The Effect Of Laser Beam Transverse Mode And Polarization Properties On A-O Modulator Performance

J. A. Lucero; J. A. Duardo; R. V. Johnson

doi:10.1117/12.955049

30 December 1976 The Effect Of Laser Beam Transverse Mode And Polarization Properties On A-O Modulator Performance

J. A. Lucero, J. A. Duardo, R. V. Johnson

Proceedings Volume 0090, Acousto-Optics: Device Development/Instrumentation/Applications; (1976) https://doi.org/10.1117/12.955049
Event: 20th Annual Technical Symposium, 1976, San Diego, United States

Abstract

Analytical models are presented which quantitatively relate the efficiency/bandwidth per-formance of A-0 modulators to the transverse mode structure and polarization states of the incident laser beam. The cases treated include plane and elliptically polarized, He-NE (632.8 nm) and He-Cd (441.6 nm) laser radiation in either a TEM00, TEM01 or TEM10 transverse mode. For modes higher than TEM00 a significant decrease in efficiency/bandwidth occurs. The effect of power fluctuations associated with the principal polarization components of internal mirror gas laser output beams is also evaluated. Such effects present severe problems in the case of He-Ne laser beam modulation, but are less serious for He-Cd lasers. Several experimental measurements which confirm the general validity of the analyses are also described.

Citation Download Citation

J. A. Lucero, J. A. Duardo, and R. V. Johnson "The Effect Of Laser Beam Transverse Mode And Polarization Properties On A-O Modulator Performance", Proc. SPIE 0090, Acousto-Optics: Device Development/Instrumentation/Applications, (30 December 1976); https://doi.org/10.1117/12.955049

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