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Welcome Project PALS Lasers of DGL Scientific Staff Links Research Homepage Czech Version
 
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Given Name Josef
   
Family Name Krása
   
Position vědecký pracovník
   
Room No. 340
   
Phone +420-2-6605 2619
   
E-mail
   
 
   
Education
 

1979 RNDr. Matematicko-fyzikální fakulta KU, Praha
1976 CSc. (Ph.D.) Akademie Věd ČR (ČSAV), Praha
1969 Mgr. (M.S.) Matematicko-fyzikální fakulta KU, Praha

   
Work Experience
 

Pracovní pobyty v:

  • Institute of Plasma Physics and Laser Microfusion, Warsaw, Poland;
  • Laboratorio Nationale del Sud, Catania, Italy;
  • Kansas State University, Department of Physics, JRM Laboratory, Manhattan KS, USA
   
Research Topics
 

Laserem generované plasma, detekce iontů, termoluminiscence RTG záření, aplikace laserem generovaného plazmatu

   
Research Activities
 

Research Interests:

  • Laser-Produced Plasmas
  • Ion Diagnostics
  • Interaction of Highly Charged Ions with Matter
  • Thermoluminescent Dosimetry of X-Rays
  • Laser Ion and X-Ray Sources
   

Publications

Homepage of Staff and Contacts Top Plain/Print Version
   
  1990, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
1990    
   

Krása J., Engst P., Horák M.: Thermovision monitoring of gas-phase fluorescence induced by CW CO laser radiation

 

Spectrochimica Acta 46A (1990) 559

1992    
   

Chvojka M., Králiková B., Krása J., Krouský E., Láska L., Mašek K., Renner O., Rohlena K., Skála J., Štirand O., Trenda P.: Iodine photodissociation laser system Perun II

 

Czech. J. Phys. 42 (1992) 899

   

Beránek J., Chvojka M., Hermoch V., Králiková B., Krása J., Láska L., Mašek K., Musil J., Rohlena K., Rus B., Schmiedberger J., Skála J., Štirand O., Trenda P., Basov N.G., Divilkovskiy I.M., Zuev V.C., Kanaev., Katulin V.A., Korolkov K.S., Mikheev L.D., Orlov E.P., Petrov A.L., Yalovoy V.I.: A pulsed photodissociation laser with slow pumping

 

Laser and Particle Beams 10 (1992) 871 - 890

1993 Homepage of Staff and Contacts Top Plain/Print Version
   

Láska L., Juha L., Krása J., Hamplová V., Soukup L.: Production of fullerenes by an infrared laser

 

Czech.J.Phys. 43 (1993) 193-195

   

Láska L., Krása J., Juha L.: Chemistry of iodine photodissociation lasers at the pyrolytic regime

 

Chem.Phys. 172 (1993) 377-385

   

Juha L., Krása J., Láska L.: Near infrared laser induced ion desorption from ion exchangers into water

 

Chem.Phys.Lett., 204 (1993) 265-268

   

Juha L., Krása J., Láska L., Hamplová V., Soukup L., Engst P., Kubát P.: Fast degradation of fullerenes by ultraviolet laser radiation

 

Appl. Phys. B 57 (1993) 83-84

   

Pietriková M., Krása J., Juha L.: Thermoluminescence glow curves of CaF2:Dy crystals irradiated by soft X-rays

 

Z. Phys. B 93 (1993) 63-66

   

Krása J., Jiřička J., Lokajíček M.: Depolarization of light by an imperfect polarizer

 

Phys. Rev. E 48 (1993) 3184-3186

   

Láska L., Krása J.: Experimental determination of pyrolysis limit in pumping the iodine photodissociation laser

 

In: Gas Flow and Chemical Lasers.(Proceedings of the Ninth International Symposium, 1992), C. Fotakis, C. Kalpouzos, T. Papazoglou, Editors, Proc. SPIE 1810 (1993) 525 - 527

   

