Abstract

The technique of frequency shifting of sub-100 fs laser pulses was developed. It is based on the stimulated Raman scattering pair of chirped laser pulses with orthogonal polarization. The 50 fs laser pulse at the wavelength of 810 nm was converted to 68 fs Stokes pulse at the wavelength of 1060 nm with energy conversion efficiency of 20%.

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References

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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]

2002

2001

1998

1994

C.  Jordan, K. A.  Stankov, G.  Marowsky, and E. J.  Canto-Said, "Efficient compression of femtosecond pulses by stimulated Raman scattering," Appl. Phys. B. 59, 471-473 (1994).
[CrossRef]

1986

D. C. Hanna, D. J. Pointer, and D. Pratt "Stimulated Raman scattering of picosecond light pulses in hydrogen, deuterium and methane," IEEE J. Quantum Electron. 22, 332-336 (1986).
[CrossRef]

1979

J. N. Elgin and T. B. O`Hare, "Saturation effects in transient stimulated Raman scattering," J. Phys. B 12, 159-168 (1979).
[CrossRef]

1978

1977

M. M. T. Loy, P. P. Sorokin, and J. R. Lankard, ‘Generation of 16 μm radiation by four-wave mixing in parahydrogen," Appl. Phys. Lett. 30, 415-418 (1977).
[CrossRef]

Appl. Phys. B.

C.  Jordan, K. A.  Stankov, G.  Marowsky, and E. J.  Canto-Said, "Efficient compression of femtosecond pulses by stimulated Raman scattering," Appl. Phys. B. 59, 471-473 (1994).
[CrossRef]

Appl. Phys. Lett.

M. M. T. Loy, P. P. Sorokin, and J. R. Lankard, ‘Generation of 16 μm radiation by four-wave mixing in parahydrogen," Appl. Phys. Lett. 30, 415-418 (1977).
[CrossRef]

IEEE J. Quantum Electron.

D. C. Hanna, D. J. Pointer, and D. Pratt "Stimulated Raman scattering of picosecond light pulses in hydrogen, deuterium and methane," IEEE J. Quantum Electron. 22, 332-336 (1986).
[CrossRef]

J. Opt. Soc. Am. B

J. Phys. B

J. N. Elgin and T. B. O`Hare, "Saturation effects in transient stimulated Raman scattering," J. Phys. B 12, 159-168 (1979).
[CrossRef]

Opt. Lett.

Other

V. Krylov, A. Rebane, O. Ollikainen, D. Erni, U. P. Wild, V. Bespalov, and D. Staselko, "Stimulated Raman scattering in hydrogen by frequency-doubled amplified femtosecond Ti:sapphire laser pulses," Opt. Lett. 21, 381- 383 (1996).
[CrossRef] [PubMed]

B. Ya. Zeldovich, N. F. Pilipetskii, and V. V. Shkunov, "Principles of phase conjugation," (Berlin and New York, Springer-Verlag, Springer Series in Optical Sciences). Vol. 42, (1985).

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Figures (4)

Fig. 1.
Fig. 1.

The schematic diagram of experimental setup. P: thin film polarizer, λ/2: half-wave plate, M: high-reflected mirror, L: lenses (f=60 cm), black line: laser radiation at the wavelength of 810 nm, red line: first Stokes radiation at the wavelength of 1060 nm.

Fig. 2.
Fig. 2.

The dependence of energy conversion efficiency to the first Stokes component on the pump pulse energy at single pulse pumping.

Fig. 3.
Fig. 3.

Spectra of input (a) and output (b) laser radiation, first Stokes component (c) at pumping only by p-polarized pulse.

Fig. 4.
Fig. 4.

The spectrum of s-polarized first Stokes component at two-pulse excitation (a) and autocorrelation trace of the compressed Stokes pulse (b). The red line in (b) is sech2 fit.

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