Determination of the speed / banwidth for fast photodetectors using picosecond lasers

Emil Smeu

doi:10.1117/12.801960

29 April 2008 Determination of the speed / banwidth for fast photodetectors using picosecond lasers

Emil Smeu

Proceedings Volume 7007, INDLAS 2007: Industrial Laser Applications; 70070D (2008) https://doi.org/10.1117/12.801960
Event: INDLAS 2007: Industrial Laser Applications, 2007, Bran, Romania

Abstract

The paper contains a survey of the problems commonly encountered by anyone attempting to accurately determine or specify the speed of fast photodetectors, in the bandwidth range: hundreds of MHz - tens of GHz. Two techniques are presented: one determining the minimum duration of the optical pulses which can be "seen" accurately enough, and the other determining the electrical (power) spectrum of the photodetector, leading to bandwidth determination. Experimental determination of the bandwidth for two fast photodiodes is presented, using the latter technique.

Citation Download Citation

Emil Smeu "Determination of the speed / banwidth for fast photodetectors using picosecond lasers", Proc. SPIE 7007, INDLAS 2007: Industrial Laser Applications, 70070D (29 April 2008); https://doi.org/10.1117/12.801960

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