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2018 Vol.29, Issue 6 Preview Page
December 2018. pp. 247-252
Abstract

We report amplification of a small signal in a diode-pumped Cs vapor cell with 500 torr of ethane buffer gas, in the low-pump-power regime of 200 mW or less. For efficient amplifier operation, the pump and signal beams were coupled to a single-mode optical fiber, and completely overlapped in the Cs vapor cell. We investigated the amplification of the small signal according to cell temperature, signal power, and pump power. An amplification factor of 56 was achieved under the conditions of cell temperature of 115°C, signal power of 0.1 mW, and pump power of 200 mW.

본 논문에서는 200 mW 이하의 낮은 펌핑 조건의 다이오드 펌프 세슘 증기 셀에서 약한 신호광 증폭을 보고한다. 고효율 증폭 효과를 얻기 위해서 펌프빔과 신호빔을 하나의 단일 모드 광섬유로 통과시켜 세슘 증기 셀 내부에서 완전히 겹치도록 하였다. 우리는 약한 신호광의 증폭 정도를 셀의 온도, 신호광의 세기, 펌프광의 세기에 따라 조사하였다. 증기 셀의 온도 115°C, 신호광의 출력 0.1 mW, 그리고 펌프광의 출력 200 mW인 조건에서 56배의 증폭효과를 얻을 수 있었다.

References
  1. A. Sharma, N. D. Bhaskar, Y. Q. Lu, and W. Happer, "Continuous-wave mirrorless lasing in optically pumped atomic Cs and Rb vapors," Appl. Phys. Lett. 39, 209-211 (1981).10.1063/1.92681
  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).10.1364/OL.28.00233614680174
  3. W. F. Krupke, R. J. Beach, V. K. Kanz, and S. A. Payne, "DPAL: A new class of CW, near-infrared highpower diode pumped alkali (vapor) lasers," Proc. SPIE 5334, 156-167 (2004).10.1117/12.537984
  4. R. J. Beach, W. F. Krupke, V. K. Kanz, and S. A. Payne, "End-pumped continous-wave alkali vapor lasers: experiment, model, and power scaling," J. Opt. Soc. Am. B 21, 2151-2163 (2004).10.1364/JOSAB.21.002151
  5. T. Ehrenreich, B. Zhdanov, T. Takekoshi, S. P. Phipps, and R. J. Knize, "Highly efficient optically pumped Cs vapor laser," Opt. Commun. 260, 696-698 (2006).10.1016/j.optcom.2005.11.042
  6. R. H. Page, R. J. Beach, V. K. Kanz, and W. F. Krupke, "Multimode-diode-pumped gas (alkali-vapor) laser," Opt. Lett. 31, 353-355 (2006).10.1364/OL.31.00035316480206
  7. Y. Wang, T. Kasamatsu, Y. Zheng, H. Miyajima, H. Fukuoka, S. Matsuoka, M. Niigaki, H. Kubomura, and H. Kan, "Cesium vapor laser pumped by a volume-bragg-grating coupled quasi-continuous-wave laser diode array," Appl. Phys. Lett. 88, 141112 (2006).10.1063/1.2192975
  8. Y. Wang, M. Niigaki, H. Fukuoka, Y. Zheng, H. Miyajima, S. Matsuoka, H. Kubomura, T. Hiruma, and H. Kan, "Approaches of output improvement for cesium vapor laser pumped by a volume-Bragg-grating coupled laser-diode-array," Phys. Lett. A 360, 659-663 (2007).10.1016/j.physleta.2006.08.080
  9. T. A. Perschbacher, D. A. Hostutler, and T. M. Shay, "High-efficiency diode-pumped rubidium laser: experimental results," Proc. SPIE 6346, 634607 (2007).10.1117/12.737147
  10. B. V. Zhdanov and R. J. Knize, "Diode pumped 10 Watts continous wave cesium laser," Opt. Lett. 32, 2167-2169 (2007).10.1364/OL.32.00216717671572
  11. B. V. Zhdanov, A. Stooke, G. Boyadjian, A. Voci, and R. J. Knize, "Laser diode array pumped continuous wave Rubidium vapor laser," Opt. Express 16, 748-751 (2008).10.1364/OE.16.000748
  12. B. V. Zhdanov, A. Stooke, G. Boyadjian, A. Voci, and R. J. Knize, "Rubidium vapor laser pumped by two laser diode arrays," Opt. Lett. 33, 414-415 (2008).10.1364/OL.33.00041418311276
  13. S. Wu, T. Soules, R. Page, S. Mitchell, C. Scott, V. Kanz, and R. Beach, "Hydrocarbon-free resonance transition 795-nm rubidium laser," Opt. Lett. 32, 2423-2425 (2007).10.1364/OL.32.00242317700806
  14. B. V. Zhdanov and R. J. Knize, "Efficient diode pumped cesium vapor amplifier," Opt. Commun. 281, 4068-4070 (2008).10.1016/j.optcom.2008.04.018
  15. D. A. Hostutler and W. L. Klennert, "Power enhancement of a Rubidium vapor laser with a master oscillator power amplifier," Opt. Express 16, 8050-8053 (2008).10.1364/OE.16.008050
Information
  • Publisher :Optical Society of Korea
  • Publisher(Ko) :한국광학회
  • Journal Title :Korean Journal of Optics and Photonics
  • Journal Title(Ko) :한국광학회지
  • Volume : 29
  • No :6
  • Pages :247-252
  • Received Date :2018. 11. 01
  • Accepted Date : 2018. 11. 26