D.C. Hollow Cathode He-Kr Ion Laser

M. Janossy; K. Rozsa; P. Apai; L. Csillag

doi:10.1117/12.942417

18 January 1985 D.C. Hollow Cathode He-Kr Ion Laser

M. Janossy, K. Rozsa, P. Apai, L. Csillag

Proceedings Volume 0473, Symposium Optika '84; (1985) https://doi.org/10.1117/12.942417
Event: Symposium Optika '84, 1984, Budapest, Hungary

Abstract

Laser oscillation was investigated at the 469.4 nm and 431.8 nm transitions of Kr II in a d.c. excited hollow cathode He-Kr discharge. A water-cooled discharge tube was used in the experiment with an active length of 40 cm and an inner diameter of 3 mm. The laser was operated at a maximum current of 4 A, voltage being 240 V. Optimum He and Kr partial pressures were found to depend on discharge current. A gain of 6.7%/m and an output power of 5 mW was measured at 469.4 nm. Single axial mode operation was observed without using any special mode selection technics.

Citation Download Citation

M. Janossy, K. Rozsa, P. Apai, and L. Csillag "D.C. Hollow Cathode He-Kr Ion Laser", Proc. SPIE 0473, Symposium Optika '84, (18 January 1985); https://doi.org/10.1117/12.942417

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