1 September 1990 Optically rotated long time aperture TeO2 Bragg cell
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Abstract
Rotation of the incident optical beam in Te02 allows selection of the tangential AO interaction to achieve higher efficiency-bandwidth product. This interaction mode results in improved diffraction efficiency by having a longer interaction length, an increase in the two-tone dynamic range, and allows for the use of linear laser polarization. A detailed analysis shows the distinction between the Z axis incident wave and the rotated incident wave in phase mismatch conditions and the efficiency bandwidth relationship. Two devices were fabricated with the following characteristics: aperture time of 70 microseconds with 30 MHz bandwidth; and aperture time of 50 microseconds with 40 MHz bandwidth. A brief result of the phase mismatch analysis, design of the devices, and measurements of the performance compared against theory are presented.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Eddie H. Young, Huey C. Ho, and Lorna J. Harrison "Optically rotated long time aperture TeO2 Bragg cell", Proc. SPIE 1296, Advances in Optical Information Processing IV, (1 September 1990); doi: 10.1117/12.21275; https://doi.org/10.1117/12.21275
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