Indium plasma in single- and two-color mid-infrared fields: Enhancement of tunable harmonics

R. A. Ganeev, Zhe Wang, Pengfei Lan, Peixiang Lu, M. Suzuki, and H. Kuroda
Phys. Rev. A 93, 043848 – Published 26 April 2016

Abstract

The tuning of odd and even high-order harmonics of ultrashort pulses along the strong resonance of laser-produced indium plasma using an optical parametric amplifier of white-light continuum radiation (1250–1400 nm) allowed observation of different harmonics enhanced in the vicinity of the 4d105s21S04d95s25p1P1 transition of In ii ions. We demonstrate various peculiarities and discuss the theoretical model of the phenomenon of tunable harmonics enhancement in the region of 62 nm using indium plasma. With the theoretical analysis we can reproduce the experimental observations and characterize the dynamics of the resonant harmonic emissions.

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  • Received 1 December 2015

DOI:https://doi.org/10.1103/PhysRevA.93.043848

©2016 American Physical Society

Physics Subject Headings (PhySH)

Nonlinear DynamicsAtomic, Molecular & OpticalGeneral Physics

Authors & Affiliations

R. A. Ganeev1,2,*, Zhe Wang3, Pengfei Lan4, Peixiang Lu3,4, M. Suzuki1, and H. Kuroda1

  • 1Ophthalmology and Advanced Laser Medical Center, Saitama Medical University, 38 Morohongo, Moroyama-machi, Iruma-gun, Saitama 350-0495, Japan
  • 2Faculty of Physics, Voronezh State University, Voronezh 394006, Russia
  • 3Laboratory of Optical Information Technology, Wuhan Institute of Technology, Wuhan 430205, China
  • 4Wuhan National Laboratory for Optoelectronics and School of Physics, Huazhong University of Science and Technology, Wuhan 430074, China

  • *rashid_ganeev@mail.ru

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Vol. 93, Iss. 4 — April 2016

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