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Aerosol particle molecular spectroscopy

Arnold, S. and Murphy, E. K. and Sageev, G. (1985) Aerosol particle molecular spectroscopy. Applied Optics, 24 (7). pp. 1048-1053. ISSN 0003-6935. http://resolver.caltech.edu/CaltechAUTHORS:ARNao85

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Abstract

The molecular spectroscopy of a solution particle by structure resonance modulation spectroscopy is discussed [S. Arnold and A. B. Pluchino, "Infrared Spectrum of a Single Aerosol Particle by Photothermal Modulation of Structure Resonances," Appl. Opt. 21, 4194 (1982); S. Arnold et al., "Molecular Spectroscopy of a Single Aerosol Particle," Opt. Lett. 9, 4 (1984)]. Analytical equations are derived for time dependence of the particle radius as it interacts with a low intensity IR source (<20 mW/cm^2). This formalism is found to be in good agreement with pulsed experiments. Working equations for the spectroscopy are derived for both constant and periodic IR excitation.


Item Type:Article
Additional Information:© 1985 Optical Society of America Received 17 August 1984. We would like to thank M. Neuman (presently at the National Research Council, Manitoba) for taking some preliminary data in this study. We are grateful to Jeff Rosenfeld of the Microparticle Photophysics Laboratory (at the Polytechnic) for his help in computer interfacing. One of us (E.K.M.) was cooperatively supported by a grant from The National Science Foundation and the Chemical Research and Development Center of the Army under NSF grant ATM-8413574. S. Arnold was also supported by this grant and a U.S. Joint Services Electronics contract (F49620-82-C-0084).
Record Number:CaltechAUTHORS:ARNao85
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:ARNao85
Alternative URL:http://www.opticsinfobase.org/abstract.cfm?URI=ao-24-7-1048
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ID Code:2956
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Deposited On:08 May 2006
Last Modified:26 Dec 2012 08:51

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