NDLI: Modulation Frequency Analysis of 1-D Semi-Transparent Medium

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Boulanger, Joan Charette, Andre´ Liu, Fengshan
Copyright Year	2004
Abstract	Frequency analysis is an interesting alternative to the full transient optical probing due to its relatively simpler frame of investigation. Both frequency analysis and the full transient probing are superior to the steady-state tomography because of more information gathered per measurement point. The study of the systematic response of a semi-transparent slab to a harmonic excitation through a power modulated laser is therefore of interest and is conducted to investigate its optical properties using an accurate algorithm to solve the Radiative Transfer Equation in the frequency domain. It is found that a semi-transparent slab behaves like a low-pass filter for the power modulated light and this behaviour is mainly controlled by the scattering events occurring on the light path (dispersion). The results found are consistent with those in the literature obtained from experiments or simpler analysis models.
Sponsorship	Heat Transfer Division
Starting Page	115
Ending Page	122
Page Count	8
File Format	PDF
ISBN	079184711X
DOI	10.1115/IMECE2004-59729
Volume Number	Heat Transfer, Volume 1
Conference Proceedings	ASME 2004 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2004-11-13
Publisher Place	Anaheim, California, USA
Access Restriction	Subscribed
Subject Keyword	Frequency Radiative transfer equation Discrete ordinates Optical tomography Light modulation Radiation scattering Transparency Scattering (physics) Low-pass filters Steady state Transients (dynamics) Algorithms Electromagnetic scattering Lasers Excitation Slabs Radiative heat transfer
Content Type	Text
Resource Type	Article

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