Study of thermo-optical properties or surfactants in aqueous solution by interferometry

M. Di Lorenzo; Rafael A. Escalona Z.

doi:10.1117/12.590803

21 October 2004 Study of thermo-optical properties or surfactants in aqueous solution by interferometry

M. Di Lorenzo, Rafael A. Escalona Z.

Proceedings Volume 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications; (2004) https://doi.org/10.1117/12.590803
Event: 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, 2004, Porlamar, Venezuela

Abstract

Although a variety of surfactant based processes of technological importance occur in the presence of temperature gradients, very little information is available on the thermal diffusion of these macromolecules in solution. In this work optical interferometry is applied to the study of photothermal properties of aqueous solutions of surfactants. This technique allows to visualize spatio-temporal changes of the refractive index of the samples produced by the local heating of the solvent and the solute redistribution set up by thermal diffusion. We present preliminary results on the photothermal response to absorption of cw laser radiation of aqueous solutions of ionic and nonionic surfactants in the presence of trace amounts of the malaquite green dye.

Citation Download Citation

M. Di Lorenzo and Rafael A. Escalona Z. "Study of thermo-optical properties or surfactants in aqueous solution by interferometry", Proc. SPIE 5622, 5th Iberoamerican Meeting on Optics and 8th Latin American Meeting on Optics, Lasers, and Their Applications, (21 October 2004); https://doi.org/10.1117/12.590803

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available