Tunable Cr4+:YSO Q-Switched Cr:LiCAF Laser

Yen Kuang Kuo; Man Fang Huang; Milton Birnbaum

doi:10.1109/3.371940

Tunable Cr4+:YSO Q-Switched Cr:LiCAF Laser

Yen Kuang Kuo, Man Fang Huang, Milton Birnbaum

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

153 Citations (Scopus)

Abstract

Tunable passive Q-switching (781 nm to 806 nm at 300 K) of a flash-lamp pumped Cr3+:LiCaAlF6 (Cr:LiCAF) laser with a Cr4+:Y2SiO5 (Cr4+:YSO) broad-band solid-state saturable absorber has been realized. Topical pulse widths of the Q-switched laser output ranged from 40 ns to 80 ns, depending on the lasing wavelength. Spectral narrowing and reduced beam diameter with the use of the saturable absorber were observed. The ground state and the excited state absorption cross sections of the Cr4+:YSO absorber were found by bleaching experiments to be (7.0±1.4)×10–19 cm2 and (2.3±0.5)×10–19 cm1 at 694 nm, respectively. Numerical simulation was utilized to simulate the Cr:LiCAF passive Q-switching with Cr4+:YSO solid-state saturable absorber.

Original language	English
Pages (from-to)	657-663
Number of pages	7
Journal	IEEE Journal of Quantum Electronics
Volume	31
Issue number	4
DOIs	https://doi.org/10.1109/3.371940
Publication status	Published - 1995 Apr

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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title = "Tunable Cr4+:YSO Q-Switched Cr:LiCAF Laser",

abstract = "Tunable passive Q-switching (781 nm to 806 nm at 300 K) of a flash-lamp pumped Cr3+:LiCaAlF6 (Cr:LiCAF) laser with a Cr4+:Y2SiO5 (Cr4+:YSO) broad-band solid-state saturable absorber has been realized. Topical pulse widths of the Q-switched laser output ranged from 40 ns to 80 ns, depending on the lasing wavelength. Spectral narrowing and reduced beam diameter with the use of the saturable absorber were observed. The ground state and the excited state absorption cross sections of the Cr4+:YSO absorber were found by bleaching experiments to be (7.0±1.4)×10–19 cm2 and (2.3±0.5)×10–19 cm1 at 694 nm, respectively. Numerical simulation was utilized to simulate the Cr:LiCAF passive Q-switching with Cr4+:YSO solid-state saturable absorber.",

author = "Kuo, {Yen Kuang} and Huang, {Man Fang} and Milton Birnbaum",

year = "1995",

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doi = "10.1109/3.371940",

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pages = "657--663",

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issn = "0018-9197",

publisher = "Institute of Electrical and Electronics Engineers Inc.",

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AU - Kuo, Yen Kuang

AU - Huang, Man Fang

AU - Birnbaum, Milton

PY - 1995/4

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N2 - Tunable passive Q-switching (781 nm to 806 nm at 300 K) of a flash-lamp pumped Cr3+:LiCaAlF6 (Cr:LiCAF) laser with a Cr4+:Y2SiO5 (Cr4+:YSO) broad-band solid-state saturable absorber has been realized. Topical pulse widths of the Q-switched laser output ranged from 40 ns to 80 ns, depending on the lasing wavelength. Spectral narrowing and reduced beam diameter with the use of the saturable absorber were observed. The ground state and the excited state absorption cross sections of the Cr4+:YSO absorber were found by bleaching experiments to be (7.0±1.4)×10–19 cm2 and (2.3±0.5)×10–19 cm1 at 694 nm, respectively. Numerical simulation was utilized to simulate the Cr:LiCAF passive Q-switching with Cr4+:YSO solid-state saturable absorber.

AB - Tunable passive Q-switching (781 nm to 806 nm at 300 K) of a flash-lamp pumped Cr3+:LiCaAlF6 (Cr:LiCAF) laser with a Cr4+:Y2SiO5 (Cr4+:YSO) broad-band solid-state saturable absorber has been realized. Topical pulse widths of the Q-switched laser output ranged from 40 ns to 80 ns, depending on the lasing wavelength. Spectral narrowing and reduced beam diameter with the use of the saturable absorber were observed. The ground state and the excited state absorption cross sections of the Cr4+:YSO absorber were found by bleaching experiments to be (7.0±1.4)×10–19 cm2 and (2.3±0.5)×10–19 cm1 at 694 nm, respectively. Numerical simulation was utilized to simulate the Cr:LiCAF passive Q-switching with Cr4+:YSO solid-state saturable absorber.

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