Retrieving the optical time-profiles with variable resolutions using linear processing of intensive photocount streams

Anna F. Masheva; Georgi Kolarov; Orlin I. Vankov; Dimitar V. Stoyanov

doi:10.1117/12.519496

4 November 2003 Retrieving the optical time-profiles with variable resolutions using linear processing of intensive photocount streams

Anna F. Masheva, Georgi Kolarov, Orlin I. Vankov, Dimitar V. Stoyanov

Author Affiliations +

Proceedings Volume 5226, 12th International School on Quantum Electronics: Laser Physics and Applications; (2003) https://doi.org/10.1117/12.519496
Event: 12th International School on Quantum Electronics Laser Physics and Applications, 2002, Varna, Bulgaria

Abstract

A novel method for high-resolution measurements of photon arrivals and and time profiling has been developed. It is acting as a TOF method, but is effective at higher (up to 100 times) count rates. The minimal tolerable interval between the adjacent pulses is determined by pulse count duration and the discriminator dead time. The method is based on ADC sampling of counts and their software processing. It provides a time accuracy comparable with the accuracy of well-known TOF-techniques as well as restoring (zooming) lidar profiles of varible resolutions after the receiving. The final resolution can be quite better than the sampling step of raw data (δT ≥ 1 ns has been demonstrated).

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Anna F. Masheva, Georgi Kolarov, Orlin I. Vankov, and Dimitar V. Stoyanov "Retrieving the optical time-profiles with variable resolutions using linear processing of intensive photocount streams", Proc. SPIE 5226, 12th International School on Quantum Electronics: Laser Physics and Applications, (4 November 2003); https://doi.org/10.1117/12.519496

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