Krása J., Pietriková M., Juha L., Chvojka M., Králiková B., Mašek K., Skála J., Krouský E., Trousil J., Plichta J., Daříčková A.: A Comparison of Si P-I-N Diodes and Thermoluminiscent Detectors Responses in the Soft X-Ray Region

 

In: Iodine Lasers and Applications. (Proceedings of the Third International SPIE Workshop, 1992) M. Chvojka, J. Kodymová, B. Králiková, Editors, Proc. SPIE 1980 (1993) 103 - 108

   

Láska L., Juha L., Krása J., Hamplová V., Soukup L.: Fullerenes prepared by an iodine laser

 

In: Iodine Lasers and Applications. M. Chvojka, J. Kodymová, B. Králiková, Editors, Proc. SPIE 1980 (1993) 132 - 136

   

Mašek K., Rohlena K., Krása J., Štirand O., Chvojka M., Králiková B., Skála J., Krouský E.: Generation of the second harmonics in an iodine-laser-produced plasma

 

In: Iodine Lasers and Applications. M. Chvojka, J. Kodymová, B. Králiková, Editors, Proc. SPIE 1980 (1993) 109 - 116

   

Woryna E., Mróz W., Parys P., Láska L., Mašek K., Krása J., Chvojka M., Králiková B., Skála J., Rohlena K.: Ion measurements of laser-produced Al plasma on PERUN laser system

 

In: Iodine Lasers and Applications. M. Chvojka, J. Kodymová, B. Králiková, Editors, Proc. SPIE 1980 (1993) 117 - 124

1994 Homepage of Staff and Contacts Top Plain/Print Version
   

Krása J., Lokajíček M., Jiřička J.: Transmittance of a laser beam through a pair of crossed polarizers

 

Phys. Lett. A 186, (1994) 279-282

   

Láska L., Mašek K., Králiková B., Krása J., Skála J., Rohlena K., Woryna E., Wołowski J., Langbein K., Haseroth H.: Highly charged Ta ions produced by the photodissociation iodine laser with subnanosecond pulses

 

Appl. Phys. Lett. 65, (1994) 691-693

   

Mróz W., Parys P., Wołowski J., Woryna E., Chvojka M., Králiková B., Krása J., Láska L., Mašek K., Skála J., Rohlena K.: Investigation of iodine laser interaction of intensities Il2 ~ 1013 - 1015 Wcm-2mm2 with aluminium targets

 

Laser and Particle Beams 12, (1994) 421-433

   

Mróz W., Wołowski J., Woryna E., Králiková B., Krása J., Láska L., Mašek K., Skála J., Rohlena K., Shamaev O.B., Sharkov B.Yu, Haseroth H., Langbein K.L., Sherwood T.R.: Laser plasma as a source of highly ionized ions

 

Rev. Sci. Instrum. 65, (1994) 1272-1274

   

Mašek K., Králiková B., Krása J., Láska L., Rohlena K., Rus B., Skála J., Štirand O., Trenda P., Bessarab A.V., Garanin S.G., Kirillov G.A., Kiryanov Yu.F., Kochemasov G.G., Ryadov A.B., Sukharev S.A., Suslov N.A., Zaretskii A.I.: Passage of laser light through a hole - plasma shutter

 

Laser and Particle Beams 12, (1994) 445-454

   

Chvojka M., Králiková B., Krása J., Láska L., Maš ek K., Rohlena K., Skála J., Mróz, Parys P., Wolowski J., Woryna E.: Ion generation from Al-laser-produced plasma

 

Czech. J. Phys. 44 (1994) 851-864

   

Láska L., Krása J., Juha L., Hamplová V., Soukup L.: Near infrared laser production of fullerenes

 

In Second International Symposium on Advanced Laser Technologies, V. Pustovoy, M. Jelínek, Editors, Proc. SPIE 2332 (1994) 122-129

   

Beránek J.,Krása J., Mašek K., Rohlena K.: Modelling of an iodine laser with slow pumping

 

In High Power Gas and Solid State Lasers, M. Bohrer, T. Letardi, D. Schuocker, H. Weber, Editors, Proc. SPIE 2206 (1994) 236-247

