CPC H01J 61/86 (2013.01) [H01J 61/0732 (2013.01); H01J 61/28 (2013.01); H01J 61/526 (2013.01); H05H 1/48 (2013.01)] | 14 Claims |
1. An arc lamp, comprising:
a tube:
one or more inlets configured to receive water to be circulated through the arc lamp during operation as a water wall, the water wall configured to cool the arc lamp;
a plurality of electrodes configured to generate a plasma in a forming gas introduced into the tube via the one or more inlets; and
the forming gas comprising a mixture of a hydrogen gas and an inert gas, the hydrogen gas in the mixture having a concentration less than 4% by volume, the hydrogen gas introduced into the arc lamp prior to generating the plasma,
wherein the plurality of electrodes comprises a tip and a heat sink at least partially around the tip, wherein the tip of at least one of the plurality of electrodes comprises tantalum hafnium carbide.
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