Abstract

We have demonstrated continuous wave operation of a laser diode array pumped Rb laser with an output power of 8 Watts. A slope efficiency of 60% and a total optical efficiency of 45% were obtained with a pump power of 18 Watts. This laser can be scaled to higher powers by using multiple laser diode arrays or stacks of arrays.

© 2008 Optical Society of America

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References

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  1. A. L. Schawlow and C. H. Townes, "Infrared and optical masers," Phys. Rev. 112, 1940-1949 (1958).
    [CrossRef]
  2. W. F. Krupke, R. J. Beach, V. K. Kanz, and S. A. Payne, "Resonance transition 795-nm Rubidium laser," Opt. Lett. 28, 2336-2338 (2003).
    [CrossRef] [PubMed]
  3. R. J. Beach, W. F. Krupke, V. K. Kanz, and S. A. Payne, "End-pumped continuous-wave alkali vapor lasers: experiment, model, and power scaling," J. Opt. Soc. Am. B 21, 2151-2163 (2004).
    [CrossRef]
  4. T. Ehrenreich, B. Zhdanov, T. Takekoshi, S. P. Phipps, and R. J. Knize, "Diode pumped Cesium laser," Electron. Lett. 41, 47-48 (2005).
    [CrossRef]
  5. B. V. Zhdanov, T. Ehrenreich and R. J. Knize, "Highly efficient optically pumped Cesium vapor laser," Opt. Commun. 260, 696-698 (2006).
    [CrossRef]
  6. B. Zhdanov and R. J. Knize, "Diode pumped 10 Watts continuous wave cesium laser," Opt. Lett. 32, 2167-2169 (2007).
    [CrossRef] [PubMed]
  7. R. Page, R. Beach, V. Kanz, and W. Krupke, "Multimode diode pumped gas (alkali-vapor) laser," Opt. Lett. 31, 353-355 (2006).
    [CrossRef] [PubMed]
  8. Z. Konefal, "Observation of collision induced processes in rubidium-ethane vapour," Opt. Commun. 164, 95-105 (1999).
    [CrossRef]
  9. B. V. Zhdanov, T. Ehrenreich and R. J. Knize, "Narrowband external cavity laser diode array," Electron. Lett. 43, 221-222 (2007).
    [CrossRef]
  10. J. T. Verdeyen, Laser Electronics (Prentice Hall, Englewood Cliffs, N. J., 1995).
  11. A. N. Nesmeyanov, Vapor Pressure of Chemical Elements (Elsevier, Amsterdam, 1963).
  12. B. V. Zhdanov and R. J. Knize, "Hydrocarbon free potassium laser," Electron. Lett. 43, 1024-1025 (2007).
    [CrossRef]

2007 (3)

B. V. Zhdanov, T. Ehrenreich and R. J. Knize, "Narrowband external cavity laser diode array," Electron. Lett. 43, 221-222 (2007).
[CrossRef]

B. V. Zhdanov and R. J. Knize, "Hydrocarbon free potassium laser," Electron. Lett. 43, 1024-1025 (2007).
[CrossRef]

B. Zhdanov and R. J. Knize, "Diode pumped 10 Watts continuous wave cesium laser," Opt. Lett. 32, 2167-2169 (2007).
[CrossRef] [PubMed]

2006 (2)

R. Page, R. Beach, V. Kanz, and W. Krupke, "Multimode diode pumped gas (alkali-vapor) laser," Opt. Lett. 31, 353-355 (2006).
[CrossRef] [PubMed]

B. V. Zhdanov, T. Ehrenreich and R. J. Knize, "Highly efficient optically pumped Cesium vapor laser," Opt. Commun. 260, 696-698 (2006).
[CrossRef]

2005 (1)

T. Ehrenreich, B. Zhdanov, T. Takekoshi, S. P. Phipps, and R. J. Knize, "Diode pumped Cesium laser," Electron. Lett. 41, 47-48 (2005).
[CrossRef]

2004 (1)

2003 (1)

1999 (1)

Z. Konefal, "Observation of collision induced processes in rubidium-ethane vapour," Opt. Commun. 164, 95-105 (1999).
[CrossRef]

1958 (1)

A. L. Schawlow and C. H. Townes, "Infrared and optical masers," Phys. Rev. 112, 1940-1949 (1958).
[CrossRef]

Beach, R.

Beach, R. J.

Ehrenreich, T.

B. V. Zhdanov, T. Ehrenreich and R. J. Knize, "Narrowband external cavity laser diode array," Electron. Lett. 43, 221-222 (2007).
[CrossRef]

B. V. Zhdanov, T. Ehrenreich and R. J. Knize, "Highly efficient optically pumped Cesium vapor laser," Opt. Commun. 260, 696-698 (2006).
[CrossRef]

T. Ehrenreich, B. Zhdanov, T. Takekoshi, S. P. Phipps, and R. J. Knize, "Diode pumped Cesium laser," Electron. Lett. 41, 47-48 (2005).
[CrossRef]

Kanz, V.

Kanz, V. K.

Knize, R. J.

