H - Electricity – 01 – S
Patent
H - Electricity
01
S
345/38, 345/55
H01S 3/22 (2006.01) H01S 3/03 (2006.01) H01S 3/0975 (2006.01)
Patent
CA 1198199
IMPROVED ELONGATED CHAMBERS FOR USE IN COMBINATION WITH A TRANSVERSELY EXCITED GAS LASER ABSTRACT OF THE DISCLOSURE The present invention is an improved laser bore and electrode structure including an elongated chamber for use in combination with a gas laser within which a laser gas is disposed. The laser also includes first and second reflectors which reflect light energy from the laser gas discharge within the elongated chamber so that the light energy travels longitudinally the length of the elongated chamber and first and second electrodes which transversely excite the laser gas. Each of the electrodes is formed from an electrically conductive material and they are disposed op- posing each other. An energy generator applies a voltage of alternating polarity between the first and second electrodes at a frequency ranging from 10 Mhz to about 3 GHz to establish a laser gas discharge in the laser gas. A coupling network matches the steady state impedance of the elongated chamber to the impedance of the energy generator and couples the first electrode to the second electrode in order to cancel the pre-ignition reactive impedance of the elongated chamber, the first impedance-matching network coupling the first and second electrodes and the second impedance-matching network to the energy generator. The improved laser bore and electrode structure includes an elongated chamber which is in the shape of a four pointed star and which is of cross-sectional dimensions suitable for confining a laser gas discharge. The elongated chamber is formed from a dielectric material. -1-
433434
Riches Mckenzie & Herbert Llp
Sutter Leroy V. Jr.
LandOfFree
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