Efficient fabrication of fused-fiber biconical taper structures by a scanned CO2 laser beam technique

被引：14
|
作者：
Bayle, F [1 ]
Meunier, JP [1 ]
机构：
[1] Univ St Etienne, CNRS, UMR 5516, F-42000 St Etienne, France
来源：
APPLIED OPTICS | 2005年 / 44卷 / 30期
关键词：
D O I：
10.1364/AO.44.006402
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The driving mechanism of a scanning mirror can cause significant impairment of expanded beam properties, which we investigated for several scanning waveforms. Engineering on the scanning waveform is then carried out by a scanned CO2 laser beam technique to enlarge the uniform heating region for stretching and sintering of silica fibers. Details of the derivation are given. A simple thermal model is presented to account for the relationship between the scanning beam profile and the taper shape. Fusion profiles are also compared for various scanning waveforms. The corresponding scanned beam power distributions are determined experimentally, which enables us to determine precise power density conditions for CO2 laser fusion. (c) 2005 Optical Society of America
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页码：6402 / 6411
页数：10
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