Laser Ablative Shaping of Plastic Optical Components for Phase Control
Applied Optics, Vol. 38, Issue 15, pp. 3338-3342 (1999)
http://dx.doi.org/10.1364/AO.38.003338
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Abstract
A new scheme for phase control of optical components with laser ablation has been developed. One can ablate the surface shape of optical plastic material coated on a glass plate by using 193-nm laser light to control the transmission wave front. The surface shape is monitored in situ and corrected to attain the desired aberration level. The irradiation fluence is approximately 40 mJ/cm2, and the ablation depth/pulse is approximately 0.01 ?m/pulse for UV-cured resin. A wave-front aberration of 3.0 ? is reduced to 0.17 ? for flat surface shaping. For spherical surface generation, an aberration of 2.5 ? is reduced to 0.2 ?. The increase in surface roughness is kept within acceptable levels.
© 1999 Optical Society of America
[Optical Society of America ]
OCIS Codes
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.1000) Optical design and fabrication : Aberration compensation
(220.4610) Optical design and fabrication : Optical fabrication
Citation
Takahisa Jitsuno, Keiu Tokumura, Nobuaki Nakashima, and Masahiro Nakatsuka, "Laser Ablative Shaping of Plastic Optical Components for Phase Control," Appl. Opt. 38, 3338-3342 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-15-3338
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