B. V. Zhdanov, T. Ehrenreich and R. J. Knize, "Narrowband external cavity laser diode array," Electron. Lett. 43, 221-222 (2007).
[CrossRef]

B. Zhdanov and R. J. Knize, "Diode pumped 10 Watts continuous wave cesium laser," Opt. Lett. 32, 2167-2169 (2007).
[CrossRef] [PubMed]

B. V. Zhdanov and R. J. Knize, "Hydrocarbon free potassium laser," Electron. Lett. 43, 1024-1025 (2007).
[CrossRef]

B. V. Zhdanov, T. Ehrenreich and R. J. Knize, "Highly efficient optically pumped Cesium vapor laser," Opt. Commun. 260, 696-698 (2006).
[CrossRef]

T. Ehrenreich, B. Zhdanov, T. Takekoshi, S. P. Phipps, and R. J. Knize, "Diode pumped Cesium laser," Electron. Lett. 41, 47-48 (2005).
[CrossRef]

Konefal, Z.

Z. Konefal, "Observation of collision induced processes in rubidium-ethane vapour," Opt. Commun. 164, 95-105 (1999).
[CrossRef]

Krupke, W.

Krupke, W. F.

Page, R.

Payne, S. A.

Phipps, S. P.

T. Ehrenreich, B. Zhdanov, T. Takekoshi, S. P. Phipps, and R. J. Knize, "Diode pumped Cesium laser," Electron. Lett. 41, 47-48 (2005).
[CrossRef]

Schawlow, A. L.

A. L. Schawlow and C. H. Townes, "Infrared and optical masers," Phys. Rev. 112, 1940-1949 (1958).
[CrossRef]

Takekoshi, T.

T. Ehrenreich, B. Zhdanov, T. Takekoshi, S. P. Phipps, and R. J. Knize, "Diode pumped Cesium laser," Electron. Lett. 41, 47-48 (2005).
[CrossRef]

Townes, C. H.

A. L. Schawlow and C. H. Townes, "Infrared and optical masers," Phys. Rev. 112, 1940-1949 (1958).
[CrossRef]

Zhdanov, B.

B. Zhdanov and R. J. Knize, "Diode pumped 10 Watts continuous wave cesium laser," Opt. Lett. 32, 2167-2169 (2007).
[CrossRef] [PubMed]

T. Ehrenreich, B. Zhdanov, T. Takekoshi, S. P. Phipps, and R. J. Knize, "Diode pumped Cesium laser," Electron. Lett. 41, 47-48 (2005).
[CrossRef]

Zhdanov, B. V.

B. V. Zhdanov and R. J. Knize, "Hydrocarbon free potassium laser," Electron. Lett. 43, 1024-1025 (2007).
[CrossRef]

B. V. Zhdanov, T. Ehrenreich and R. J. Knize, "Narrowband external cavity laser diode array," Electron. Lett. 43, 221-222 (2007).
[CrossRef]

B. V. Zhdanov, T. Ehrenreich and R. J. Knize, "Highly efficient optically pumped Cesium vapor laser," Opt. Commun. 260, 696-698 (2006).
[CrossRef]

Electron. Lett. (3)

T. Ehrenreich, B. Zhdanov, T. Takekoshi, S. P. Phipps, and R. J. Knize, "Diode pumped Cesium laser," Electron. Lett. 41, 47-48 (2005).
[CrossRef]

B. V. Zhdanov, T. Ehrenreich and R. J. Knize, "Narrowband external cavity laser diode array," Electron. Lett. 43, 221-222 (2007).
[CrossRef]

B. V. Zhdanov and R. J. Knize, "Hydrocarbon free potassium laser," Electron. Lett. 43, 1024-1025 (2007).
[CrossRef]

J. Opt. Soc. Am. B (1)

Opt. Commun. (2)

B. V. Zhdanov, T. Ehrenreich and R. J. Knize, "Highly efficient optically pumped Cesium vapor laser," Opt. Commun. 260, 696-698 (2006).
[CrossRef]

Z. Konefal, "Observation of collision induced processes in rubidium-ethane vapour," Opt. Commun. 164, 95-105 (1999).
[CrossRef]

Opt. Lett. (3)

Phys. Rev. (1)

A. L. Schawlow and C. H. Townes, "Infrared and optical masers," Phys. Rev. 112, 1940-1949 (1958).
[CrossRef]

Other (2)

J. T. Verdeyen, Laser Electronics (Prentice Hall, Englewood Cliffs, N. J., 1995).

A. N. Nesmeyanov, Vapor Pressure of Chemical Elements (Elsevier, Amsterdam, 1963).

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Figures (3)

Fig. 1.
Fig. 1.

Schematic diagram of the rubidium laser.

Fig. 2.
Fig. 2.

Optimization of the Rb cell temperature. The output coupler reflectivity was 33% and the pump power was 17.5 W

Fig. 3.
Fig. 3.

Output power of the Rb laser as a function of input pump power for different output couplers (33%, 21% and 11%). For the optimal output coupler of 11% the data shows 60% optical to optical slope efficiency, a 45 % overall efficiency and an output power of 8 watts.

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