Self-frequency doubling laser performance of Nd: GdCOB crystal with a phase-matching angle out of the principal plane

Jun-Hua Lü; Guang-Ming Li; Jun-Hai Liu; Shu-Jun Zhang; Huan-Chu Chen; Min-Hua Jiang; Zong-Shu Shao

doi:10.1088/0256-307X/16/9/011

Self-frequency doubling laser performance of Nd: GdCOB crystal with a phase-matching angle out of the principal plane

Jun-Hua Lü, Guang-Ming Li, Jun-Hai Liu, Shu-Jun Zhang, Huan-Chu Chen, Min-Hua Jiang, Zong-Shu Shao

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

3 Citations (Scopus)

Abstract

The self-frequency doubling laser performance of Nd:GdCOB crystal cut in phase-matching direction (θ = 66.3°, φ = 134.4°) was compared with the crystal cut in the direction of (θ = 90°, φ = 46°). Results show that the former has a higher second-harmonic conversion efficiency than the latter. Using Ti:sapphire laser as pumping source, a maximum of 11.3m W of green light has been obtained with an incident power of 520 mW. This corresponds to an optical-optical conversion efficiency of 2.2%. Laser threshold for self-frequency doubling operation is measured to be 1 mW. To our knowledge, this is the lowest threshold achieved so far.

Original language	English
Pages (from-to)	651-652
Journal	Chinese Physics Letters
Volume	16
Issue number	9
DOIs	https://doi.org/10.1088/0256-307X/16/9/011
Publication status	Published - 1999
Externally published	Yes

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Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to <a href="mailto:[email protected]">[email protected]</a>.

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title = "Self-frequency doubling laser performance of Nd: GdCOB crystal with a phase-matching angle out of the principal plane",

abstract = "The self-frequency doubling laser performance of Nd:GdCOB crystal cut in phase-matching direction (θ = 66.3°, φ = 134.4°) was compared with the crystal cut in the direction of (θ = 90°, φ = 46°). Results show that the former has a higher second-harmonic conversion efficiency than the latter. Using Ti:sapphire laser as pumping source, a maximum of 11.3m W of green light has been obtained with an incident power of 520 mW. This corresponds to an optical-optical conversion efficiency of 2.2%. Laser threshold for self-frequency doubling operation is measured to be 1 mW. To our knowledge, this is the lowest threshold achieved so far.",

author = "Jun-Hua L{\"u} and Guang-Ming Li and Jun-Hai Liu and Shu-Jun Zhang and Huan-Chu Chen and Min-Hua Jiang and Zong-Shu Shao",

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TY - JOUR

T1 - Self-frequency doubling laser performance of Nd

T2 - GdCOB crystal with a phase-matching angle out of the principal plane

AU - Lü, Jun-Hua

AU - Li, Guang-Ming

AU - Liu, Jun-Hai

AU - Zhang, Shu-Jun

AU - Chen, Huan-Chu

AU - Jiang, Min-Hua

AU - Shao, Zong-Shu

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to <a href="mailto:[email protected]">[email protected]</a>.

PY - 1999

Y1 - 1999

N2 - The self-frequency doubling laser performance of Nd:GdCOB crystal cut in phase-matching direction (θ = 66.3°, φ = 134.4°) was compared with the crystal cut in the direction of (θ = 90°, φ = 46°). Results show that the former has a higher second-harmonic conversion efficiency than the latter. Using Ti:sapphire laser as pumping source, a maximum of 11.3m W of green light has been obtained with an incident power of 520 mW. This corresponds to an optical-optical conversion efficiency of 2.2%. Laser threshold for self-frequency doubling operation is measured to be 1 mW. To our knowledge, this is the lowest threshold achieved so far.

AB - The self-frequency doubling laser performance of Nd:GdCOB crystal cut in phase-matching direction (θ = 66.3°, φ = 134.4°) was compared with the crystal cut in the direction of (θ = 90°, φ = 46°). Results show that the former has a higher second-harmonic conversion efficiency than the latter. Using Ti:sapphire laser as pumping source, a maximum of 11.3m W of green light has been obtained with an incident power of 520 mW. This corresponds to an optical-optical conversion efficiency of 2.2%. Laser threshold for self-frequency doubling operation is measured to be 1 mW. To our knowledge, this is the lowest threshold achieved so far.

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DO - 10.1088/0256-307X/16/9/011

M3 - RGC 21 - Publication in refereed journal

SN - 0256-307X

VL - 16

SP - 651

EP - 652

JO - Chinese Physics Letters

JF - Chinese Physics Letters

IS - 9

ER -

Self-frequency doubling laser performance of Nd: GdCOB crystal with a phase-matching angle out of the principal plane

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