   

Krása J., Fárníková M., Juha L., Králiková B., Láska L., Mašek K., Skála J., Rohlena K., Daříčková A.: Characterization and application of soft X-ray source driven by subnanosecond iodine laser pulses

 

In High Power Gas and Solid State Lasers, M. Bohrer, T. Letardi, D. Schuocker, H. Weber, Editors, Proc. SPIE 2206 (1994) 299-306

1995 Homepage of Staff and Contacts Top Plain/Print Version
   

Králiková B., Krása J., Láska L., Mašek K., Přeučil S., Rohlena K., Skála J., Trenda P., Bessarab A.V., Garanin S.G., Kirilov G.A., Kiryanov Yu.F., Kochemasov G.G., Lvov L.V., Ryadov A.B., Sukharev S.A., Suslov N.A. and Zaretskii A.I.: Smoothing of ablation pressure profile by controlling the position of critical surface

 

Inst. Phys. Conf. Ser. No. 140, Section 9 (1995) 325-328

   

Woryna E., Parys P., Wołowski J., Farny J., Mróz W., Králiková B., Krása J., Láska L., Mašek K., Pfeifer M., Rohlena K., Skála J., Trenda., Haseroth H., Collier J., Sharkov B.Yu. and Shumshurov A.V.: Ta53+ ions with energies up to 4.8 MeV registered by ion electrostatic analyser and Thomsom parabola spectrograph from a laser produced plasma

 

Inst. Phys. Conf. Ser. No. 140, Section 9 (1995) 463-466

   

Haseroth H., Collier J., Kuttenberg A., Langbein K., Sherwood T.R., Králiková B., Krása J., Láska L., Mašek K., Pfeifer M., Rohlena K., Skála J., Trenda., Parys P., Wołowski J., Woryna E., Farny J., Mróz W., Roudskoy I., Shamayev O., Sharkov B., Shumshurov A. and Bryunetkin B.A.: Laser produced highly charged Ta ions

 

Inst. Phys. Conf. Ser. No. 140, Section 9 (1995) 293-296

1996 Homepage of Staff and Contacts Top Plain/Print Version
   

Fárníková M., Juha L., Krása J., Parys P., Ryc L., Wol owski J., Woryna E.: Absolute brightness measurement of X-ray emission from laser-produced plasma using thermoluminescent dosemeters

 

Nucl. Instr. and Meth. in Phys. Res. A 386, (1996) 484-487

   

Láska L., Krása J., Juha L., Hamplová V., Soukup L.: Fullerene production driven by long-pulses of near-infrared laser radiation

 

Carbon 34, (1996) 363-368

   

Láska L., Krása J., Mašek K., Pfeifer, Trenda P., Králiková B., Skála J., Rohlena K., Woryna E., Farny J., Wołowski J., Mróz W., Shumshurov A., Sharkov B., Collier J., Langbein K., Haseroth H.: Multiply charged ion generation from NIR and visible laser-produced plasma

 

Rev. Sci. Instrum. 67, (1996) 950-952

   

Fárníková M., Krása J., Juha L., Ryć L.: Thermoluminescent dosimetry of x-ray radiation emitted from a laser-produced plasma

 

J. Phys. D: Appl. Phys. 29, (1996) 2119-2123

   

Woryna E., Parys P., Wołowski J., Láska L., Krása J., Mašek K., Pfeifer M., Králiková B., Skála J., Straka P. and Rohlena K.:Au49+, Pb50+, and Ta48+ ions from laser-produced plasmas

 

Appl. Phys. Lett. 69 (1996) 1547-1549

   

Mróz W., Parys P., Wol owski J., Woryna E., Straka P., Králiková B., Krása J., Láska L., Mašek K., Rohlena K., Mocek T., Pfeifer M., Skála J., Haseroth H., Collier J., Sharkov B. Yu., Shumshurov A.V. and Golubev A.V.: Thompson parabola ion spectrograph with the microchannel plate image converter in investigations of high-Z laser plasma ion sources

