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Josef Krása
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Given Name |
Josef |
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Family Name |
Krása |
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Position |
vědecký pracovník |
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Room No. |
340 |
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Phone |
+420-2-6605 2619 |
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E-mail |
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Education |
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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
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Work Experience |
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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
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Research Topics |
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Laserem generované
plasma, detekce iontů, termoluminiscence
RTG záření, aplikace laserem
generovaného plazmatu
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Research Activities |
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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
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1990,
1992,
1993,
1994,
1995,
1996,
1997,
1998,
1999,
2000,
2001 |
1990 |
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Krása J., Engst
P., Horák M.: Thermovision monitoring
of gas-phase fluorescence induced by CW
CO laser radiation
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Spectrochimica Acta
46A (1990) 559
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1992 |
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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
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Czech. J. Phys. 42
(1992) 899
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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
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Laser and Particle
Beams 10 (1992) 871 - 890
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Láska L., Juha
L., Krása J., Hamplová V.,
Soukup L.: Production of fullerenes by an
infrared laser
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Czech.J.Phys. 43 (1993)
193-195
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Láska L., Krása
J., Juha L.: Chemistry of iodine photodissociation
lasers at the pyrolytic regime
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Chem.Phys. 172 (1993)
377-385
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Juha L., Krása
J., Láska L.: Near infrared laser
induced ion desorption from ion exchangers
into water
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Chem.Phys.Lett., 204
(1993) 265-268
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Juha L., Krása
J., Láska L., Hamplová V.,
Soukup L., Engst P., Kubát P.: Fast
degradation of fullerenes by ultraviolet
laser radiation
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Appl. Phys. B 57 (1993)
83-84
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Pietriková
M., Krása J., Juha L.: Thermoluminescence
glow curves of CaF2:Dy crystals
irradiated by soft X-rays
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Z. Phys. B 93 (1993)
63-66
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Krása J., Jiřička
J., Lokajíček M.: Depolarization
of light by an imperfect polarizer
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Phys. Rev. E 48 (1993)
3184-3186
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Láska L., Krása
J.: Experimental determination of pyrolysis
limit in pumping the iodine photodissociation
laser
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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
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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
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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
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Láska L., Juha
L., Krása J., Hamplová V.,
Soukup L.: Fullerenes prepared by an iodine
laser
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In: Iodine Lasers
and Applications. M. Chvojka, J. Kodymová,
B. Králiková, Editors, Proc.
SPIE 1980 (1993) 132 - 136
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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
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In: Iodine Lasers
and Applications. M. Chvojka, J. Kodymová,
B. Králiková, Editors, Proc.
SPIE 1980 (1993) 109 - 116
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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
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In: Iodine Lasers
and Applications. M. Chvojka, J. Kodymová,
B. Králiková, Editors, Proc.
SPIE 1980 (1993) 117 - 124
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Krása J., Lokajíček
M., Jiřička J.: Transmittance of a laser
beam through a pair of crossed polarizers
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Phys. Lett. A 186,
(1994) 279-282
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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
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Appl. Phys. Lett.
65, (1994) 691-693
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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
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Laser and Particle
Beams 12, (1994) 421-433
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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
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Rev. Sci. Instrum.
65, (1994) 1272-1274
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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
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Laser and Particle
Beams 12, (1994) 445-454
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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
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Czech. J. Phys. 44
(1994) 851-864
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Láska L., Krása
J., Juha L., Hamplová V., Soukup
L.: Near infrared laser production of fullerenes
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In Second International
Symposium on Advanced Laser Technologies,
V. Pustovoy, M. Jelínek, Editors,
Proc. SPIE 2332 (1994) 122-129
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Beránek J.,Krása
J., Mašek K., Rohlena K.: Modelling of an
iodine laser with slow pumping
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In High Power Gas
and Solid State Lasers, M. Bohrer, T. Letardi,
D. Schuocker, H. Weber, Editors, Proc. SPIE
2206 (1994) 236-247
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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
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In High Power Gas
and Solid State Lasers, M. Bohrer, T. Letardi,
D. Schuocker, H. Weber, Editors, Proc. SPIE
2206 (1994) 299-306
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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
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Inst. Phys. Conf.
