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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 3, Iss. S1 — Aug. 28, 2005
  • pp: S200–S202

Femtosecond laser microfabrication of micro-optic elements in glass

Yan Li, Hongbing Jiang, Hong Yang, and Qihuang Gong  »View Author Affiliations


Chinese Optics Letters, Vol. 3, Issue S1, pp. S200-S202 (2005)


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Abstract

Micro-optic elements have been fabricated in silica and soda-lime glass with femtosecond laser pulses. The dependence of refractive index change on pulse duration, pulse energy and scan passes is investigated and a Fresnel zone plate is induced. A permanent computer-generated hologram encoded by the detour phase method is directly written by microexplosion. The stored image is reconstructed with a collimated He-Ne laser beam. Three-dimensional microchannels are drilled by water-assisted ablation. At low incident pulse energy, only one transverse microhole is observed. At high incident pulse energy, multiple transverse microholes are simultaneously drilled.

© 2005 Chinese Optics Letters

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

Citation
Yan Li, Hongbing Jiang, Hong Yang, and Qihuang Gong, "Femtosecond laser microfabrication of micro-optic elements in glass," Chin. Opt. Lett. 3, S200-S202 (2005)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-3-S1-S200

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