Multimodal nonlinear optical polarizing microscopy of long-range molecular order in liquid crystals

作者：Lee Taewoo; Trivedi Rahul P; Smalyukh Ivan I^*

来源：Optics Letters, 2010, 35(20): 3447-3449.

DOI：10.1364/ol.35.003447

We demonstrate orientation-sensitive multimodal nonlinear optical polarizing microscopy capable of probing orientational, polar, and biaxial features of mesomorphic ordering in soft matter. This technique achieves simultaneous imaging in broadband coherent anti-Stokes Raman scattering, multiphoton excitation fluorescence, and multiharmonic generation polarizing microscopy modes and is based on the use of a single femtosecond laser and a photonic crystal fiber as sources of the probing light. We show the viability of this technique for mapping of three-dimensional patterns of molecular orientations and show that images obtained in different microscopy modes are consistent with each other.

• 出版日期2010-10-15