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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/2506

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dc.contributor.authorJoseph, J-
dc.contributor.authorSingh, K-
dc.contributor.authorPillai, P K C-
dc.identifier.citationOptics & Laser Technology,23(4), 237-240p.en
dc.description.abstractIn signal beam amplification by two-beam coupling in BaTiO3 photorefractive crystals, beam fanning in the direction of the amplified signal reduces the signal-to-noise ratio (SNR). The dependence of the SNR and the signal beam gain on the crystal orientation are analysed using a HeNe laser. It is found that orientating the crystal for maximum gain gives poor signal-to-noise ratio. A compromise has to be made between the SNR and high gain for optimum signal amplification.en
dc.format.extent132037 bytes-
dc.subjectPhotorefractive crystalsen
dc.subjectTwo-beam couplingen
dc.subjectSignal beam amplificationen
dc.subjectSignal to noise ratioen
dc.titleCrystal orientation dependence of the SNR for signal beam amplification in photorefractive BaTiO3en
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