Korean Journal of Optics and Photonics (한국광학회지)

Optical Society of Korea (한국광학회)
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Characteristics of erbium-doped fiber sources with double-pass forward configuration for gyroscope application

Double-pass forward 방식으로 구성된 자이로스코프용 Erbium 첨가 광섬유 광원의 특성

  • Published : 2003.08.01
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Abstract

Characteristics of 0.98 $\mu$m-pumped erbium-doped fiber (EDF) sources with double-pass forward (DPF) configuration are analyzed by numerical calculation. Various source characteristics such as output power, spectral width and mean-wavelength stability are investigated with the variation of EDF length, pump power and pump wavelength. Some of the numerical results are compared with experimental ones for verification. The results show that the characteristics of sources with DPF configuration can change considerably with the EDF length. It is also found that an optimum design can exist for stable mean-wavelength against fluctuations of pump power and pump wavelength.

Double-pass forward(DPF) 방식으로 구성되고 0.98 $\mu$m 파장 대역으로 펌핑된 자이로스코프용 erbium 첨가 광섬유(EDF) 광원의 출력광 특성을 수치계산을 이용하여 분석하였다. EDF길이, 펌프 power, 그리고 펌프 파장 등의 변화에 따른 출력광 power, 파장선폭, 중심파장 안정성 둥을 분석하였으며 일부 특성에 대하여 실험결과와 비교ㆍ검증하였다. 그 결과, DPF 방식의 EDF 광원에서 광원의 특성이 EDF 길이에 크게 의존함을 알 수 있었으며 펌프 power와 펌프 파장의 변화에 대해서 안정된 중심파장을 얻을 수 있는 최적 동작조건도 존재함을 알 수 있었다.

Keywords

References

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