 

Rev. Sci. Instrum. 67 (1996) 1272-1274

   

Rohlena K., Králiková B., Krása J., Láska L., Mašek K., Pfeifer M., Skála J., Parys P., Wołowski J., Woryna E., Farny J., Mróz W., Roudskoy I., Shamaev O., Sharkov B., Shumshurov A., Bryunetkin B.A., Haseroth H., Collier J., Kuttenbrger A., Langbein K. and Kugler H.: Ion production by lasers using high-power densities in a near infrared region

 

Laser and Particle Beams 14 (1996) 335-346

   

Láska L., Krása J., Mašek K., Pfeifer M., Králiková B., Mocek T., Skála J., Straka P., Trenda P., Rohlena K., Woryna E., Farny J., Parys P., Wołowski J., Mróz W., Shumshurov A. Sharkov B., Collier J., Langbein K., Haseroth H., Iodine laser production of highly charged Ta ions

 

Czech J. Phys. 46 (1996) 1099-1116

   

Wołowski J., Parys P., Woryna E., Krása J., Láska L., Mašek K., Rohlena K.: Feasibility of short wavelength, short pulse laser ion source for the LHC ion injector

 

XVIII. Int. Linac Conf. - LINAC'96, Geneva, August 26-30, 1996, p. 166-168

   

Fárníková M., Krása J., Králiková B., Skála J., Parys P., Ryć L., Wołowski J., Woryna E.: Absolute measurement of soft X-ray emission by laser plasma using thermoluminescent dosimeters and semiconductor detectors

 

In Iodine Lasers and Applications, K. Rohlena, J. Kodymová, B. Králiková, Editors, Proc. SPIE 2767 (1996) 113-118

   

Rus B., Holden P.B., Mocek T., Kálal M., Zeitoun P.,Demir A., Jamelot G., Králiková B., Krása J., Pína L., Sebban S., Skála J., Tallents G.J.: Design of efficient soft X-ray laser using neonlike Fe driven by iodine laser

 

In Iodine Lasers and Applications, K. Rohlena, J. Kodymová, B. Králiková, Editors, Proc. SPIE 2767 (1996) 125-132

   

Láska L., Krása J., Mašek K.,Králiková B., Mocek T., Pfeifer M., Skála J., Straka P., Rohlena K., Woryna E., Wołowski J.: Influence of laser beam focusing on the production of highly charged ions from laser plasma

 

In Iodine Lasers and Applications, K. Rohlena, J. Kodymová, B. Králiková, Editors, Proc. SPIE 2767 (1996) 142-149

   

Mocek T., Rus B., Kálal M., Zeitoun P., Demir A., Jamelot G., Králiková B., Krása J., Pína L., Sebban S., Skála J., Tallens G.J.: Experimental investigation of line plasma created by intensities 109 - 1011 W cm-2

 

In Iodine Lasers and Applications, K. Rohlena, J. Kodymová, B. Králiková, Editors, Proc. SPIE 2767 (1996) 133-141

1997 Homepage of Staff and Contacts Top Plain/Print Version
   

Krása J., Láska L., Mašek K., Pfeifer M., Králiková B., Skála J., Straka P., Rohlena K., Mróz W., Woryna E., Parys P., Wołowski J., Haseroth H., Golubev A.A. and Sharkov B. Yu.: Multiply charged ions from iodine-laser-produced plasma of medium- and high-Z targets, 24th ECLIM, Madrid 1996

 

In: Advances in Laser Interaction with Matter and Internal Fusion, ed. G.Velarde et al., World ScientificPublishing Co.Pte.Ltd, Singapore, NJ, London Hong Kong 1997, pp.103-106

   

Králiková B., Krása J., Láska L., Mašek K., Přeučil S., Rohlena K., Skála J., Bessarab A.V., Garanin S.G., Kirillov G.A., Kiryanov Yu.F., Kochemasov G.G., Lvov L.V., Ryadov A.B., Sukharev S.A., Suslov N.A. and Zaretskii A.I.: Imprint removal by a prepulse plasma, 24th ECLIM, Madrid 1996

