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20 September 1999 Surface dynamics during laser polishing of glass
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Proceedings Volume 3822, Computer-Controlled Microshaping; (1999)
Event: Industrial Lasers and Inspection (EUROPTO Series), 1999, Munich, Germany
Laser heating of glass samples is a simple and versatile method for obtaining polished surfaces of optical quality. Since laser beam intensity non-uniformity can translate into significant variations in the induced surface temperature, the success of the laser surface-polishing process strongly depends on obtaining uniform intensity profiles or flat-top distributions at the sample plane. In this paper we present a comparison between large-area CO2 laser-polishing experiments carried out in optical glass substrates following two different approaches: (1) A reshaped beam obtained by an active integration method is swept over the glass surface. (2) A static beam reshaped by means of both a multifaceted mirror and a square pipe light guide is applied.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Fidel Vega, Jesus Armengol Cebrian, Nuria Bas Lupon, and Ferran Laguarta "Surface dynamics during laser polishing of glass", Proc. SPIE 3822, Computer-Controlled Microshaping, (20 September 1999);


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