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A cost effective FSO communication link using 808 nm laser and its performance analysis in simulated temperature conditions

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Abstract

Using 808 nm NIR Laser, a cost effective FSO communication channel has been established. Scintillation, the phenomenon, which is produced by the heating effect, affects the FSO communication channel severely. As a result, the communication channel performance has degraded. For investigation the scintillation effect upon the 808 nm FSO link, a 40 ft. artificial chamber has been made for scintillation simulation in the laboratory. From very high to low scintillation effect has been created in the artificial chamber, and a 10 MHz On–Off Keying modulated optical signal has been taken for testing. The optical power attenuation, the real time eye pattern has been measured for different types of scintillation effect. Applying the aperture averaging scheme, a significant amount of optical power attenuation has been reduced, as a result, the value of signal to noise ratio (SNR) has been increased and the channel performance has been improved significantly.

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Data availability

The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

Notes

  1. Noise equivalent Power, Whitepaper, Thorlabs, Verena (2015).

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Funding

The authors declare that no funds, grants, or other support were received during the preparation of this manuscript.

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Authors and Affiliations

  1. Electrical Engineering Department, Jadavpur University, Kolkata, 700032, India

    Shibabrata Mukherjee & Saswati Mazumdar

  2. Centre for Distributed Computing, Computer Science Engineering Department, Jadavpur University, Kolkata, 700032, India

    Sujoy Paul

Authors
  1. Shibabrata Mukherjee
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  2. Sujoy Paul
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  3. Saswati Mazumdar
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Contributions

All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by SMu, SP and SMa. The first draft of the manuscript was written by SMu, and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Shibabrata Mukherjee.

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Mukherjee, S., Paul, S. & Mazumdar, S. A cost effective FSO communication link using 808 nm laser and its performance analysis in simulated temperature conditions. Opt Quant Electron 55, 504 (2023). https://doi.org/10.1007/s11082-023-04780-2

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