H - Electricity – 01 – S
Patent
H - Electricity
01
S
345/38
H01S 3/22 (2006.01) H01S 3/038 (2006.01) H01S 3/0971 (2006.01)
Patent
CA 1231424
Abstract of the Disclosure: A transversely excited gas laser, includes: an elongated gas-filled discharge chamber having an optical axis; a main cathode electrode and a main anode electrode extended along the optical axis in the discharge chamber defining a main discharge space between the main cathode and main anode electrodes through which the optical axis extends, the main electrodes border- ing two sides of the main discharge space leaving two other sides open; two pairs of auxiliary electrodes each being extended parallel to the optical axis in vicinity of a respective one of the open sides of the main discharge space and mutually spaced apart by a given distance, each of the auxiliary electrodes including a con- ductor and a dielectric shell surrounding the conductor, each of the auxiliary electrodes being spaced from all of the other elec- trodes by a set breakdown distance; and a driving unit connected to the electrodes,the driving unit supplying different potentials to the main cathode and main anode electrodes producing a main electric discharge therebetween during operation of the gas laser, and the driving unit supplying dif- ferent potentials to the pairs of auxiliary electrodes causing a corona discharge preionizing the gas in the main discharge space to take place therebetween across the given distance during opera- tion of the gas laser.
451915
Brumme Gerhard
Grage Ludger
Heynisch Hinrich
Hubner Erwin
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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