T. Chernogorova, K. Temelkov, S. Slaveeva, N. Vuchkov, Determination of spatially- and time-resolved electron temperature in nanosecond pulsed longitudinal discharge used for excitation of powerful gas discharge lasers, Proceedings of SPIE, 18th International School on Quantum Electronics, Laser Physics and Applications, edited by Tanja Dreischuh,Sanka Gateva, Alexandros Serafetinides (Vol. 9447) (2015)

K. Temelkov, N. Vuchkov, A Simple Method for Experimental Determination of Electron Temperature and Electron Density in Nanosecond Pulsed Longitudinal Discharge Used for Excitation of High-Power Lasers, IEEE Transactions on Plasma Science, 42 (12) 3938-3941 (2014)

T. Chernogorova, K. Temelkov, N. Koleva, N. Vuchkov, 2D numerical modeling of the gas temperature in a high-temperature high-power strontium atom laser excited by nanosecond pulsed longitudinal discharge in a He-SrBr2 mixture, 18th International Summer School on Vacuum, Electron and Ion Technologies, Journal of Physics, Conference Series (514) 012060 (2014)

A. Soldatov, N. Sabotinov, E. Latush, G. Chebotarev, N. Vuchkov, N. Yudin, Strontium and Calcium Vapour Lasers, Istpart, M. Drinov (2013)

K. Temelkov, S. Slaveeva, N. Vuchkov, An experimental study on discharge parameters of high-power Ne-Cu+, He-Hg+ and He-Sr+ lasers excited in nanosecond pulsed longitudinal discharge, Proc. of SPIE, 8770 art. 87701-87707 (2013)

T. Chernogorova, K. Temelkov, N. Koleva, N. Vuchkov, 2D numerical modeling of gas temperature in large-volume Sr laser excited in nanosecond pulsed longitudinal He-SrBr2 discharge, IEEE Transactions on Plasma Science, 41(10) p. 3043-3047 (2013)

K. Temelkov, S. Slaveeva, V. Kirilov, I. Kostadinov, N. Vuchkov, High-power metal halide vapour lasers oscillating in deep ultraviolet, visible and middle infrared spectral ranges, Physica Scipta 149 014015 (2012)

F. Gubarev, G. Evtushenko, N. Vuchkov, V. Sukhanov, D. Shiyanov, Modelling technique of capacitive discharge pumping of metal vapor lasers for electrode capacitance optimization, Review Of Scientific Instruments (83) 055111 (2012)

S. Slaveeva, K. Temelkov, N. Vuchkov, A study on plasma parameters of He and Ne-He nanosecond pulsed longitudinal discharge for high-temperature large-volume tube, Comptes Rendus de l’Acadйmie Bulgare des Sciences 65 (8) pp. 1043-1048 (2012)

K. Temelkov, V. Kirilov, I. Kostadinov, N. Vuchkov, Laser Systems Oscillating in DUV and Visible Spectral Ranges for High-precision Material Processing, Comptes Rendus del’Academie Bulgare des Sciences 65 (7) p. 899-904 (2012)

I. Iliev, S. Gocheva-Ilieva, K. Temelkov, N. Vuchkov, N. Sabotinov, Multivariate Statistical Analysis in Planning Experiments for a New Strontium Bromide Vapour Laser, International Journal of Optoelectronic Engineering 2(1) p. 10-16 (2012)

S. Slaveeva, K. Temelkov, N. Vuchkov, Analytical calculation of gas temperature measurement of average and time-resolved electron temperature for gas discharge in binary gas mixtures of He and Ne, Journal of Physics: Conference Series 356, p. 012011-012014 (2012)

K. Temelkov, N. Vuchkov, High-Power SrBr2 Vapour Laser, Bulgarian Journal of Physics 39, p. 165-177, (2012)

T. Chernogorova, K. Temelkov, N. Koleva, N. Vuchkov, 2D numerical modeling of gas temperature in large-volume high-temperature nanosecond pulsed longitudinal discharge in helium with small admixtures of neon, strontium and bromine, Journal of Physics: Conference Series, 356, 012012, (2012)

K. Temelkov, S. Slaveeva, N. Vuchkov, L. Lyutov, N. Sabotinov, Determination of Gas and Electron Temperatures for a Powerful MIR He-SrBr2 Laser Excited in Nanosecond Pulsed Longitudinal Discharge, in Proc. of SPIE, vol. 7751, art. 77510P (2011)

