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Proceedings Paper

I-scan measurements of the nonlinear refraction and nonlinear absorption coefficients of some nanomaterials
Author(s): Qiguang Yang; JaeTae Seo; Santiel J. Creekmore; Doyle A. Temple; K. P. Yoo; S. Y. Kim; S. S. Jung; Andrew G. Mott
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Paper Abstract

We give the analytical expressions of the nonlinear transmittance of materials through an aperture in the far field with finite aperture size. The result can be used under the conditions of and . Based on this equation, the nonlinear refractive index coefficients of some nanomaterials from both the closed I-scan and Z-scan measurements at 800 nm and 1064 nm were extracted, respectively. The obtained values from I-scan measurements are comparable with those from the Z-scan measurements. The nonlinear absorptions of these materials were also studied by fulfilling the open I-scan and Z-scan measurements. The advantages of I-scan technology were discussed.

Paper Details

Date Published: 14 February 2003
PDF: 9 pages
Proc. SPIE 4797, Multiphoton Absorption and Nonlinear Transmission Processes: Materials, Theory, and Applications, (14 February 2003); doi: 10.1117/12.453537
Show Author Affiliations
Qiguang Yang, Hampton Univ. (United States)
JaeTae Seo, Hampton Univ. (United States)
Santiel J. Creekmore, Hampton Univ. (United States)
Doyle A. Temple, Hampton Univ. (United States)
K. P. Yoo, Sogang Univ. (South Korea)
S. Y. Kim, Sogang Univ. (South Korea)
S. S. Jung, Korea Research Institute of Standards and Science (South Korea)
Andrew G. Mott, Army Research Lab. (United States)


Published in SPIE Proceedings Vol. 4797:
Multiphoton Absorption and Nonlinear Transmission Processes: Materials, Theory, and Applications
A. Todd Yeates; Kevin D. Belfield; Stephen J. Caracci; Christopher M. Lawson; Francois Kajzar; A. Todd Yeates; Kevin D. Belfield; Stephen J. Caracci, Editor(s)

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