Laser ablative figuring of optical elements for phase control

Takahisa Jitsuno; Keiu Tokumura; Masahiro Nakatsuka

doi:10.1117/12.354193

23 July 1999 Laser ablative figuring of optical elements for phase control

Takahisa Jitsuno, Keiu Tokumura, Masahiro Nakatsuka

Author Affiliations +

Proceedings Volume 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion; (1999) https://doi.org/10.1117/12.354193
Event: Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, 1998, Monterey, CA, United States

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.

Citation Download Citation

Takahisa Jitsuno, Keiu Tokumura, and Masahiro Nakatsuka "Laser ablative figuring of optical elements for phase control", Proc. SPIE 3492, Third International Conference on Solid State Lasers for Application to Inertial Confinement Fusion, (23 July 1999); https://doi.org/10.1117/12.354193

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