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 Peyghambarian

doi:10.1063/1.1506789

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 Peyghambarian

Optical Sciences, College of

Research output: Contribution to journal › Article › peer-review

137 Scopus citations

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 language	English (US)
Pages (from-to)	2145-2147
Number of pages	3
Journal	Applied Physics Letters
Volume	81
Issue number	12
DOIs	https://doi.org/10.1063/1.1506789
State	Published - Sep 16 2002

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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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.",

author = "Feng Song and Chaobo Zhang and Xin Ding and Jingjun Xu and Guangyin Zhang and Matthew Leigh and Nasser Peyghambarian",

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AU - Zhang, Chaobo

AU - Ding, Xin

AU - Xu, Jingjun

AU - Zhang, Guangyin

AU - Leigh, Matthew

AU - Peyghambarian, Nasser

PY - 2002/9/16

Y1 - 2002/9/16

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AB - 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.

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