Journal of the Optical Society of Korea

Optical Society of Korea (한국광학회)
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In situ cavity loss measurements of a mode-locked erbium-doped fiber ring laser by thed relaxation oscillation frequency method

  • Received : 1999.09.27
  • Published : 2000.03.01
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Abstract

We experimentally measured the cold cavity loss of a mode-locked erbium-doped fiber ring laser in situ by using the relaxation oscillation frequency method. The relaxation oscillation frequency is measured for various pumping powers and the data is fitted by the least squares method with a theoretical curve of parameters including the cavity loss. We obtained a cavity loss of 15.3$\pm$0.5 dB which was found to agree with the results of direct transmission loss measurements.

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