??????? ???? ???? ? ????????????? ????????, ??????????? ?????????? ??????????? ???????????? ????????????????? ?????????. ?????????? ??????

1
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?????? ????? ?????? ??. ?.?.????????? ??? ??????
2
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3
??????? ???? ???? ? ????????????? ????????,
??????????? ?????????? ??????????? ????????????
????????????????? ?????????. ?????????? ??????
?????????-???????? ??????? (???????????? ????????
????? ??????? ????). ?????, ??? ?
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???????????? ? ????? ???????? ?????????
?????????, ?????????? ?? ????????? ????????
???????? ???????.
4
Fsin(wt)
Fsin(wt)
xsin(wt)
xsin(wt)a2sin(2wt) a3sin(3wt)
???? FltltF???? ????????? ???????? ???????????
??????? ??????????, ??????? an(F/F????)n
????????? ?????? ???????? ?????
FF???? ???????? ????????? ??????? ???????? ?
?????? F???? F?????e2/r2Bohr
???????? ??????? ????? ? ????????? ??????? ??????
Ba2NaNb5O5. ??????? ???? ??????????? ????
????????? ?????? ????????? ????????? ??????
???????????? ????????? ??????????? ??????
?????????????? ?? ?????????? ???????????????????
??????? ?????? ??? ???????.
5
1030
ICF
Quantum electrodynamics I 1026 W/cm2
QED experiments
vacuum
1025
hadron therapy, isotope prodaction
solid target owerdense plasma
relativistic protons I 1022 W/cm2
proton acceleration
protongraphy
1020
focused intensity W/cm2
relativistic electrons I 2,731018 W/cm2
gamma radiation
electron acceleration
gas target underdense plasma
Line acc.
atom Coulomb field I 31016 W/cm2
attosecond pulse generation
1015
CPA
atoms and molecules
generation of THz radiation
mode-locking
intra-atomic physics
1010
Q-switching
attophysics
1960
1990
2000
2010
1970
1980
 ???????? ? ????????? ??????? ?????????????
???????? ??????????
6
???? ????????? ??????? ???????? ???
?????????????? ???????????? ????????? ????????? ?
??????. ??????????? ?????????? ? ???????
????????? ????????????? ?????????. ???????????
????????? ??????? ???????? ???? ?????????
????????????? ?????????. ????????? ????????????
????????????????? ? ?????????????? ????????? ???
?????????????? ????????????????? ?????????
????????? ? ????????????
7
????????? ?????? ?? 5000 ????? ????? ?? 0.3
?? ????????????? ?????????????? ????? 10-4
???????? ??????? ????????????? 1014 1015
??/??2 ???????????? 1 ?? 5 ?? ????????
??????? glt1
???????????? ??????
??????????????? ???????
Experiment Ar, TiSapp laser 800 nm, 2 1014
W/cm2
8
??????????????? ??????? ?????
9
Up ? I l2
J. Tate, T. Auguste, H.G. Muller, P. Salieres, P.
Agostini, and L.F. DiMauro Scaling of
wave-packet dynamics in an intense midinfrared
field, PRL 98, 013901 (2007)
J. Tate, T. Auguste, H.G. Muller, P. Salieres, P.
Agostini, and L.F. DiMauro Scaling of
wave-packet dynamics in an intense midinfrared
field, PRL 98, 013901 (2007)
10
?????
T/2
2w
?????????????
?????????????
??????? ?????????
?????
3 5 7 9 11 13 15 17 19 21 23 25
27 29 31 33 35
E
1. ?????????
2. ???????? ??? ????????? ????
3. ????????? ???????????????? ?????????
100 ??
?????? ?. ?., ?????? ? ????, 1987 P.Corkum, PRL,
1993
11
E
?????
?????????????
3 5 7 9 11 13 15 17 19 21 23 25
27 29 31 33 35
??????? ?????????
T/2
?????????????
?????
12
??????????????? ????????
P.B. Corkum Plasma perspective on strong-field
multiphoton ionization, PRL 71, 1994 (1993)
13
longer path
shorter path
t
14
???????-?????????????? ??????? ????????,
????????????? ????????. ???????? ??????
???????????? ??????????? ,
?????????? ?? ??????? ???????????? ??????????
?????????.
????????? ??????? ??????? ???????? ? ?????????
???? ?? 171-? ?? 191-? ?????????
???????????????????? ?????? ?.Levenstein et.
al., 1994 W.Becker et. al., 1994 ?.?.??????????,
2000 V.Strelkov, 2006
15
(No Transcript)
16
????????????????? ?????????? ?? ?????????
???????????? ?????????????? ????????.
???????????? ???????? 170 ??, ??? ??????????
