Study of the Coupling of Mutually Incoherent Beams in Forward Direction and Fanning Reduction by Using Incoherent Erasure

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Chinese Journal of Lasers >Volume 27 >Issue 6 >Page 561 > Article

Chinese Journal of Lasers
Vol. 27, Issue 6, 561 (2000)

Study of the Coupling of Mutually Incoherent Beams in Forward Direction and Fanning Reduction by Using Incoherent Erasure

[in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]¹, [in Chinese]², [in Chinese]², and [in Chinese]²

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¹[in Chinese]

²[in Chinese]

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Study of the Coupling of Mutually Incoherent Beams in Forward Direction and Fanning Reduction by Using Incoherent Erasure[J]. Chinese Journal of Lasers, 2000, 27(6): 561 Copy Citation Text

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Abstract

The coupling of two mutually incoherent beams of extraordinary polarization of degenerate wavelengths in the forward direction in photorefractive Ce:KNSBN crystal is theoretically analyzed and experimentally demonstrated. The bright and dark rings due to coupling of two incoherent beams were observed and a new method of fanning reduction by using incoherent erasure are proposed in photorefractive crystal.

Keywords

conical diffraction dark ring fanning grating reduction coupling of mutually incoherent beams

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