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Optical Engineering

Experimental study of a novel free-space optical communication system
Author(s): JunXiong Tang; Qingji Wang; Minghao Duan; Yimin Li; Liang Zhang; Jianhua Gan; Jiankun Kong; Yifang Wu; Lemin Zheng
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Paper Abstract

What is, to our knowledge, a new kind of laser free space communication system is reported. In this system, a laser diode is locked and tracked at the transmission peak of a Faraday anamolous dispersion optical filter (FADOF) so as to obtain a stabilized lasing. A Zeeman absorption FADOF (FADOF/Zeeman) was employed as a stabilized receiver. The bandwidth of the FADOF/Zeeman is about 1 GHz, which is three times less than that of the FADOF. The tuning capability is about 1 GHz/0.01 T. We successfully conducted the audio and visual telephone optical communication experiment by means of this system in a strong solar background and compared the systematic property of the FADOF/Zeeman receiver and the interference filter (IF) receiver. The results show that the sensibility of the FADOF/Zeeman receiver is about 25 times higher than that of the IF.

Paper Details

Date Published: 1 November 1994
PDF: 4 pages
Opt. Eng. 33(11) doi: 10.1117/12.181162
Published in: Optical Engineering Volume 33, Issue 11
Show Author Affiliations
JunXiong Tang, Peking Univ. (China)
Qingji Wang, Peking Univ. (China)
Minghao Duan, Peking Univ. (China)
Yimin Li, Peking Univ. (China)
Liang Zhang, Peking Univ. (China)
Jianhua Gan, Peking Univ. (China)
Jiankun Kong, Peking Univ. (China)
Yifang Wu, Peking Univ. (China)
Lemin Zheng, Peking Univ. (China)

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