Transmission performance of FSO using 2μm wavelength laser

Takahiro Kishida; Takuya Sakaguti; Kazuo Kumamoto; Zhou Hong

doi:10.1117/12.2577480

5 March 2021 Experiment of transmission performance of 2μm laser under turbulence

Takahiro Kishida, Takuya Sakaguti, Kazuo Kumamoto, Zhou Hong

Author Affiliations +

Proceedings Volume 11711, Broadband Access Communication Technologies XV; 117110B (2021) https://doi.org/10.1117/12.2577480
Event: SPIE OPTO, 2021, Online Only

Abstract

In this paper, we propose free space optical (FSO) communication using laser light in the 2μm wavelength. FSO using the mid-infrared 2μm band can reduce the effects of turbulence and particles generated in free space and improve link performance. In addition, it has a large allowable exposure because it can be operated in a transparent window in the atmosphere or in a safety for human eyes. We will analysis link visibility, transmission characteristics and SNR of 2μm FSO, demonstrate the BER of the FSO link with fog experimentally. The theoretical analysis will show that visibility and transmission loss will be improved by 2μm FSO, and experimental results also show that BER performance can be improved about 2dB.

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Citation Download Citation

Takahiro Kishida, Takuya Sakaguti, Kazuo Kumamoto, and Zhou Hong "Experiment of transmission performance of 2μm laser under turbulence", Proc. SPIE 11711, Broadband Access Communication Technologies XV, 117110B (5 March 2021); https://doi.org/10.1117/12.2577480

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