Distance measurement over 30 km using highly sensitive two-photon detection

Yoshimi Kudo; Daichi Suzuki; Ken Kashiwagi; Yosuke Tanaka; Takashi Kurokawa

2013 Conference on Lasers and Electro-Optics Pacific Rim
(Optica Publishing Group, 2013),
paper TuF4_6

Distance measurement over 30 km using highly sensitive two-photon detection

Yoshimi Kudo, Daichi Suzuki, Ken Kashiwagi, Yosuke Tanaka, and Takashi Kurokawa

Conference on Lasers and Electro-Optics/Pacific Rim 2013

Kyoto Japan
30 June–4 July 2013
ISBN: 978-1-4673-6475-1

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Imaging and Metrology (TuF4)

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Y. Kudo, D. Suzuki, K. Kashiwagi, Y. Tanaka, and T. Kurokawa, "Distance measurement over 30 km using highly sensitive two-photon detection," in 2013 Conference on Lasers and Electro-Optics Pacific Rim, (Optica Publishing Group, 2013), paper TuF4_6.

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Abstract

Elongation of distance measurement based on two-photon detection was achieved by using a lock-in amplifier. The multiple reflection points in an optical fiber distributed at 1 km to 30 km away was successfully identified.

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