Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/40790
Title: Characteristics of gas breakdown in hollow-core fibers
Authors: Shi, X
Wang, XB
Jin, W 
Demokan, MS
Keywords: Argon
Capillaries
Gases
Helium
Issue Date: 2007
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, 2008, v. 7004, 70042E How to cite?
Journal: Proceedings of SPIE : the International Society for Optical Engineering 
Abstract: We succeeded in obtaining gas discharge in 250, 150, and 50μm bore-diameter hollow-core fibers by using longitudinal DC excitation. Stable glow discharges of at least several minutes were observed for these hollow-core fibers, and a flash glow was also observed for a hollow-core capillary with a diameter of ~20μm. Breakdown of helium and argon gases in a 26.2cm-length 250μm-inner-diameter hollow-core fiber was achieved with a voltage of less than 30kV. Breakdown voltages of helium and argon gases were measured for various bore-sizes, fiber-lengths, and a pressure range of from below 1 to 50 Torr. Experimental results deviated from previous theoretical models and further theoretical and experimental investigations are needed to understand the unique characteristics of gas-discharge in miniature capillaries with bore-diameter below 250μm.
Description: 19th International Conference on Optical Fibre Sensors, Perth, Australia, 15-18 April 2008
URI: http://hdl.handle.net/10397/40790
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.785973
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