Diffraction of light by two parallel adjacent ultrasonic beams of the frequency ratio 1:1, beyond the Raman-Nath diffraction regime

G. Gondek; T. Katkowski; P. Kwiek

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Diffraction of light by two parallel adjacent ultrasonic beams of the frequency ratio 1:1, beyond the Raman-Nath diffraction regime

机译：Diffraction of light by two parallel adjacent ultrasonic beams of the frequency ratio 1:1, beyond the Raman-Nath diffraction regime

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摘要

Light diffraction by two adjacent ultrasonic waves having the same frequencies is examined experimentally beyond the Raman-Nath diffraction regime. Measurements were taken of the 0 and ±1 order diffracted light intensities for a few (settled) Raman-Nath parameter values, as a function of the phase shift between the sound beams. The experimental results obtained are discussed and compared with relevant, generalized, theoretically numerical predictions, as well as with the ones obtained by means of the 0 and ±1 order approximation only. In both cases, however, within all the experimental conditions considered, a quite good quantitative agreement between the experimental data and the appropriate theoretical predictions is observed. # 1999 Society of Photo-Optical Instrumentation Engineers. S0091-3286(99)00607-8 Subject terms: acousto-optics; ultrasonic light diffraction; diffraction of light by two sound beams; rediffraction phenomenon. Paper TCP-06 was received on Nov. 4, 1998; revised manuscript received Feb. 16, 1999; accepted for publication Feb. 16, 1999.

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《Optical Engineering》 |1999年第9期|1108-1112|共5页
作者
G. Gondek; T. Katkowski; P. Kwiek;
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作者单位

University of Gdansk Institute of Experimental Physics Acousto-Optics and Laser Physics/ul. Wita Stwosza 57 80-952 Gdansk, Poland E-mail:fizpk@univ.gda.pl;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
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正文语种英语
中图分类光学仪器;
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Diffraction of light by two parallel adjacent ultrasonic beams of the frequency ratio 1:1, beyond the Raman-Nath diffraction regime

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