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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 3 — Feb. 10, 2003
  • pp: 191–198

Fabrication and evaluation of a diamond diffractive fan-out element for high power lasers

M. Karlsson and F. Nikolajeff  »View Author Affiliations


Optics Express, Vol. 11, Issue 3, pp. 191-198 (2003)
http://dx.doi.org/10.1364/OE.11.000191


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Abstract

Fabrication and evaluation of diamond binary diffractive fan-out elements is demonstrated. The diffractive optical elements (DOEs) are designed for two different wavelengths, 633 nm and 10.6 µm. The DOE splits an incident beam into 16 spots that form a ring pattern. The surface reliefs were fabricated by photolithographic methods followed by plasma etching, which produced well-defined patterns with smooth surfaces. One DOE was optically evaluated with a HeNe laser, operating at a wavelength of 633 nm, and showed good performance. The DOE designed for a wavelength at 10.6 µm was tested together with a carbon dioxide laser. The light pattern was used to microstructure a 10 mm thick PMMA piece with very good results.

© 2002 Optical Society of America

OCIS Codes
(050.1380) Diffraction and gratings : Binary optics
(050.1970) Diffraction and gratings : Diffractive optics
(140.3470) Lasers and laser optics : Lasers, carbon dioxide
(220.4000) Optical design and fabrication : Microstructure fabrication

ToC Category:
Research Papers

History
Original Manuscript: January 6, 2003
Revised Manuscript: January 20, 2003
Published: February 10, 2003

Citation
Mikael Karlsson and F. Nikolajeff, "Fabrication and evaluation of a diamond diffractive fan-out element for high power lasers," Opt. Express 11, 191-198 (2003)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-11-3-191


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References

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  6. J. Bengtsson, �??Design of fan-out kinoforms in the entire scalar diffraction regime with an optimal-rotationangle method,�?? Appl. Opt. 36, 8435-8444 (1997). [CrossRef]

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