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Applied Optics

Applied Optics


  • Vol. 37, Iss. 18 — Jun. 20, 1998
  • pp: 3984–3986

High-repetition-rate Q-switched diode-pumped Nd:YAG laser at 1.444 μm

Antonio Agnesi, Stefano Dell’Acqua, Carlo Pennacchio, Giancarlo Reali, and Pier Giorgio Gobbi  »View Author Affiliations

Applied Optics, Vol. 37, Issue 18, pp. 3984-3986 (1998)

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A diode-pumped Q-switched Nd:YAG laser that operates at the eye-safe 1444 nm wavelength has been developed. When pumped by a 10-W fiber-coupled array at 808 nm, it generated 1 W in cw operation and 560 mW at 20-kHz repetition rate with active Q-switching. Design issues such as thermal lensing characterization and beam quality are discussed.

© 1998 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state

Original Manuscript: November 3, 1997
Revised Manuscript: March 17, 1998
Published: June 20, 1998

Antonio Agnesi, Stefano Dell’Acqua, Carlo Pennacchio, Giancarlo Reali, and Pier Giorgio Gobbi, "High-repetition-rate Q-switched diode-pumped Nd:YAG laser at 1.444 μm," Appl. Opt. 37, 3984-3986 (1998)

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  1. See, for example, Advanced Solid State Lasers, C. R. Pollock, W. R. Bosenberg, eds., Vol 10 of OSA Trends in Optics and Photonics (Optical Soceity of America, Washington, D.C., 1997).
  2. 1997 product catalog, SDL, Inc., San Jose, Calif.
  3. N. Hodgson, W. L. Nighan, D. J. Golding, D. Eisel, “Efficient 100-W Nd:YAG laser operating at a wavelength of 1.444 μm,” Opt. Lett. 19, 1328–1330 (1994). [CrossRef] [PubMed]
  4. H. M. Kretschmann, F. Heine, V. G. Ostrumov, G. Huber, “High-power diode-pumped continuous-wave Nd3+ lasers at wavelength near 1.44 μm,” Opt. Lett. 22, 466–468 (1997). [CrossRef] [PubMed]
  5. A. Agnesi, S. Dell’Acqua, P. G. Gobbi, D. Ragazzi, G. C. Reali, “Design and characterization of a diode-pumped, single longitudinal and transverse mode, intracavity-doubled cw Nd:YAG laser,” Appl. Optics 36, 597–601 (1997). [CrossRef]
  6. Y. F. Chen, T. M. Huang, C. F. Kao, C. L. Wang, S. C. Wang, “Optimization in scaling fiber-coupled laser-diode end-pumped lasers to higher power: influence of thermal effect,” IEEE J. Quantum Electron. 33, 1424–1429 (1997). [CrossRef]

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