K. Temelkov, S. Slaveeva, L. Lyutov, N. Vuchkov, Influence of some gaseous additives on gas-discharge parameters and laser performance of a volume-scaled MIR He-SrBr2 laser, Proc. of SPIE Vol. 7747, 77471M, (2011)

I. Iliev, S. Gocheva-Ilieva, K. Temelkov, N. Vuchkov, N Sabotinov, An improved radial temperature model of a high-powered He-SrBr2 laser, Optics & Laser Technology, Volume 43, Issue 3, April, p. 642-647 (2011)

K. Temelkov, S. Slaveeva, N. Vuchkov, Analytical calculation of gas temperature and experimental determination of electron temperature in gas discharge in Ne-He mixtures, IEEE Transactions on Plasma Science, Volume: 39 Issue: 3, p. 831 – 835 (2011)

J. Mouchovski, K. Temelkov, N. Vuchkov, The growth of mixed alkaline-earth fluorides for laser host applications, Progress in Crystal Growth and Characterization of Materials, vol. 57, No. 1, p. 1-41 (2011)

I. Iliev, S. Gocheva-Ilieva, K. Temelkov, N. Vuchkov, N. Sabotinov, Temperature Model of a New High-powered SrBr2 Laser, AIP Conference Proceedings 1301, 138-145, (2010)

K. Temelkov, N. Vuchkov , I. Freijo-Martin, R. Ekov, Analytical calculation of the gas temperature and measurement of the electron temperature for gas discharges in Ne and He mixtures with copper, bromine, hydrogen and strontium, Journal of Physics: Conference Series 223(1), art. No. 012004, (2010)

K. Temelkov, N. Vuchkov, I. Freijo-Martin, R. Ekov, Theoretical and experimental determination of gas and electron temperatures for gas discharges in Ne and He mixtures with copper, bromine,hydrogen and strontium, Journal of Physics D: Applied Physics 43, 075206 (2010)

K. Temelkov, N. Vuchkov, I. Freijo-Martin, E. Atanassov, R. Ekov, N. Sabotinov, Determination of Thermal Conductivities and Gas Temperature Distribution for Gas Discharges in Ne and He mixtures with Hydrogen, Copper and Bromine, in Proc. of 36th EPS Conference on Plasma Physics ECA Vol. 33E, P-2.132, (2009)

S. Gocheva-Ilieva, I. Iliev, K. Temelkov, N. Vuchkov, N. Sabotinov, Classifying the Basic Parameters of Ultraviolet Copper Bromide Laser, AIP Conf. Proc., CP1186, p. 413-420, (2009)

J. Mouchovski, K. Temelkov, N. Vuchkov, N. Sabotinov, Simultaneous growth of high quality Ca1-xSrxF2 boules by optimized Bridgman-Stockbarger apparatus. Reliability of light-transmission measurement, Bulgarian Chemical Communications, vol. 41, No. 3, p. 253–260 (2009)

I. Iliev, S. Gocheva-Ilieva, K. Temelkov, N. Vuchkov, N. Sabotinov, Analytical model of temperature profile for a He-SrBr2 laser, Journal of Optoelectronics and Advanced Materials (JOAM), vol. 11, ISS. 11- 2009, p. 1735 – 1742 (2009)

I. Iliev, S. Gocheva-Ilieva, K. Temelkov, N. Vuchkov, N. Sabotinov, Modeling of the Radial Heat Flow and Cooling Processes in a Deep Ultraviolet Cu+ Ne-CuBr Laser, Mathematical Problems in Engineering, vol. 2009, Article ID 582732, 16 pages (2009)

L. Chen, B. Pan, Y. Wang, K. Temelkov, N. Vuchkov, He–SrCl2 vapor laser excited by Blumlein discharge circuit,Optics Communications, vol. 282, No.19, p. 3953-3956 (2009)

J. Mouchovski, K. Temelkov, N. Vuchkov, N. Sabotinov, Calciumstrontium fluoride crystals with different composition for UV-laser application: control of growing rate and optical properties, Compt. Rend., 62, No. 6, p. 687-694 (2009)

M. Ilieva, A. Stoyanova, V. Tsakova, N. Vuchkov, K. Temelkov, W. Erfurth, N. Sabotinov, Effect of deep UV laser treatment on electroless silver precipitation on poly-3,4-ethylenedioxythiophene, Journal of Optoelectronics and Advanced Materials (JOAM), Vol. 11, ISS.10- 2009, p. 1444 – 1447 (2009)

