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Please use this identifier to cite or link to this item: http://eprint.iitd.ac.in/handle/2074/811

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dc.contributor.authorDharmsaktu, K S-
dc.contributor.authorJoseph, Joby-
dc.contributor.authorKehar Singh-
dc.identifier.citationOptics and Lasers in Engineering, 33(6), 423-429en
dc.description.abstractWe demonstrate a method of one-dimensional laser beam deflection using frequency detuning in two-wave mixing. Energy exchange between the interfering beams in a photo-refractive BaTiO 3 crystal has been used for deflection of a pump beam into predetermined probe beam directions. A one-dimensional array of several beams is generated from a single probe beam, employing a piezo-mirror and beam splitter combination. Probe beams so produced are detuned by exciting the piezo-mirror with a periodic near-saw-tooth voltage so as to produce running fringes. However, stable holographic gratings are recorded by matching the frequency of the probe beam with that of a pump beam reflected from another vibrating piezo-mirror, thereby controlling the direction of beam deflection.en
dc.format.extent352603 bytes-
dc.subjectTwo-beam couplingen
dc.subjectBeam steeringen
dc.titleOne-dimensional laser beam steering using frequency detuning in two - wave mixing with a BaTiO3 crystalen
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