Improvement of stability and efficiency in diode-pumped passively Q-switched intracavity optical parametric oscillator with a monolithic cavity

J. Y. Huang; W. Z. Zhuang; Y. P. Huang; Y. J. Huang; Kuan-Wei Su; Yung-Fu Chen

doi:10.7452/lapl.201210023

Improvement of stability and efficiency in diode-pumped passively Q-switched intracavity optical parametric oscillator with a monolithic cavity

J. Y. Huang, W. Z. Zhuang, Y. P. Huang, Y. J. Huang, Kuan-Wei Su, Yung-Fu Chen^*

^*Corresponding author for this work

Department of Electrophysics

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

8 Scopus citations

Abstract

We improve the performance of intracavity optical parametric oscillator (IOPO) pumped by a diode-pumped Q-switched Nd:YVO ₄/Cr ⁴⁺:YAG laser. The IOPO cavity is formed independently by a monolithic KTP crystal that the mirrors are directly deposited on top of the nonlinear crystal. We study the performances of this IOPO cavity with different reflectivity of the output coupler at 1.5 μm (Rs) of 80 and 50%. The average power of 1.5 μm is up to 3.3 W at the maximum pump power of 16.8Wfor both cases. The diode-to-signal conversion efficiency is up to 20%, which is the highest one for IOPOs to our best knowledge. At the maximum pump power, the pulse energies are 41 μJ with the pulse width of 3 ns at a pulse repetition rate (PRR) of 80 kHz for Rs = 80% and 51 μJ with the pulse width of 1.2 ns at a PRR of 65 kHz for Rs = 50%, respectively. The pulse amplitude fluctuations in standard deviation are 2.6% for Rs = 80% and 4% for Rs = 50%, respectively.

Original language	English
Pages (from-to)	485-490
Number of pages	6
Journal	Laser Physics Letters
Volume	9
Issue number	7
DOIs	https://doi.org/10.7452/lapl.201210023
State	Published - Jul 2012

Keywords

Diode-pumped
Intracavity optical parametric oscillator
Passively Q-switched

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title = "Improvement of stability and efficiency in diode-pumped passively Q-switched intracavity optical parametric oscillator with a monolithic cavity",

abstract = "We improve the performance of intracavity optical parametric oscillator (IOPO) pumped by a diode-pumped Q-switched Nd:YVO 4/Cr 4+:YAG laser. The IOPO cavity is formed independently by a monolithic KTP crystal that the mirrors are directly deposited on top of the nonlinear crystal. We study the performances of this IOPO cavity with different reflectivity of the output coupler at 1.5 μm (Rs) of 80 and 50%. The average power of 1.5 μm is up to 3.3 W at the maximum pump power of 16.8Wfor both cases. The diode-to-signal conversion efficiency is up to 20%, which is the highest one for IOPOs to our best knowledge. At the maximum pump power, the pulse energies are 41 μJ with the pulse width of 3 ns at a pulse repetition rate (PRR) of 80 kHz for Rs = 80% and 51 μJ with the pulse width of 1.2 ns at a PRR of 65 kHz for Rs = 50%, respectively. The pulse amplitude fluctuations in standard deviation are 2.6% for Rs = 80% and 4% for Rs = 50%, respectively.",

keywords = "Diode-pumped, Intracavity optical parametric oscillator, Passively Q-switched",

author = "Huang, {J. Y.} and Zhuang, {W. Z.} and Huang, {Y. P.} and Huang, {Y. J.} and Kuan-Wei Su and Yung-Fu Chen",

year = "2012",

month = jul,

doi = "10.7452/lapl.201210023",

language = "English",

volume = "9",

pages = "485--490",

journal = "Laser Physics Letters",

issn = "1612-2011",

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T1 - Improvement of stability and efficiency in diode-pumped passively Q-switched intracavity optical parametric oscillator with a monolithic cavity

AU - Huang, J. Y.

AU - Zhuang, W. Z.

AU - Huang, Y. P.

AU - Huang, Y. J.

AU - Su, Kuan-Wei

AU - Chen, Yung-Fu

PY - 2012/7

Y1 - 2012/7

N2 - We improve the performance of intracavity optical parametric oscillator (IOPO) pumped by a diode-pumped Q-switched Nd:YVO 4/Cr 4+:YAG laser. The IOPO cavity is formed independently by a monolithic KTP crystal that the mirrors are directly deposited on top of the nonlinear crystal. We study the performances of this IOPO cavity with different reflectivity of the output coupler at 1.5 μm (Rs) of 80 and 50%. The average power of 1.5 μm is up to 3.3 W at the maximum pump power of 16.8Wfor both cases. The diode-to-signal conversion efficiency is up to 20%, which is the highest one for IOPOs to our best knowledge. At the maximum pump power, the pulse energies are 41 μJ with the pulse width of 3 ns at a pulse repetition rate (PRR) of 80 kHz for Rs = 80% and 51 μJ with the pulse width of 1.2 ns at a PRR of 65 kHz for Rs = 50%, respectively. The pulse amplitude fluctuations in standard deviation are 2.6% for Rs = 80% and 4% for Rs = 50%, respectively.

AB - We improve the performance of intracavity optical parametric oscillator (IOPO) pumped by a diode-pumped Q-switched Nd:YVO 4/Cr 4+:YAG laser. The IOPO cavity is formed independently by a monolithic KTP crystal that the mirrors are directly deposited on top of the nonlinear crystal. We study the performances of this IOPO cavity with different reflectivity of the output coupler at 1.5 μm (Rs) of 80 and 50%. The average power of 1.5 μm is up to 3.3 W at the maximum pump power of 16.8Wfor both cases. The diode-to-signal conversion efficiency is up to 20%, which is the highest one for IOPOs to our best knowledge. At the maximum pump power, the pulse energies are 41 μJ with the pulse width of 3 ns at a pulse repetition rate (PRR) of 80 kHz for Rs = 80% and 51 μJ with the pulse width of 1.2 ns at a PRR of 65 kHz for Rs = 50%, respectively. The pulse amplitude fluctuations in standard deviation are 2.6% for Rs = 80% and 4% for Rs = 50%, respectively.

KW - Diode-pumped

KW - Intracavity optical parametric oscillator

KW - Passively Q-switched

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U2 - 10.7452/lapl.201210023

DO - 10.7452/lapl.201210023

M3 - Article

AN - SCOPUS:84864296271

SN - 1612-2011

VL - 9

SP - 485

EP - 490

JO - Laser Physics Letters

JF - Laser Physics Letters

IS - 7

ER -

Improvement of stability and efficiency in diode-pumped passively Q-switched intracavity optical parametric oscillator with a monolithic cavity

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Keywords

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