Design of a double-pass shear mode acousto-optic modulator.

  title={Design of a double-pass shear mode acousto-optic modulator.},
  author={Chih‐Hao Chang and Ralf K. Heilmann and Mark L. Schattenburg and Paul E. Glenn},
  journal={The Review of scientific instruments},
  volume={79 3},
The design of a compact double-pass shear mode acousto-optic modulator for high power operation in the UV is presented. Using a spherical mirror retroreflector in the second pass to correct for beam deflection, changes in beam position and angle during frequency tuning can be eliminated. The use of the shear mode acousto-optic interaction offers several key advantages, but the strain-induced birefringence creates significant levels of spectral leakage in the system. These effects and the… 

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