Vol. 29 No. 3SI (2019)
Papers

Multichannel Photon Counting Lidar Measurements Using USB-based Digital Storage Oscilloscope

Dinh-V - Trung
Institute of Physics, Vietnam Academy of Science and Technology
Thanh Binh Nguyen
Institute of Physics, Vietnam Academy of Science and Technology
Duy Thang Dao
Institute of Physics, Vietnam Academy of Science and Technology
Van Hai Bui
Le Quy Don Technical University, 236 Hoang Quoc Viet, North Tu Liem, Hanoi, Vietnam
Xuan Tu Nguyen
Institute of Physics, Vietnam Academy of Science and Technology
Minh Tien Pham
Institute of Physics, Vietnam Academy of Science and Technology
Phuong Dung Truong
Institute of Geography, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam

Published 22-10-2019

Keywords

  • remote sensing,
  • lidar,
  • photomultipliers,
  • amplifiers

How to Cite

Trung, D.-V. .-., Nguyen, T. B., Dao, D. T., Bui, V. H., Nguyen, X. T., Pham, M. T., Truong, P. D., & Nguyen, T. T. B. (2019). Multichannel Photon Counting Lidar Measurements Using USB-based Digital Storage Oscilloscope. Communications in Physics, 29(3SI), 351. https://doi.org/10.15625/0868-3166/29/3SI/14332

Abstract

We present a simple method of making multichannel photon counting measurements of weak lidar signal from large ranges, using commonly available USB-based digital storage oscilloscopes. The single photon pulses from compact photomultiplier tubes are amplified and stretched so that the pulses are large and broad enough to be sampled efficiently by the USB oscilloscopes. A software interface written in Labview is then used to count the number of photon pulses in each of the prescribed time bins to form the histogram of LIDAR signal. This method presents a flexible alternative to the modular multichannel scalers and facilitate the development of sensitive lidar systems.

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