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Highly Stable, Diode-Pumped Nd:YLF Regenerative Amplifier |
| WANG Jiang-Feng;LI Xue-Chun;WEI Hui;ZHU Jian-Qiang |
| Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800 |
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| Cite this article: |
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WANG Jiang-Feng, LI Xue-Chun, WEI Hui et al 2008 Chin. Phys. Lett. 25 524-527 |
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Abstract We present the design and experimental results for a diode pumped Nd:YLF regenerative amplifier applied to amplify a nanosecond laser pulse. Numerical simulation shows that the maximum output energy and the best stability can be obtained when the regenerative amplifier operates in a saturated mode for all pulse duration and temporal profiles. Using extra post-pulse is a good method to decrease the square-pulse distortion caused by gain saturation effect. The amplifier shows output energy of 4.2mJ with a total energy gain of more than 107 and output energy stability of better than 1% rms. When extra post-pulse is added, square-pulse distortion is decreased from 1.33 to 1.17 for the amplifier that is seeded with an optical pulse of 3ns.
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| Keywords:
42.60.Da
42.60.Lh
42.55.Rz
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Received: 29 November 2007
Published: 30 January 2008
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| PACS: |
42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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42.60.Lh
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(Efficiency, stability, gain, and other operational parameters)
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42.55.Rz
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(Doped-insulator lasers and other solid state lasers)
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