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STEADY-STATE BEAM FANNING IN PHOTOREFRACTIVE CRYSTALS

GUO RU PAN SHI-HONG ZHANG GUANG-YIN

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STEADY-STATE BEAM FANNING IN PHOTOREFRACTIVE CRYSTALS

GUO RU, PAN SHI-HONG, ZHANG GUANG-YIN
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  • It is shown that multiwave mixing of the beam itself in high-gain photorefractive crystals is also a possible cause of beam fanning. Through the multiwave coupling of the beam itself the power can asymmetrically transfer from low to high spatial frequencies. This leads to a broad-angled profile of light. Thus amplified noise and amplified spatial frequencies of the beam both play an important role in producing the fanning effect.
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  • Abstract views:  6189
  • PDF Downloads:  511
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Publishing process
  • Received Date:  13 June 1995
  • Published Online:  05 June 1996

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