Application Of Wide Band Bragg Cells For Integrated Optic (IO) Spectrum Analyzers

R. L. Davis; F. S. Hickernell

doi:10.1117/12.933245

27 August 1982 Application Of Wide Band Bragg Cells For Integrated Optic (IO) Spectrum Analyzers

R. L. Davis, F. S. Hickernell

Proceedings Volume 0321, Integrated Optics II; (1982) https://doi.org/10.1117/12.933245
Event: 1982 Los Angeles Technical Symposium, 1982, Los Angeles, United States

Abstract

A 700 MHz bandwidth guided wave acoustooptic Bragg cell was developed for use in an integrated optic spectrum analyzer. Various configurations of multiple tilted SAW transducers were investigated theoretically and experimentally to find the most efficient combination which would provide a 700 MHz sub-octave acoustooptic bandwidth. Investigated were Bragg cells fabricated on Ti diffused LiNbO₃ waveguides as well as Ti diffused LiNbO₃ waveguides with Nb₂O₅ thin film overlays. A Bragg cell consisting of 6 tilted transducers was designed, fabricated, and tested, exhibiting 700 MHz bandwidth and 2.8%/RF watt diffraction efficiency. The Bragg cell operates between 775 MHz and 1475 MHz. Projections are made on the performance of an integrated optic spectrum analyzer utilizing this Bragg cell based on results obtained from an existing 200 MHz bandwidth spectrum analyzer.

Citation Download Citation

R. L. Davis and F. S. Hickernell "Application Of Wide Band Bragg Cells For Integrated Optic (IO) Spectrum Analyzers", Proc. SPIE 0321, Integrated Optics II, (27 August 1982); https://doi.org/10.1117/12.933245

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