Design of an Optical Fibre-based Receiver System for Atmospheric Sensing Lidar


  • N. Sangeetha Kalaivasan VIT University,Vellore campus,TamilNadu,India.
  • Venkata Rajanikanth Machavaram VIT University,Vellore Campus.
  • Bhavani Kumar Yellapragada National Atmospheric Research Lab,Department of Space,Government of India.



In this paper we report on the design of an optical fiber-based light receiver which is meant for replacing the conventional beam steering secondary mirror of the Newtonian telescope of a biaxial Raman lidar. The influence of using optical fibre, acting as an aperture stop of constant diameter on the geometrical compression form factor; the transitional altitude and the resulting blur disk diameter have been determined. The viability of using a commercially available optical fibre as a receiver and the associated trade-offs have been discussed. A hot-fused fibre bundle-based receiver is proposed as a potential alternative for low altitude profiling to be enabled. These theoretical investigations have formed the basis for our current experimental work aimed at the development of all fibre-based reconfigurable beam delivery systems for mobile lidars.

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Author Biographies

N. Sangeetha Kalaivasan, VIT University,Vellore campus,TamilNadu,India.

Assistant Professor (Sr),Networking Division,School of Electronics Engineering,VIT University,Vellore,TamilNadu,India.

Venkata Rajanikanth Machavaram, VIT University,Vellore Campus.

Professor,MEMS & Sensors Division,School of Electronics Engineering,VIT,Vellore,TamilNadu,India.

Bhavani Kumar Yellapragada, National Atmospheric Research Lab,Department of Space,Government of India.

Scientist/Engineer - SF,National Atmospheric research lab,Department of Space,Goverment of India,Gadanki - 517112




How to Cite

N. S. Kalaivasan, V. R. Machavaram, and B. K. Yellapragada, “Design of an Optical Fibre-based Receiver System for Atmospheric Sensing Lidar”, Photonics Lett. Pol., vol. 7, no. 4, pp. pp. 115–117, Dec. 2015.