 

In: Advances in Laser Interaction with Matter and Internal Fusion, ed. G.Velarde et al., World ScientificPublishing Co.Pte.Ltd, Singapore, NJ, London Hong Kong 1997, pp.156-159

   

Krása J., Fárníková M. and Ryć L.: Measurements of laser-plasma emission in the soectral range from the VUV to X-ray region using thermoluminescent dosemeters, 24th ECLIM, Madrid 1996

 

In: Advances in Laser Interaction with Matter and Internal Fusion, ed. G.Velarde et al., World Scientific Publishing Co.Pte.Ltd, Singapore, NJ, London, Hong Kong 1997 pp. 59-62

1998 Homepage of Staff and Contacts Top Plain/Print Version
   

Krása J., Láska L., Mašek K., Pfeifer M., Králiková B., Skála J., Straka P., Rohlena K., Mróz W., Woryna E., Parys P., Wołowski J., Haseroth H., Golubev A.A., Sharkov B.Yu., Multiply charged ions from iodine laser-produced plasma of medium- and high-Z targets

 

Laser and Particle Beams, 16 (1998) 5-12

   

Fárníková M., Krása J., Králiková B., Skála J., Parys P., Ryć L., Wołowski J., Woryna E., Laser plasma X-ray measurement using thermoluminescent dosimeters and Si photodiodes

 

Czech. J. Phys. 48 (1998) 355-363

   

Krása J., Woryna E., Stockli M.P., Winecki S., Walch B.P., Gain of windowless electron multipliers 226EM and EMI 9643/2B for highly charged Ta ions

 

Rev. Sci. Instrum. 69 (1998) 95-100

   

Láska L., Krása J., Mašek K., Pfeifer, Rohlena K., Králiková B., Skála J., Straka P., Woryna E., Parys P., Wołowski J., Mróz W., Haseroth H., Golubev A., Sharkov B., Korschinek G.: Multiply charged ions of heavy elements produced by an iodine laser with subnanosecond pulses

 

Rev. Sci. Instrum. 69 (1998) 1072-1074

   

Haseroth H., Kugler H., Langbein K., Lisi N., Lombardi A., Magn’russon H., Pirkl W., Schnuriger J.C., Scrivens R., Tambini J., Tanke E., Homenko S., Makarov K., Roerich V., Stepanov A., Satov Y., Kodrashev S., Savin S., Sharkov B., Shumshurov A., Krása J., Láska L., Pfeifer, Woryna E.: Developments at the CERN laser ion source

 

Rev. Sci. Instrum. 69 (1998) 1051-1053

   

Woryna E., Parys P. Wołowski J., Krása J., Láska L., Rohlena K., Stockli M.P., Winecki S., Walch B.: Absolute measurements of characteristics of tantalum ion current from laser-produced plasma

 

Rev. Sci. Instrum. 69 (1998) 1045-1047

   

Krása J., Woryna E., M.P. Stöckli: The effect of the first dynode’s curvature on the gain of a type 226EM electron multiplier used as a detector of highly charged ions

 

Meas. Sci. Technol. 9 (1998) 1632-1634

   

Perina V., Hnatowicz V., J. Krása, L. Láska: Simple technique for measurement of energy spectra of ions from laser produced plasma

 

Czech. J. Phys. 48 (1998) 1067

   

Krása, L. Láska, K. Rohlena, M. Pfeifer, J. Skála, B.Králiková, P. Straka, M. Makarova, E. Woryna, J. Wolowski: Ion losses in expanded laser-produced plasma

 

BEAMS, Haifa, Israel, June 7-12, 1998, pp.41-44

   
1999 Homepage of Staff and Contacts Top Plain/Print Version
   

Krása J., M. Pfeifer, M. P. Stöckli, U. Lehnert, D. Fry: The effect of the first dynode’s geometry on the detection efficiency of a 119EM electron multiplier used as a highly charged ion detector

