H - Electricity – 01 – S
Patent
H - Electricity
01
S
345/34
H01S 3/22 (2006.01) H01S 3/03 (2006.01) H01S 3/041 (2006.01) H01S 3/08 (2006.01) H01S 3/0975 (2006.01)
Patent
CA 1249649
ABSTRACT A circular bore transversely excited gas discharge laser (10) is disclosed which may be con- structed and operated with no physical contact between the active discharge and the metal excitation electrode structure (14). The discharge is excited by RF in the frequency range 10 MHz to 1 OHz applied to a transverse metal electrode structure (14) designed to maintain a relatively uniform electric field in the discharge bore (12). The disclosed laser may be configured as a wave- guide laser or a large bore laser operating in a non- waveguide mode. A means for inductively coupling RF energy from a suitable RF energy source to the electrode struc- ture (14) and a means for attaching mirrors (15) to the discharge tube using no organic sealing material is disclosed. Without physical contact between the active discharge and the metal excitation electrode structure or organic sealants, long lifetime, superior laser per- formance, and capability for liquid cooling of the discharge tube is achieved.
464693
Gruber Carl L.
Willenbring Gerald R.
Minnesota Laser Corporation
Sim & Mcburney
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