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Proceedings Paper

Correction of frequency response of infrared photodetector signal path
Author(s): Katarzyna Opalska
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Paper Abstract

The paper presents the investigations targeted at broadening the bandwidth of the high speed photodector signal path. Photodetector output signal is formed in the signal path composed of the photodiode with appropriate cooling circuitry, short segment of transmission line and a high-speed amplifier. Bandwidth widening is achieved by including extra circuits in the signal tract (lossless and possibly also lossy one), which – together with inevitable mismatch at both ends of the transmission line - enable correction of the frequency characteristic. The trade-offs between gain, ripples of the AC characteristic and bandwidth are studied and presented in the paper.

Paper Details

Date Published: 28 September 2016
PDF: 7 pages
Proc. SPIE 10031, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016, 1003116 (28 September 2016); doi: 10.1117/12.2249194
Show Author Affiliations
Katarzyna Opalska, Warsaw Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 10031:
Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2016
Ryszard S. Romaniuk, Editor(s)

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