K. Temelkov, N. Vuchkov, B. Mao, E. Atanassov, L. Lyutov, N. Sabotinov, High-power Sr atom laser excited in nanosecond pulsed longitudinal He-SrBr2 discharge, IEEE J. of Quantum Electronics, vol. 45, No. 3, pp. 278-281 (2009)

K. Temelkov, N. Vuchkov, I. Freijo-Martin, A. Lema, L. Lyutov, N. Sabotinov, Experimental study on the spectral and spatial characteristics of a high-power He–SrBr2 laser, J. of Phys. D: Appl. Phys., 42, 115105 (2009)

J. Mouchovski, K. Temelkov, N. Vuchkov, N. Sabotinov, Laser grade CaF2 with controllable properties: growing conditions and structural imperfection, Journal of Physics D: Applied Physics, 40, 24, 2007, 7682

K. Temelkov, N. Vuchkov, N. Sabotinov, Experimental and theoretical determination of cross sections and rate constants for charge transfer population of some excited Ag+, I +, and Cu+ levels, Journal of Physics: Conference Series, 63, 1, IOP Publishing Ltd, 2007, 012017

K. Temelkov, N. Vuchkov, B. Pan, N. Sabotinov, B. Ivanov, L. Lyutov, Strontium bromide vapor laser excited by a nanosecond pulsed longitudinal discharge. Proceedings of SPIE - The International Society for Optical Engineering, 6604, art. no. 660410 (2007) 6604, The International Society for Optical Engineering

A. Bogaerts, K. Temelkov, N. Vuchkov, R. Gijbels, Calculation of rate constants for asymmetric charge transfer, and their effect on relative sensitivity factors in glow discharge mass spectrometry. Spectrochimica Acta - Part B Atomic Spectroscopy, 62, 4, 2007, 325-336

Ilieva, M., Tsakova, V., Vuchkov, N. K., Temelkov, K. A., Sabotinov, N. V.. UV copper ion laser treatment of poly-3,4-ethylenedioxythiophene. Journal of Optoelectronics and Advanced Materials, 9, 2, 2007, 303-306

K. Temelkov, N. Vuchkov, N. Sabotinov, Cross sections and rate constants for charge transfer into excited states. Plasma Processes and Polymers, 3, 2, 2006, 147-150

K. Beev, Temelkov, K., Vuchkov, N., Petrova, Tz., Dragostinova, V., Stoycheva-Topalova, R., Sainov, S., Sabotinov, N. Optical properties of polymer films for near UV recording. Journal Optoelectronics and Advanced Materials, 7, 3, 2005

N. Vuchkov, Temelkov, K., Sabotinov, N. Effect of hydrogen on the average output power of the UV Cu+ Ne-CuBr laser. IEEE Journal of Quantum Electronics, 41, 1, 2005, 62-65

N. Vuchkov, K. Temelkov, P. Zahariev, N. Sabotinov. Output parameters and a spectral study of UV Cu+ Ne–CuBr laser. Optics & Laser Technology, 36, 2004, 19-25

E. Skordeva, D. Arsova, Z. Aneva, N. Vuchkov, D. Astadjov. Laser-induced photodarkening and photobleaching in Ge-As-S thin films. Proc. of SPIE, 4397, SPIE, 2001

V. Stoilov, D. Astadjov, N. Vuchkov, N. Sabotinov, High spatial intensity 10 W-CuBr laser with hydrogen additives. Optical and Quantum Electronics, 32, 11, 2000, 1209-1217

D. Astadjov, K. Dimitrov, D. Jones, V. Kirkov, C. Little, N. Sabotinov, N. Vuchkov, Copper bromide laser of 120W average output power. IEEE Journal of Quantum Electronics, 33, 5, IEEE, 1997, 705-709

D. Astadjov, K. Dimitrov, D. Jones, V. Kirkov, L. Little, C. Little, N. Sabotinov, N. Vuchkov, Influence on operating characteristics of scaling sealed-off CuBr lasers in active length.. Optics Communications, 135, 4-6, Elsevier, 1997, 289-294.

N. Vuchkov, D. Astadjov, N. Sabotinov, Influence of the excitation circuits on the CuBr laser performance, IEEE Journal of Quantum Electronics, 30, 3, 1994, 750-758

N. Sabotinov, N. Vuchkov, D. Astadjov, Effect of hydrogen in the CuBr- and CuCl- vapor lasers, Optics Communications 95, 1-3, 55-6, 1-3, 95, Elsevier, 1993, 55-56