Awards
Marin Drinov medal
Kiril and Methodi medal
Institute of Solid State Physics sign
Reports
M. Stefanova, P. Pramatarov, Y. Pacheva, Population inversion of arii laser levels in the hollow cathode he-ar discharge, Proceedings of SPIE - The International Society for Optical Engineering (473) 311–312 (1985)
Chair of the XI National Conference on Atomic Spectroscopy with International Participation, Varna, 24-27 September 1986
Y. Pacheva, P. Pramatarov, M. Stefanova, On the laser generation in noble gas mixtures in a d.c. hollow cathode discharge, XI National Conference on Atomic Spectroscopy International Participation, Contributed Papers, Varna, 24-27 September 1986, p. 76-81
Publication
D. Zechev, R. Djulgerova, Y. Pacheva, The profile of the Fe 372·00 nm line excited in a hollow cathode discharge, Journal of Quantitative Spectroscopy and Radiative Transfer, 15 (10) 941–944 (1975)
R. Djulgerova, D. Zechev, Y. Pacheva, S. Rashev, On The Populations of Neon Levels in The Low Temperature Plasma of A Hollow Cathode Discharge, Spectroscopy Letters, 8 (12) 1001–1008 (1975)
Y. Pacheva, M. Stefanov, P. Pramatarov, Cw laser oscillations on the Kr II 4694 Å and Kr II 4318 Å lines in a hollow-cathode He-Kr discharge, Optics Communications, 27 (1) 121–122 (1978)
Y. Pacheva, P. Pramatarov, M. Stefanov, Laser generation on the ArII4765Å lne in a He-Ar hollow cathode discharge, Optics Communications, Volume 31 (2) 203-205 (1979)
M. Stefanova, P. Pramatarov, Y. Pacheva, Investigations on a CW HeKr hollow cathode laser, Physics Letters A, 76 (3-4) 240–242 (1980)
M. Stefanova, P. Pramatarov, Y. Pacheva, L. Csillag, HeKr laser with transverse hollow cathode discharge, Physics Letters A, 81 (1) 23–26 (1981)
M. Stefanova, P. Pramatarov, Y. Pacheva, Laser generation on CuII, KrII, ArII and NeI lines in water-cooled helical hollow cathode discharge, Revue roumaine de physique, 31 (9-10) 923–927 (1986)
M. Stefanova, P. Pramatarov, Y. Pacheva, Laser generation on CuII, KrII, ArII and NeI lines in a water-cooled helical hollow-cathode discharge, Physics Letters A, 114 (1) 5–8 (1986)
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