12 November 1986 CO2 Laser Processing Of Glass And Single Crystal Fibers
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Abstract
This paper reviews CO2 laser processing of glass and single crystal fibers. For such applications it is necessary to restructure the laser beam and uniformly distribute it around a rod. A reflaxicon system using a concave conical axicon as the first reflector has been described. An interesting feature of this scheme is that the radiation intensity profile is similar to the shape of the neck down region observed in fiber drawing and the single crystal growth process. This provides a more uniform temperature distribution in the laser irradiated region. Analysis of a simple model and experimental results show that the short heat zone length and the corresponding radial temperature gradients limit the preform size and fiber drawing speed. However these very features are beneficial in fabricating fiber based components, drawing of fibers from glasses prone to devitrification, and the growth of single crystal fibers.
© (1986) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
M A Saifi, M A Saifi, M J Andrejco, M J Andrejco, } "CO2 Laser Processing Of Glass And Single Crystal Fibers", Proc. SPIE 0668, Laser Processing: Fundamentals, Applications, and Systems Engineering, (12 November 1986); doi: 10.1117/12.938897; https://doi.org/10.1117/12.938897
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