiation as a function of the taper angle of the waveguide. The experimental results are compared with calculations.
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页码：800 / 802
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