Optical performance of Cr:YSO Q-switched Cr:LiCAF and Cr:LiSAF lasers

Chih Kang Chang, Jih Yuan Chang, Yen Kuang Kuo

Research output: Contribution to journalConference article

6 Citations (Scopus)

Abstract

Both Cr:LiCAF and Cr:LiSAF solid state lasers were developed by Payne et al. As transition-metal vibronic lasers the Cr:LiCAF and Cr:LiSAF exhibit broad emission spectra, long lifetime of the upper laser levels, low nonlinear refractive indices, low thermal lensing, and low excited state absorption that make both of them unique sources for tunable or short pulse lasers. In previous work we had experimentally demonstrated that the Cr:YSO could work as a saturable absorber Q switch for the Cr:LiCAF laser near 780 nm, i.e., the peak of its tuning range. In this work, we theoretically investigate the optical performance of the Cr:YSO Q-switched Cr:LiCAF laser system over its entire tuning range by solving the coupled rate equations. The simulation results indicate that the results obtained numerically are in good agreement with that obtained experimentally. The theoretical simulation also shows that the Cr:YSO may be used as an effective saturable absorber Q switch for the tunable Cr:LiCAF laser over a major portion of its entire tuning range from 725 nm to 840 nm. On the other hand, the Cr:YSO had also been experimentally demonstrated to be an effective saturable absorber Q switch for the tunable Cr:LiSAF laser by Munin et al. The optical performance of the Cr:YSO Q-switched Cr:LiCAF and Cr:LiSAF lasers is numerically studied in this paper.

Original languageEnglish
Pages (from-to)498-509
Number of pages12
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4914
DOIs
Publication statusPublished - 2002 Jan 1
Eventhigh-Power Lasers and Applications II - Shanghai, China
Duration: 2002 Oct 152002 Oct 18

Fingerprint

Laser
Lasers
Saturable absorbers
Saturable Absorber
lasers
Tuning
Switches
absorbers
Switch
switches
tuning
Entire
Range of data
Solid state lasers
Solid-state Laser
Short Pulse
thermal lensing
Rate Equations
Excited states
Excited States

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

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title = "Optical performance of Cr:YSO Q-switched Cr:LiCAF and Cr:LiSAF lasers",
abstract = "Both Cr:LiCAF and Cr:LiSAF solid state lasers were developed by Payne et al. As transition-metal vibronic lasers the Cr:LiCAF and Cr:LiSAF exhibit broad emission spectra, long lifetime of the upper laser levels, low nonlinear refractive indices, low thermal lensing, and low excited state absorption that make both of them unique sources for tunable or short pulse lasers. In previous work we had experimentally demonstrated that the Cr:YSO could work as a saturable absorber Q switch for the Cr:LiCAF laser near 780 nm, i.e., the peak of its tuning range. In this work, we theoretically investigate the optical performance of the Cr:YSO Q-switched Cr:LiCAF laser system over its entire tuning range by solving the coupled rate equations. The simulation results indicate that the results obtained numerically are in good agreement with that obtained experimentally. The theoretical simulation also shows that the Cr:YSO may be used as an effective saturable absorber Q switch for the tunable Cr:LiCAF laser over a major portion of its entire tuning range from 725 nm to 840 nm. On the other hand, the Cr:YSO had also been experimentally demonstrated to be an effective saturable absorber Q switch for the tunable Cr:LiSAF laser by Munin et al. The optical performance of the Cr:YSO Q-switched Cr:LiCAF and Cr:LiSAF lasers is numerically studied in this paper.",
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Optical performance of Cr:YSO Q-switched Cr:LiCAF and Cr:LiSAF lasers. / Chang, Chih Kang; Chang, Jih Yuan; Kuo, Yen Kuang.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 4914, 01.01.2002, p. 498-509.

Research output: Contribution to journalConference article

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