Plasma Diagnostics of a Capillary Plasma Channel for Laser Guiding

We demonstrated the production of an optical waveguide in a capillary discharge-produced plasma using a cylindrical capillary. Plasma parameters of its waveguide were characterized by use of both a Normarski laser interferometer and a hydrogen plasma line spectrum. A space-averaged maximum temperatu...

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Hauptverfasser:	Terauchi, Hiromitsu, Higashiguchi, Takeshi, Yugami, Noboru, Bobrova, Nadezhda A
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY BLOOD VESSELS BODY CAPILLARIES Capillarity CARDIOVASCULAR SYSTEM CHARGE-COUPLED DEVICES CURRENTS ELECTRIC CURRENTS ELECTRIC DISCHARGES ELECTROMAGNETIC RADIATION ELECTRON DENSITY ELECTRON TEMPERATURE ELEMENTS ENERGY RANGE EV RANGE HYDROGEN INTERFEROMETERS LASERS MEASURING INSTRUMENTS NONMETALS ORGANS PLASMA PLASMA DIAGNOSTICS RADIATIONS SEMICONDUCTOR DEVICES VISIBLE RADIATION WAVEGUIDES
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Beschreibung
Zusammenfassung:	We demonstrated the production of an optical waveguide in a capillary discharge-produced plasma using a cylindrical capillary. Plasma parameters of its waveguide were characterized by use of both a Normarski laser interferometer and a hydrogen plasma line spectrum. A space-averaged maximum temperature of 3.3 eV with electron densities of the order of 1017 cm-3 was observed at a discharge time of 150 ns and a maximum discharge current of 200 A. An ultrashort, intense laser pulse was guided by use of this plasma channel.
ISSN:	0094-243X 1551-7616
DOI:	10.1063/1.3520321