Determination of thermal focal length and pumping radius in gain medium in laser-diode-pumped Nd: YVO4 lasers

Feng Song, Chaobo Zhang, Xin Ding, Jingjun Xu, Guangyin Zhang, Matthew Leigh, Nasser N Peyghambarian

Research output: Contribution to journalArticle

130 Citations (Scopus)

Abstract

A method to determine the focal length of a thermal lens and pumping laser beam waist in the gain medium in laser-diode-pumped solid-state lasers is presented. This method, using resonator transform circle theory, is both simple and reliable. The measured focal length of the thermal lens is used to calculate the beam waist of pumping laser inside the gain medium. The effect of the thermal lens on the output power is also measured and analyzed.

Original languageEnglish (US)
Pages (from-to)2145-2147
Number of pages3
JournalApplied Physics Letters
Volume81
Issue number12
DOIs
StatePublished - Sep 16 2002

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thermal lensing
pumping
semiconductor lasers
radii
lasers
laser pumping
solid state lasers
resonators
laser beams
output

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Determination of thermal focal length and pumping radius in gain medium in laser-diode-pumped Nd : YVO4 lasers. / Song, Feng; Zhang, Chaobo; Ding, Xin; Xu, Jingjun; Zhang, Guangyin; Leigh, Matthew; Peyghambarian, Nasser N.

In: Applied Physics Letters, Vol. 81, No. 12, 16.09.2002, p. 2145-2147.

Research output: Contribution to journalArticle

Song, Feng ; Zhang, Chaobo ; Ding, Xin ; Xu, Jingjun ; Zhang, Guangyin ; Leigh, Matthew ; Peyghambarian, Nasser N. / Determination of thermal focal length and pumping radius in gain medium in laser-diode-pumped Nd : YVO4 lasers. In: Applied Physics Letters. 2002 ; Vol. 81, No. 12. pp. 2145-2147.
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