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18 August 1995 Selecting optimal incident conditions in a cat-type self-pumped phase conjugator by erasure
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Abstract
We have observed an extra fanning beam along the direction for obtaining the maximum coupling strength and it affects the reflectivity of a cat self-pumped phase conjugator. The production of the extra fanning beam for obtaining the highest coupling strength can be understood by applying Sun's method. The angle deviation of the direction of the extra fanning beam and the fanning loops affects the generation and reflectivity of the phase conjugate wave. It can be controlled by erasure. Moreover, the erasure of the crystal can be treated as another control factor of incident condition for obtaining the maximum reflectivity in a Cat SPPCM in Sun's method. We have modified Sun's method by considering this factor. We find the modified Sun's method can be use to estimate the optimal incident conditions for obtaining the relatively high reflectivity of a Cat SPPCM in a more accurate way.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ching-Cherng Sun, Ren-Han Tsou, Ming-Wen Chang, and Ken Yuh Hsu "Selecting optimal incident conditions in a cat-type self-pumped phase conjugator by erasure", Proc. SPIE 2529, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications, (18 August 1995); https://doi.org/10.1117/12.217023
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