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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 12, Iss. 8 — Aug. 1, 2014
  • pp: 082801–

High speed pseudorandom modulation fiber laser ranging system

Fang Yang, Xin Zhang, Yan He, and Weibiao Chen  »View Author Affiliations


Chinese Optics Letters, Vol. 12, Issue 8, pp. 082801- (2014)


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Abstract

A laser ranging system using all fiber high speed pseudorandom (PN) coded laser at 1550 nm and photon counting is proposed to realize high spatial resolution. Different lengths of PN code are employed in the optical fiber delay ranging test, the results show the improvement in both ranging accuracy and signal-to-noise ratio (SNR) as PN code trains increase. A ranging accuracy of 3 cm is acquired when transmitting pulses propagate to a target of 1.77 km away and received by an InGaAs/InP avalanche photodiode (APD). Simulation is also carried out under space borne condition based on current system. The system is demonstrated to have a potential for remote ranging and imaging.

© 2014 Chinese Optics Letters

OCIS Codes
(030.5260) Coherence and statistical optics : Photon counting
(280.3400) Remote sensing and sensors : Laser range finder
(350.6090) Other areas of optics : Space optics

ToC Category:
Remote Sensing and Sensors

Citation
Fang Yang, Xin Zhang, Yan He, and Weibiao Chen, "High speed pseudorandom modulation fiber laser ranging system," Chin. Opt. Lett. 12, 082801- (2014)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-12-8-082801

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