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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 16 — Aug. 8, 2005
  • pp: 5939–5946

Microchannel fabrication in PMMA based on localized heating by nanojoule high repetition rate femtosecond pulses

Daniel Day and Min Gu  »View Author Affiliations

Optics Express, Vol. 13, Issue 16, pp. 5939-5946 (2005)

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Microchannels are fabricated in a poly(methyl methacrylate) substrate by high repetition rate, nanojoule femtosecond laser pulses. The mechanism for channel fabrication is based on the localized heating of the substrate due to the high repetition rate of the laser, resulting in smooth walled cylindrical channels. Microchannels with diameters of 8 – 20 μm can be fabricated at 800 μm/s using 80 fs pulses at a repetition rate of 80 MHz and energy of 0.9 nJ/pulse.

© 2005 Optical Society of America

OCIS Codes
(140.3390) Lasers and laser optics : Laser materials processing
(220.4000) Optical design and fabrication : Microstructure fabrication
(320.2250) Ultrafast optics : Femtosecond phenomena

ToC Category:
Research Papers

Original Manuscript: May 12, 2005
Revised Manuscript: July 6, 2005
Published: August 8, 2005

Daniel Day and Min Gu, "Microchannel fabrication in PMMA based on localized heating by nanojoule high repetition rate femtosecond pulses," Opt. Express 13, 5939-5946 (2005)

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