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Applied Optics

Applied Optics


  • Vol. 37, Iss. 9 — Mar. 20, 1998
  • pp: 1647–1650

Efficient type I second-harmonic generation of subpicosecond laser pulses with a series of alternating nonlinear and delay crystals

Tiejun Zhang and Motoki Yonemura  »View Author Affiliations

Applied Optics, Vol. 37, Issue 9, pp. 1647-1650 (1998)

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We propose a novel configuration of efficient type I second-harmonic generation (SHG) with ultrashort laser pulses by group-velocity compensation. The configuration is composed of a type I SHG crystal and a series of alternating time-delay and type I SHG crystals. The numerical calculations show that the conversion efficiency can be increased to almost 100% by using crystal pairs in series, and the duration of the second-harmonic pulse is almost the same as that of the fundamental pulse.

© 1998 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.4160) Nonlinear optics : Multiharmonic generation
(190.4400) Nonlinear optics : Nonlinear optics, materials
(320.5550) Ultrafast optics : Pulses

Original Manuscript: July 7, 1997
Revised Manuscript: October 27, 1997
Published: March 20, 1998

Tiejun Zhang and Motoki Yonemura, "Efficient type I second-harmonic generation of subpicosecond laser pulses with a series of alternating nonlinear and delay crystals," Appl. Opt. 37, 1647-1650 (1998)

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