Synchronized double L-scan technique for the simultaneous measurement of polarization-dependent two-photon absorption in chiral molecules

    Authors

    L. De Boni; C. Toro;F. E. Hernandez

    Comments

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    Abstract

    We report on a double L-scan technique for the simultaneous measurements of polarization-dependent nonlinear absorption, The high sensitivity of this method resides on the synchronized measurements of "twin" laser pulses to compensate for energy and mode fluctuations in the sample. This technique was successfully applied to the accurate determination of two-photon absorption (2PA) circular dichroism and 2PA circular-linear dichroism in a chiral solution. To our knowledge, this is the first time these nonlinear optical effects have been accurately measured. Our technique is expected to lead efforts in the study of biological systems and in the design of metamaterials with a negative refractive index. (C) 2008 Optical Society of America

    Journal Title

    Optics Letters

    Volume

    33

    Issue/Number

    24

    Publication Date

    1-1-2008

    Document Type

    Article

    First Page

    2958

    Last Page

    2960

    WOS Identifier

    WOS:000262609000026

    ISSN

    0146-9592

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