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01141 am a22001813u 4500 |
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77889 |
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|a dc
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|a Gnewuch, H.
|e author
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|a Pannell, C.N.
|e author
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|a Ross, G.W.
|e author
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|a Geiger, H.
|e author
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|a Smith, P.G.R.
|e author
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|a Nanosecond response of bulk-optical Bragg-diffraction modulator based on periodically poled LiNbO<sub>3</sub>
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|c 1998.
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| 856 |
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|z Get fulltext
|u https://eprints.soton.ac.uk/77889/1/1637.pdf
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|a For the first time transients are measured for a bulk-optical Bragg-diffraction modulator based on an electro-optically induced grating in periodically poled LiNbO<sub>3</sub> (PPLN). Optical pulse risetimes of 1.2 nsec are reported with a first order diffraction efficiency of 76 % for circular Gaussian beams. The fast risetime is accounted for by a substantially suppressed excitation of acoustic thickness modes and careful electrode design. The device could replace acousto-optical Bragg-deflectors for many applications due to a reduction of the risetime by more than an order of magnitude.
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|a accepted_manuscript
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|a Article
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