Dynamic damping suppression of vibration-induced angular errors in critical beam-steering mirrors

Charles R. Tallman; Charles Martin; J. Ernest Griego; Stanley W. Moore; Richard W. Basinger; Leonard H. Stapf

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 1991),
paper CWM1

Dynamic damping suppression of vibration-induced angular errors in critical beam-steering mirrors

Charles R. Tallman, Charles Martin, J. Ernest Griego, Stanley W. Moore, Richard W. Basinger, and Leonard H. Stapf

Conference on Lasers and Electro-Optics 1991

Baltimore, Maryland United States
12–17 May 1991
ISBN: 1-55752-189-1

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Beam Deflection and Conditioning (CWM)

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C. R. Tallman, C. Martin, J. E. Griego, S. W. Moore, R. W. Basinger, and L. H. Stapf, "Dynamic damping suppression of vibration-induced angular errors in critical beam-steering mirrors," in Conference on Lasers and Electro-Optics, J. Bufton, A. Glass, T. Hsu, and W. Krupke, eds., Vol. 10 of OSA Technical Digest (Optica Publishing Group, 1991), paper CWM1.

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Abstract

The Aurora large aperture module (LAM) uses a 1.12 × 1.12 × 0.13 m Cervit mirror weighing >500 Kg. This mirror is supported in a cross-flexure mount attached to the rear of the LAM laser chamber. The LAM is double-passed by 96 (5-ns long) temporally multiplexed beamlets in order to extract energy for 480 ns of the 600- ns e-beam pumping duration. Pointing accuracy of this mirror is critical to successful target experiments.

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