Hollow cathode glow discharge ring laser block and electrode...

Details Hollow cathode glow discharge ring laser block and electrode... Hollow cathode glow discharge ring laser block and electrode...

G - Physics

01

C

345/10

G01C 19/64 (2006.01) G01C 19/66 (2006.01) H01S 3/083 (2006.01)

Patent

CA 1299711

64159-1046 A B S T R A C T A ring laser utilizing a gas impervious block con- taining at least three tunnels which meet to form a closed- loop, gas containing, cavity and allow passage of laser beams therethrough. A pair of electrodes are positioned in alignment with one of the tunnels, and positioned relative to each other to support a current through the gas and establish a glow dis- charge region within a portion of one of the tunnels to induce a pair of counter-propagating laser beams to propagate through the established glow discharge region in a direction transverse to the direction of the discharge current and thereby establish a pair of counter-propagating laser beams. The laser block is slotted to receive a mated anode-cathode pair of electrodes in which the cathode is slotted to receive a tongue shaped member of the anode.

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