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Proceedings Paper

Laser ablative figuring of optical elements for phase control
Author(s): Takahisa Jitsuno; Keiu Tokumura; Masahiro Nakatsuka
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Paper Abstract

A new scheme for the control of the phase of the optical component using laser ablation has been developed. The surface shape of optical plastic coated on a glass plate is ablated using 193 nm laser light to control the transmission wave front. The surface shape is monitored fluence is about 45 mJ/cm2, and the ablation depth per pulse is about 0.01 micrometers per pulse. Flat and spherical surfaces are generated using this method to reach the wave front distortion of 0.2 (lambda) . Micro-lenses for the control of the beam profile of the laser diode has been tried.

Paper Details

Date Published: 23 July 1999
PDF: 4 pages
Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); doi: 10.1117/12.354193
Show Author Affiliations
Takahisa Jitsuno, Osaka Univ. (Japan)
Keiu Tokumura, Nippon Aspheric Lens Co., Ltd. (Japan)
Masahiro Nakatsuka, Osaka Univ. (Japan)


Published in SPIE Proceedings Vol. 3492:
Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion

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