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Proceedings Paper

Optical sampling-step and effective resolution bandwidth: a fundamental aspect of component testing
Author(s): Normand Cyr; Francois Babin; Bernard Ruchet; Andre Girard
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Paper Abstract

The critical aspects of signal sampling in the context of optical measurements are reviewed. A parallel is drawn between optical- and time-signal sampling, which shed light on the impact and interplay between key parameters. All key parameters have their mirror image in both pictures, time ? frequency or optical-frequency ? optical-delay. The equivalence is made specific, between optical sampling-step, resolution bandwidth, interferograms, photodetector bandwidth or laser lineshape on one hand, and sampling rate, low-pass filter, signal spectrum and signal bandwidth on the other hand, along with the conditions they should fulfill, in both pictures, given an actual setup.

Paper Details

Date Published: 23 August 2002
PDF: 11 pages
Proc. SPIE 4906, Optical Components and Transmission Systems, (23 August 2002); doi: 10.1117/12.480580
Show Author Affiliations
Normand Cyr, EXFO (Canada)
Francois Babin, EXFO (Canada)
Bernard Ruchet, EXFO (Canada)
Andre Girard, EXFO (Canada)


Published in SPIE Proceedings Vol. 4906:
Optical Components and Transmission Systems
WeiSheng Hu; Shoichi Sudo; Peter Kaiser, Editor(s)

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