Ser. No. 140, Section 9 (1995) 325-328
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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
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Inst. Phys. Conf.
Ser. No. 140, Section 9 (1995) 463-466
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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
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Inst. Phys. Conf.
Ser. No. 140, Section 9 (1995) 293-296
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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
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Nucl. Instr. and Meth.
in Phys. Res. A 386, (1996) 484-487
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Láska L., Krása
J., Juha L., Hamplová V., Soukup
L.: Fullerene production driven by long-pulses
of near-infrared laser radiation
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Carbon 34, (1996)
363-368
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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
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Rev. Sci. Instrum.
67, (1996) 950-952
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Fárníková
M., Krása J., Juha L., Ryć L.: Thermoluminescent
dosimetry of x-ray radiation emitted from
a laser-produced plasma
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J. Phys. D: Appl.
Phys. 29, (1996) 2119-2123
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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
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Appl. Phys. Lett.
69 (1996) 1547-1549
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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
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Rev. Sci. Instrum.
67 (1996) 1272-1274
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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
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Laser and Particle
Beams 14 (1996) 335-346
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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
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Czech J. Phys. 46
(1996) 1099-1116
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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
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XVIII. Int. Linac
Conf. - LINAC'96, Geneva, August 26-30,
1996, p. 166-168
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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
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In Iodine Lasers and
Applications, K. Rohlena, J. Kodymová,
B. Králiková, Editors, Proc.
SPIE 2767 (1996) 113-118
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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
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In Iodine Lasers and
Applications, K. Rohlena, J. Kodymová,
B. Králiková, Editors, Proc.
SPIE 2767 (1996) 125-132
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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
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In Iodine Lasers and
Applications, K. Rohlena, J. Kodymová,
B. Králiková, Editors, Proc.
SPIE 2767 (1996) 142-149
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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
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In Iodine Lasers and
Applications, K. Rohlena, J. Kodymová,
B. Králiková, Editors, Proc.
SPIE 2767 (1996) 133-141
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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
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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
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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
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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
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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
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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
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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
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Laser and Particle
Beams, 16 (1998) 5-12
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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
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Czech. J. Phys. 48
(1998) 355-363
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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
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Rev. Sci. Instrum.
69 (1998) 95-100
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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
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Rev. Sci. Instrum.
69 (1998) 1072-1074
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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
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Rev. Sci. Instrum.
69 (1998) 1051-1053
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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
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Rev. Sci. Instrum.
69 (1998) 1045-1047
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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
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Meas. Sci. Technol.
9 (1998) 1632-1634
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Perina V., Hnatowicz
V., J. Krása, L. Láska: Simple
technique for measurement of energy spectra
of ions from laser produced plasma
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Czech. J. Phys. 48
(1998) 1067
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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
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BEAMS, Haifa, Israel,
June 7-12, 1998, pp.41-44
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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
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Nucl. Instrum. Meth.
B 152 (1999) 397-402
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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
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Appl. Phys. Lett.
75 (1999) 2539-2541
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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
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Laser and Particle
Beams 17 (1999) 307-312
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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
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Rev. Sci. Instrum.
71 (2000) 927-930
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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
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Rev Sci. Instrum.
71 (2000) 949-951
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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
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Rev. Sci. Instrum.
71 (2000) 1119-1121
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Krása J., Láska
L., Stöckli M., Fry D.: Electron yield
per ion charge-state correction for an ion
collector with unsuppressed secondary electron
emission
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Czech. J. Phys. 50,
(2000) 797-802
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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
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Czech. J. Phys. 50/S3
(2000) 81-90
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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
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Optica Applicata 30
(2000) 69-82
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Krása J., Láska
L., Ion productions research with the iodine
laser facility PERUN, Proc. 4th Int. Symp.
Plasma´99 Warsaw – Invited lecture
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J. Tech. Phys. 41
(2000) 117-124
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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
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J. Tech. Phys. 41
(2000) 521-531
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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
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Rev. Sci. Instrum.
71 (2000) 4330-4334
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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
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Fullerene Sci. Techn.
(2000) 289-318
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Krása J., Láska
L., Stöckli M.P., Fry D., Secondary-electron
yield from Au induced by highly charged
Ta ions
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Nucl. Instrum. Meth.
B, 173 (2001) 281-286
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