Second harmonic generation by periodic laminar structure of nonlinear optical crystal |
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Authors: | Masakatsu Okada Kaniharu Takizawa Shogo Ieiri |
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Affiliation: | Broadcasting Science Research Laboratories, NHK (Japan Broadcasting Corporation) 1-10-11, Kinuta, Setagaya, Tokyo 157, Japan |
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Abstract: | The phase-matched second harmonic generation by periodic structures composed of laminae of nonlinear optical crystals has been studied experimentally. It is shown that the intensity of the second harmonic is approximately proportional to the square of the number of laminae under phase-matched condition, which is satisfied over a broad frequency range by the variation of the angle of incidence when a laminar structure with a period much larger than the coherence length is used. |
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