???? 1.2 ??????? ??????? ???????
(????????????????? ?????????)
R. Lopez-Martens, PRL, 2005
17
????????? ??????? ????????
Agostini
Charalambidis
80 as
Krausz
????
???????? ? ?????????? ????????????
???????????????? ?????????
18
??????????? ?? ????????????? ????????? ?????????
???????? ???????????
????????????? ???????????
E
19
WAYS OF A SINGLE ATTOPULSE GENERATION
AMPLITUDE GATING
Very short (less than 5fs) fundamental
pulse Hentschel et. al. Nature 414, 509 (2001)
20
WAYS OF A SINGLE ATTOPULSE GENERATION
AMPLITUDE GATING
Very short (less than 5fs) fundamental
pulse Hentschel et. al. Nature 414, 509 (2001)
ELLIPTICITY GATING
Ellipticity-modulated fundamental pulse
Corkum, et. al. Optics Letters 19, 1870
(1994) Platonenko, Strelkov JOSA. B 16, 435
(1999) Sola, et. al., Nature Physics, 2,
281(2006)
e-
?????????????
?????
21
Carrier- Envelope Phase
ELLIPTICITY GATING
j0
jp/2
E(t)F(t)cos(wtj)
Field with time-varying ellipticity Platonenko,
Strelkov JOSA B (1999)
threshold ellipticity
Strelkov V., et. al. J. Phys. B At. Mol. Opt.
Phys. (2005)
22
ELLIPTICITY GATING
theory V. Strelkov, PRA, 2006 experimentsimulati
on Sola, et. al., Nature Physics, 2,
281(2006) Sansone G, et. al., Science 314 443
(2006)
Simulation
Experiment
Ar, 5fs pulse, 2.2 1014 W/cm2
time fs
23
???? ????????? ??????? ???????? ???
?????????????? ???????????? ????????? ????????? ?
??????. ??????????? ?????????? ? ???????
????????? ????????????? ?????????. ???????????
????????? ??????? ???????? ???? ?????????
????????????? ?????????. ????????? ????????????
????????????????? ? ?????????????? ????????? ???
?????????????? ????????????????? ?????????
????????? ? ????????????
24
Resonant HHG review of experiments
In
harmonics
main laser pulse 1015 W/cm2
In
1017 1018 cm-3 ionization degree 1
25
Resonant HHG review of experiments
efficiency 10-4 strong ellipticity dependence
R. A. Ganeev, Physics-Uspekhi, 52, 55 (2009). R.
A. Ganeev, L. B. Elouga Bom, J.-C. Kieffer, and
T. Ozaki, Phys Rev A 75, 063806 (2007). R. A.
Ganeev, M. Suzuki, M. Baba, H. Kuroda, T. Ozaki,
Opt. Lett., 31, 1699 (2006).
26
Kr, Xe
Theoretical prediction Frolov, Manakov, et. al.,
PRA 2010 Experiment A. D. Shiner, B. E. Schmidt,
C. Trallero-Herrero, H. J. Wörner, S.
Patchkovskii, P. B.Corkum, J-C. Kieffer, F.
Légaré and D. M. Villeneuve, Nature Phys., March
6, 2011
27
Resonant HHG model
3
4
2
2
3
3
I
I
1
1
V. Strelkov, PRL, 2010
28
Resonant harmonic enhancement comparison of the
experimental, numerical and analytical results
29
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?????????????? ???????????? ????????? ????????? ?
??????. ??????????? ?????????? ? ???????
????????? ????????????? ?????????. ???????????
????????? ??????? ???????? ???? ?????????
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????????????????? ? ?????????????? ????????? ???
?????????????? ????????????????? ?????????
????????? ? ????????????
30
D. von der Linde,1995
31
?????? ?????????????? ???????
S. V. Bulanov, 1994 von der Linde , 1996
32
?????? ?????????????? ???????
Tsakiris, 2006
33
????????????? ?.?. ??????????, ?????????? ?-?
??? E.Constant, E.Mevel, CELIA, Bordeaux,
France ?.?.???????, ?.?. ???????? , ??? ???,
?????? ????????
34
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????????????? ????? 100 ??. ?????? ???????????
???????? ????? ???? ?????? ? ??????
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???????????????????? ???????. ???????????
????????? ??????? ???????? ????????? ???????????
????????? ????????????? ????????. ???????
??????????, ??? ??? ?????????????? ?????????
????????? ?????????????? ? ????????????????????
????????????? ? ???????????? ???????? ?????????
????????????? ????????? ????????????? ????? 1 ??
? ??????????????, ??????????? ???????????
????????????? ????????????? ?????????.