UV laser ablative figuring of precise optics

Keiu Tokumura; Takahisa Jitsuno; Masahiro Nakatsuka; Geun-Young Yoon; Hisashi Tamamura

doi:10.1117/12.376973

1 February 2000 UV laser ablative figuring of precise optics

Keiu Tokumura, Takahisa Jitsuno, Masahiro Nakatsuka, Geun-Young Yoon, Hisashi Tamamura

Proceedings Volume 3885, High-Power Laser Ablation II; (2000) https://doi.org/10.1117/12.376973
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

Abstract

The new method of surface shaping for optical plastics have been investigated using UV laser ablation on acrylic resin (PMMA) or ultraviolet (UV)-cured-resin. The surface figuring of optical flat was obtained with direct beam irradiated ablation with ArF laser. The depth of the figuring was determined with the measurement of wave front distortion on the optics using interferogram. The ablated surface had small surface roughness. The miniature size optics such as the collimate lens for a diode laser (LD) was fabricated on flat PMMA at using the focusing beam irradiation. The wave front of LD light through the LD lens was measured with Shach-Hartmann sensor. The wave front control for LD light was carried out with the measured wave front data by the laser ablation on the LD lens surface. The collimated LD light has been obtained.

Citation Download Citation

Keiu Tokumura, Takahisa Jitsuno, Masahiro Nakatsuka, Geun-Young Yoon, and Hisashi Tamamura "UV laser ablative figuring of precise optics", Proc. SPIE 3885, High-Power Laser Ablation II, (1 February 2000); https://doi.org/10.1117/12.376973

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