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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 15 — May. 20, 1999
  • pp: 3338–3342

Laser ablative shaping of plastic optical components for phase control

Takahisa Jitsuno, Keiu Tokumura, Nobuaki Nakashima, and Masahiro Nakatsuka  »View Author Affiliations


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 µm/pulse for UV-cured resin. A wave-front aberration of 3.0 λ is reduced to 0.17 λ for flat surface shaping. For spherical surface generation, an aberration of 2.5 λ is reduced to 0.2 λ. The increase in surface roughness is kept within acceptable levels.

© 1999 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

History
Original Manuscript: May 15, 1998
Revised Manuscript: November 13, 1998
Published: May 20, 1999

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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