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- Applied Optics
- Vol. 44,
- Issue 19,
- pp. 4119-4122
- (2005)
- •https://doi.org/10.1364/AO.44.004119
Keisuke Furuta, Tetsuo Kojima, Shuichi Fujikawa, and Jun-ichi Nishimae
Author Affiliations
Keisuke Furuta,Tetsuo Kojima,Shuichi Fujikawa,and Jun-ichi Nishimae
The authors are with the Advanced Technology R&D Center, Mitsubishi Electric Corporation, 8-1-1 Tsukaguchi-hommachi, Amagasaki, Hyogo, 661-8661, Japan
Corresponding author: furuta.keisuke@wrc.melco.co.jp
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Keisuke Furuta, Tetsuo Kojima, Shuichi Fujikawa, and Jun-ichi Nishimae, "Diode-pumped 1 kW Q-switched Nd:YAG rod laser with high peak power and high beam quality," Appl. Opt. 44, 4119-4122 (2005)
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Optics & Photonics Topics
The topics in this list come from the Optics and Photonics Topics applied to this article.
- Diode lasers
- High power lasers
- Laser beams
- Materials processing
- Nd:YAG lasers
- Solid state lasers
History
- Original Manuscript: October 4, 2004
- Revised Manuscript: February 4, 2005
- Manuscript Accepted: February 10, 2005
- Published: July 1, 2005
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Abstract
We have demonstrated high-peak-power generation at 1 kW average power by applying an acousto-optic Q switch to a quasi-cw diode-pumped Nd:YAG master oscillator power amplifier. We achieved a maximum peak power of 2.3 MW by driving the Q switch in burst mode. The average repetition rate was 6 kHz. The corresponding beam quality was M2 = 9.
© 2005 Optical Society of America
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Table 1
Comparative Table of Similar Q-Switched Nd:YAG Lasers
| Source | Average Power (W) | Optical-to-Optical Efficiency (%) | Beam Quality (M2) | Q-Switch Type | Repetition Rate (Hz) |
|---|---|---|---|---|---|
| This paper | 1000 | 43 | 9 | AO | 6000 (average) |
| Kiriyama et al.a | 362 | 14 | 1000 | ||
| Koyata et al.b | 152 | 12.6 | 1.1 | AO | 5000 (average) |
| Yamamoto et al.c | 222 | 17.6 | 5.18 × 5.19 | EOd | 2500 |
| Tei et al.e | 251 | EOd | 199 | ||
| Tang et al.f | 200 | 3.1 | 3.68 | EOd | 500 |
| Tang et al.f | 600 | 3.2 | EOd | 500 |
Ref. 6.
Ref. 7.
Ref. 8.
Electro-optical
Ref. 9.
Ref. 10.
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