Open AccessThe transport of intensity equation for optical path length recovery using partially coherent illumination
Author(s) -
Jonathan C. Petruccelli,
Lei Tian,
George Barbastathis
Publication year - 2013
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.21.014430
Subject(s) - optics , optical path , intensity (physics) , sample (material) , optical path length , light intensity , path (computing) , path length , materials science , physics , computer science , thermodynamics , programming language
We investigate the measurement of a thin sample's optical thickness using the transport of intensity equation (TIE) and demonstrate a version of the TIE, valid for partially coherent illumination, that allows the measurement of a sample's optical path length by the removal of illumination effects.