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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 12 — Jun. 15, 2010
  • pp: 2019–2021

Pressure dependence of intrapulse Raman scattering of single- and few-cycle pulses in gaseous deuterium

Ajit Kumar and Vimlesh Mishra  »View Author Affiliations

Optics Letters, Vol. 35, Issue 12, pp. 2019-2021 (2010)

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We studied the effect of pressure variation on intrapulse Raman scattering for a single-cycle and few-cycle pulses in a gas cell of a given length filled with gaseous deuterium, in the framework of a new model equation that goes beyond the slowly varying envelope approximation. We show that, for a single-cycle pulse, pressure variation does not have any influence on the pulse spectrum. On the other hand, for a four-cycle pulse, an increase in pres sure considerably affects the pulse spectrum and leads to substantial broadening and blueshift of the output pulse spectrum. Also, with increasing pressure, more and more energy is transferred from the red to the blue components.

© 2010 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.3270) Nonlinear optics : Kerr effect
(190.5650) Nonlinear optics : Raman effect
(190.5890) Nonlinear optics : Scattering, stimulated
(190.7110) Nonlinear optics : Ultrafast nonlinear optics

ToC Category:
Nonlinear Optics

Original Manuscript: February 11, 2010
Revised Manuscript: May 8, 2010
Manuscript Accepted: May 19, 2010
Published: June 9, 2010

Ajit Kumar and Vimlesh Mishra, "Pressure dependence of intrapulse Raman scattering of single- and few-cycle pulses in gaseous deuterium," Opt. Lett. 35, 2019-2021 (2010)

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