Title :
Anomalous discharge mode in a kinetically-enhanced copper vapor laser: visualization by "Hook" method
Author :
Mildren, Richard P. ; Marshall, Graham D. ; Coutts, David W.
Author_Institution :
Centre for Lasers & Applications, Macquarie Univ., Sydney, NSW, Australia
fDate :
4/1/2005 12:00:00 AM
Abstract :
An anomalous discharge mode of a kinetically-enhanced copper vapor laser is reported. Under conditions of high-HCl density, the discharge makes an abrupt transition into a mode which is identified by a near field laser beam profile having a green (511 nm) central spot on a yellow (578 nm) background. Hook-method measurements reveal that a steep channel is produced in the radial Cu density profile, which forms a strong plasma lens duct for wavelengths nearby Cu resonance.
Keywords :
copper; discharges (electric); gas lasers; plasma density; plasma diagnostics; plasma instability; plasma light propagation; plasma temperature; Cu; anomalous discharge mode; high-HCl density; hook method; kinetically-enhanced copper vapor laser; near field laser beam profile; plasma lens duct; visualization; Copper; Density measurement; Laser beams; Laser modes; Laser transitions; Plasma density; Plasma measurements; Plasma waves; Visualization; Wavelength measurement; “hook” method; Copper vapor laser; gas lasers; lens duct; optical propagation plasma media;
Journal_Title :
Plasma Science, IEEE Transactions on
DOI :
10.1109/TPS.2005.845291
