Modeling of systems for broadening of spectrum of petawatt laser pulses and for their nonlinear compression

Vysotina, N. V.; Rosanov, N. N.; Yashin, V. E.

doi:10.1134/s0030400x11060208

Cited by 11 publications

(7 citation statements)

References 24 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The maximum admissible value of B typical for nanosecond lasers is approximately 3. Since the Kerr nonlinearity is inertia-free even for femtosecond lasers, this limitation on the V-integral is frequently "mechanically" (see, e.g., [11][12][13]) extended to femtosecond lasers, which is wrong for three reasons.…”

Section: Discussion Of the Resultsmentioning

confidence: 99%

See 1 more Smart Citation

11 fs, 1.5 PW Laser with Nonlinear Pulse Compression

Гинзбург

Yakovlev

Kochetkov

et al. 2021

Laser Congress 2021 (ASSL,LAC)

View full text Add to dashboard Cite

The PEARL laser output pulse with a duration of 60-70 fs was compressed to 11 fs after passing through a 5-mm thick silica plate and reflecting from two chirping mirrors with a total dispersion of -250 fs 2 . The experiments were carried out for the B-integral values up to 19 without damage of the optical elements, which indicates that small-scale self-focusing was suppressed. The results obtained show the possibility of further nonlinear compression scaling to multipetawatt power in pulses with duration commensurate with the field period.

show abstract

Section: Discussion Of the Resultsmentioning

confidence: 99%

“…Usually, at B=3, the beam breaks up into multiple filaments. Consequently, until recently it was believed that CafCA is possible only in a narrow 2<B<3 range [11][12][13]. At the same time, a large value of B-integral is required for effective compression.…”

Section: Introductionmentioning

confidence: 99%

11 fs, 1.5 PW Laser with Nonlinear Pulse Compression

Гинзбург

Yakovlev

Kochetkov

et al. 2021

Laser Congress 2021 (ASSL,LAC)

View full text Add to dashboard Cite

show abstract

“…With respect to the possibility of obtaining a laser pulse of short duration (0.2-0.4 ps), this active medium has a substantial drawback, namely the relatively small width of the gain spectrum (20-30 nm). This prevents such a short pulse duration from being obtained after amplification and compression, even in the case of using combined silicate and phosphate Nd-doped glasses [10]. In connection with this, more broadband lasing media on the basis of Ti:sapphire [11] are now being intensively developed.…”

Section: Introductionmentioning

confidence: 99%

“…As applied to amplifiers on Nd-doped glass, a method of efficient spectral broadening of chirped pulses by the use of self-phase modulation of laser pulses in a bulk nonlinear medium and by limiting the breakup integral through the use of spatial filters was recently investigated [10]. Another promising method of broadening the efficient gain bandwidth is spectral control of the chirped laser pulses in the amplifying system.…”

Section: Introductionmentioning

confidence: 99%

Acousto-optical adaptive correction of a chirped laser pulse spectral profile in a Nd-phosphate glass regenerative amplifier

et al. 2012

View full text Add to dashboard Cite

We present results of experimental research carried out with the help of an acousto-optical light dispersive delay line (LDDL) on spectral correction of chirped laser pulses in a Nd-doped phosphate glass regenerative amplifier (RA) characterized by high gain (G ≈ 4 × 10 7). The spectral resolution of the LDDL was equal to 1.1 cm −1 at a diffraction efficiency greater than 80%. The use of the LDDL made it possible to implement operating conditions of the RA under which the duration of the output chirped pulse did not shorten in comparison with the duration of the input one, which meant that the width of the spectral emission could be preserved.

show abstract

“…Compensation for dispersion is crucial to almost all areas of ultrafast optics, especially in optical telecommunication and femtosecond laser development [1][2][3][4]. In chirped pulse amplification (CPA), the compressor must compensate for the dispersion introduced by the stretcher and the amplifier materials.…”

Section: Introductionmentioning

confidence: 99%

Analytical expressions for group-delay dispersion and third-order dispersion of a reflection grism-pair compressor

Feng

2012

Appl. Opt.

View full text Add to dashboard Cite

We provide a detailed analytical expression of group-delay dispersion (GDD) and third-order dispersion (TOD) for a reflection grism-pair compressor without the first-order approximation of grating diffraction. The analytical expressions can be used to design a grism-pair compressor for compensating the dispersive material without ray tracing. Furthermore, the dispersion performance of the grism pair compressor, depending on compressor parameters, is comprehensively analyzed. Results are shown that we can adjust several parameters to obtain a certain GDD and TOD, such as the incidence angle of the beam, refractive index of the prism, grating constant, and the separation of the grism pair.

show abstract

Modeling of systems for broadening of spectrum of petawatt laser pulses and for their nonlinear compression

Cited by 11 publications

References 24 publications

11 fs, 1.5 PW Laser with Nonlinear Pulse Compression

11 fs, 1.5 PW Laser with Nonlinear Pulse Compression

Acousto-optical adaptive correction of a chirped laser pulse spectral profile in a Nd-phosphate glass regenerative amplifier

Analytical expressions for group-delay dispersion and third-order dispersion of a reflection grism-pair compressor

Contact Info

Product

Resources

About