Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10624
Title: Investigation of glow discharge of gas in hollow-core fibers
Authors: Shi, X
Wang, XB
Jin, W 
Demokan, MS
Issue Date: 2008
Publisher: Springer
Source: Applied physics. B, Lasers and optics, 2008, v. 91, no. 2, p. 377-380 How to cite?
Journal: Applied physics. B, Lasers and optics 
Abstract: For the purpose of constructing novel waveguide gas lasers based on hollow-core fibers, we carried out a series of discharge experiments and succeeded in obtaining sustained glow discharge of gas in a 150-μm-inner- diameter (i.d.) hollow-core fiber with the length of 13.7 cm and in a 50-μm-i.d. hollow-core fiber with the length of 2.9 cm by using longitudinal direct current excitation. A flash glow is also observed in hollow-core photonic bandgap fiber with 20-μm i.d. and 2.6-cm length. Initial measurements of current-voltage (I-V) characteristics have been carried out for fibers of various hollow-core sizes filled with various gases at different pressures. Theoretical I-V characteristics are presented and compared with experimental results. Gas discharges in miniature-bore hollow-core fibers were found to exhibit unique characteristics that are different from the traditional larger-bore-diameter tubes. The glow-discharge spectrum of helium gas in a 150-μm-i.d. and 8-cm-length hollow-core fiber is also presented.
URI: http://hdl.handle.net/10397/10624
ISSN: 0946-2171
EISSN: 1432-0649
DOI: 10.1007/s00340-008-3007-5
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