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Determination of absorption coefficient by digital holographic measurement of optical excitation |
Applied Optics, Vol. 50, Issue 12, pp. 1668-1672 (2011)
http://dx.doi.org/10.1364/AO.50.001668
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Abstract
Digital holographic microscopy produces quantitative phase analysis of a specimen with excellent optical precision. In this study, this imaging method has been used to observe and measure induced thermal lensing by optical excitation. Previous studies have derived these phase shifts from intensity profiles for the determination of photothermal properties of very transparent materials. We have measured physical observables and determined the absorption coefficients of methanol and ethanol with improved precision and accuracy over traditional thermal lens spectroscopy methods.
© 2011 Optical Society of America
OCIS Codes
(090.0090) Holography : Holography
(350.6830) Other areas of optics : Thermal lensing
(090.1995) Holography : Digital holography
ToC Category:
Holography
History
Original Manuscript: December 22, 2010
Revised Manuscript: February 16, 2011
Manuscript Accepted: February 18, 2011
Published: April 13, 2011
Virtual Issues
Vol. 6, Iss. 5 Virtual Journal for Biomedical Optics
Citation
David C. Clark and Myung K. Kim, "Determination of absorption coefficient by digital holographic measurement of optical excitation," Appl. Opt. 50, 1668-1672 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-50-12-1668
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