An Extended L-band Erbium-doped Fiber Amplifier to Amplify 1625 nm OTDR Signal for a Long Distance Monitoring System (장거리 광선로 감시용 1625 nm OTDR 신호 증폭을 위한 효율적인 Extended L-band Erbium-doped Fiber Amplifier)
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- Korean Journal of Optics and Photonics
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- v.16 no.5
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- pp.411-416
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- 2005