Abstract

An efficient continuous wave (CW) laser-diode-pumped Nd-doped Ca3(NbGa)2xGa3O12 (CNGG) laser operating at 935nm is demonstrated by using a simple linear cavity for the first time to our knowledge. Output power up to 1.12W is obtained, corresponding to a slope efficiency of 7.1% and an optical-to-optical efficiency of 5.7%. The laser operates with the fundamental transverse mode when the output power is as high as 800mW. This laser provides a potential light source for differential absorption lidar in water vapor detection.

© 2008 Optical Society of America

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References

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2007 (2)

S. G. P. Strohmaier, H. J. Eichler, C. Czeranowsky, B. Ileri, K. Petermann, and G. Huber, Opt. Commun. 275, 170 (2007).
[CrossRef]

H. Zhang, J. Liu, J. Wang, J. Fan, X. Tao, X. Mateos, V. Petrov, and M. Jiang, Opt. Express 15, 9464 (2007).
[CrossRef] [PubMed]

2003 (1)

P. K. Mukhopadhyay, K. Ranganathan, J. George, S. K. Sharma, and T. P. S. Nathan, Opt. Laser Technol. 35, 173 (2003).
[CrossRef]

2001 (1)

A. Agnesi, S. Dell'Acqua, A. Guandalini, G. Reali, F. Cornacchia, A. Toncelli, M. Tonelli, K. Shimamura, and T. Fukuda, IEEE J. Quantum Electron. 37, 304 (2001).
[CrossRef]

1995 (2)

J. Azkargorta, I. Iparraguirre, R. Balda, J. Fernández, and A. A. Kaminskii, Opt. Commun. 118, 562 (1995).
[CrossRef]

U. Caldifio G, F. Jaque, R. Balda, J. Fernández, and A. A. Kaminskii, Opt. Mater. 4, 713 (1995).
[CrossRef]

1993 (1)

1992 (1)

Appl. Opt. (1)

IEEE J. Quantum Electron. (1)

A. Agnesi, S. Dell'Acqua, A. Guandalini, G. Reali, F. Cornacchia, A. Toncelli, M. Tonelli, K. Shimamura, and T. Fukuda, IEEE J. Quantum Electron. 37, 304 (2001).
[CrossRef]

Opt. Commun. (2)

J. Azkargorta, I. Iparraguirre, R. Balda, J. Fernández, and A. A. Kaminskii, Opt. Commun. 118, 562 (1995).
[CrossRef]

S. G. P. Strohmaier, H. J. Eichler, C. Czeranowsky, B. Ileri, K. Petermann, and G. Huber, Opt. Commun. 275, 170 (2007).
[CrossRef]

Opt. Express (1)

Opt. Laser Technol. (1)

P. K. Mukhopadhyay, K. Ranganathan, J. George, S. K. Sharma, and T. P. S. Nathan, Opt. Laser Technol. 35, 173 (2003).
[CrossRef]

Opt. Lett. (1)

Opt. Mater. (1)

U. Caldifio G, F. Jaque, R. Balda, J. Fernández, and A. A. Kaminskii, Opt. Mater. 4, 713 (1995).
[CrossRef]

Other (3)

B. Ileri, C. Czeranowsky, K. Petermann, and G. Huber, in Proceedings of IEEE Conference on Lasers and Electro-Optics Europe (IEEE, 2005), p. 10.

"British Atmospheric Data Centre," http://badc.nerc.ac.uk/cgi-bin/datalowbarbrowser/datalowbarbrowser/badc/esa-wv/data.

HITRAN Database, http://www.cfa.Harvard.edu/HITRAN/hitrandata04/.

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Figures (5)

Fig. 1
Fig. 1

Schematic of the 935 nm CW single-wavelength laser. L-D, laser diode.

Fig. 2
Fig. 2

Fluorescence spectrum of Nd:CNGG from 910 to 950 nm with the excitation wavelength 808 nm .

Fig. 3
Fig. 3

a, Laser emission spectrum of the 935 nm CW Nd:CNGG laser. b, Laser emission spectrum and the water vapor absorption group around 935 nm .

Fig. 4
Fig. 4

Output power of the 935 nm Nd:CNGG laser as a function of the incident pump power.

Fig. 5
Fig. 5

a, Typical CCD photo of the transverse mode corresponding to an output power of 467 mW at a pump power of 9 W . b, Photo of the transverse mode when the pump power is 12 W with an output power of 800 mW .

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