 

Nucl. Instrum. Meth. B 152 (1999) 397-402

   

Krása J., Láska L., Rohlena K., Pfeifer M., Skála J., Králiková B., Straka P.: The effect of laser-produced plasma expansion on the ion population

 

Appl. Phys. Lett. 75 (1999) 2539-2541

   

Woryna E., Parys P., Wolowski J., Krása J., Láska L., Králiková B., Pfeifer M., Rohlena K., Skála J.: Angular distributions of ions from laser-produced plasma

 

Laser and Particle Beams 17 (1999) 307-312

2000 Homepage of Staff and Contacts Top Plain/Print Version
   

Láska L., Krása J., Mašek K., Pfeifer M., Rohlena K., Králiková B., Skála J., Woryna E., Parys P., Wolowski J., Mróz W., Sharkov B., Haseroth H.: Properties of iodine laser­produced stream of multiply charged heavy ions of different elements

 

Rev. Sci. Instrum. 71 (2000) 927-930

   

Woryna E., Wolowski J., Králiková B., Krása J., Láska L., Pfeifer M., Rohlena K., Skála J., Peřina V., Boody F. P., Höpfl R., Hora H.: Laser produced Ag ions for direct implantation

 

Rev Sci. Instrum. 71 (2000) 949-951

   

Gammino S., Ciavola G., Torrisi L., Celona L., Wolowski J., Woryna E., Parys P., Láska L., Krása J., Shirkov G. D.: Preliminary tests for the electron cyclotron resonance ion source coupled to a laser ion source for charge state enhancement experiment

 

Rev. Sci. Instrum. 71 (2000) 1119-1121

   

Krása J., Láska L., Stöckli M., Fry D.: Electron yield per ion charge-state correction for an ion collector with unsuppressed secondary electron emission

 

Czech. J. Phys. 50, (2000) 797-802

   

Láska L., Juha L., Krása J., Mašek K., Pfeifer M., Rohlena K., Králiková B., Skála J., Peřina V., Hnatowicz V., Woryna E., Wolowski J., Parys P., Boody F.P., Höpfl R., Hora H.: Laser induced direct implantation of ions

 

Czech. J. Phys. 50/S3 (2000) 81-90

   

Wolowski J., Parys P., Woryna E., Krása J., Láska L., Rohlena K., Gammino S., Ciavola G., Torrisi L., Boody F.P., Höpfl R., Hora H., Haseroth H., Laser ion sources for different applications

 

Optica Applicata 30 (2000) 69-82

   

Krása J., Láska L., Ion productions research with the iodine laser facility PERUN, Proc. 4th Int. Symp. Plasma´99 Warsaw – Invited lecture

 

J. Tech. Phys. 41 (2000) 117-124

   

Woryna E., Krása J., Láska L., Mašek K., Parys P., Rohlena K., Wolowski J., Laser-produced plasma as an effective source of multicharged ions, XXIV. Int. Conf. on Phenomena in Ionized Gases, Warsaw, July 11-16, 1999, Invited lecture

 

J. Tech. Phys. 41 (2000) 521-531

   

Torrisi L, Ciavola G, Gammino S, Andò L, Barna A, Láska L, Krása J, Metallic etching by high power Nd: yttrium-aluminum-garnet pulsed laser irradiation

 

Rev. Sci. Instrum. 71 (2000) 4330-4334

   

Juha L, Fárníková M, Hamplová V, Kodymová J, Müllerová A, Krása J, Láska L, Špalek O, Kubát P, Stibor I, Koudoumas E, Couris S, The role of the oxygen molecule in the photolysis of fullerenes

 

Fullerene Sci. Techn. (2000) 289-318

2001 Homepage of Staff and Contacts Top Plain/Print Version
   

Krása J., Láska L., Stöckli M.P., Fry D., Secondary-electron yield from Au induced by highly charged Ta ions

 

Nucl. Instrum. Meth. B, 173 (2001) 281-286

 

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