Formation of periodic structures on glass with laser irradiation

Y. Z. Peng, C. W. An, D. J. Wu, M. H. Hong, Y. F. Lu, T. C. Chong

Research output: Contribution to journalConference article

Abstract

Regular and tidy periodic structures have been directly induced on glasses using a CW CO2 laser beam with linear polarization. It is experimentally shown that precise periodic structures with the period of several microns can be formed by means of well-set laser parameters. The orientation of the periodic structures formed is the same as that of the laser polarization no matter what the scanning direction is. The occurrence of periodic structures is very sensitive to laser power level and scanning velocity. To obtain appropriate periodic patterns, a combined condition of laser energy and scanning velocity must be satisfied. The period, width and height of the structures are dependent on processing parameters. An interesting phenomenon is that the period decreases with increasing scanning velocity. Permanent relieves with periods, widths and heights varied with the laser parameters are also studied.

Original languageEnglish (US)
Pages (from-to)439-447
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4977
DOIs
StatePublished - 2003
EventPROCEEDINGS OF SPIE SPIE - The International Society for Optical Engineering: Photon Processing in Microelectronics and Photonics II - San Jose, CA, United States
Duration: Jan 27 2003Jan 30 2003

Keywords

  • Glass
  • Laser fabrication
  • Periodic structures

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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