Formation of periodic structures on glass with laser irradiation

Ying Zi Peng; Cheng Wu An; Dong Jiang Wu; Ming Hui Hong; Yong Feng Lu; Tow Chong Chong

doi:10.1117/12.479847

17 October 2003 Formation of periodic structures on glass with laser irradiation

Ying Zi Peng, Cheng Wu An, Dong Jiang Wu, Ming Hui Hong, Yong Feng Lu, Tow Chong Chong

Proceedings Volume 4977, Photon Processing in Microelectronics and Photonics II; (2003) https://doi.org/10.1117/12.479847
Event: High-Power Lasers and Applications, 2003, San Jose, CA, United States

Abstract

Regular and tidy periodic structures hae 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.

Citation Download Citation

Ying Zi Peng, Cheng Wu An, Dong Jiang Wu, Ming Hui Hong, Yong Feng Lu, and Tow Chong Chong "Formation of periodic structures on glass with laser irradiation", Proc. SPIE 4977, Photon Processing in Microelectronics and Photonics II, (17 October 2003); https://doi.org/10.1117/12.479847

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