Photothermal lens aberration effects in two laser thermal lens spectrophotometry
Author(s) -
Stephen E. Bialkowski
Publication year - 1985
Publication title -
applied optics
Language(s) - English
Resource type - Journals
ISSN - 0003-6935
DOI - 10.1364/ao.24.002792
Subject(s) - optics , photothermal therapy , lens (geology) , laser , wavefront , photothermal spectroscopy , signal (programming language) , materials science , physics , computer science , programming language
A comparison of theories describing two laser photothermal lens signals is given. The aberrant nature of this lens is accounted for in a theory which treats the propagation of a monitor laser in terms of a phase shift in this laser beam wave front. The difference between theories are discussed in terms of the predicted signal strengths and temporal behavior. The aberrant theory results in smaller theoretical signal strengths and different functional relationships between signal and analyte level.
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