Generation and characterization of the highest laser intensities (10^22 W/cm^2)

Bahk, S.-W.; Rousseau, P.; Planchon, Thomas A.; Chvykov, V.; Kalintchenko, G.; Maksimchuk, A.; Mourou, G.; Yanovsky, V.

doi:10.1364/ol.29.002837

Cited by 408 publications

(255 citation statements)

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“…For the strongest optical (ω 0 ≈ 1 eV) laser beam available today the laser intensity is I ≈ 10 22 W/cm 2 and the corresponding electric field amplitude is E ≈ 10 −4 E c [24]. The…”

Section: Introductionmentioning

confidence: 99%

Photon splitting in a laser field

2007

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Photon splitting due to vacuum polarization in a laser field is considered. Using an operator technique, we derive the amplitudes for arbitrary strength, spectral content and polarization of the laser field. The case of a monochromatic circularly polarized laser field is studied in detail and the amplitudes are obtained as three-fold integrals. The asymptotic behavior of the amplitudes for various limits of interest are investigated also in the case of a linearly polarized laser field. Using the obtained results, the possibility of experimental observation of the process is discussed.

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Section: Introductionmentioning

confidence: 99%

Photon splitting in a laser field

2007

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“…In several theoretical papers pair production in the standing wave formed by two counterpropagating laser beams has been considered [2]. In most cases a laser field strength of order or above the critical value E c = 1.3 × 10 16 V/cm is required in order to observe the process in experiment [3], which still is by four orders of magnitude larger than the highest laser field strengths achievable today [4]. More promising in view of its experimental realization is pair production in the combination of a laser and a Coulomb field.…”

Section: Introductionmentioning

confidence: 99%

Polarization-operator approach to electron-positron pair production in combined laser and Coulomb fields

et al. 2006

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The optical theorem is applied to the process of electron-positron pair creation in the superposition of a nuclear Coulomb and a strong laser field. We derive new representations for the total production rate as two-fold integrals, both for circular laser polarization and for the general case of elliptic polarization, which has not been treated before. Our approach allows us to obtain by analytical means the asymptotic behaviour of the pair creation rate for various limits of interest. In particular, we consider pair production by two-photon absorption and show that, close to the energetic threshold of this process, the rate obeys a power law in the laser frequency with different exponents for linear and circular laser polarization. With the help of the upcoming x-ray laser sources our results could be tested experimentally.

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“…A record intensity of 7 × 10 21 W/cm 2 has already been obtained in lab-oratory by focusing a 45-TW Ti:Sa laser beam onto one wavelength [4]. Numerous Petawatt laser systems in principle capable of reaching an intensity of about 10 23 W/cm 2 , are under construction in different laboratories [28].…”

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confidence: 99%