Title :
Trigonal symmetry of type I collagen probed by SHG polarization anisotropy
Author :
Jiang, Bor-Yuan ; Chu, Shi-Wei
Author_Institution :
Dept. of Phys., Nat. Taiwan Univ., Taipei
Abstract :
Conventional second-harmonic-generation anisotropy of collagen is modeled with cylindrical symmetry. We demonstrated that with thin fibrils, trigonal symmetry of constituent triple-helix molecules dominates the anisotropy, but it converged into cylindrical symmetry with thicker fibrils.
Keywords :
optical harmonic generation; SHG polarization anisotropy; cylindrical symmetry; second-harmonic-generation anisotropy; trigonal symmetry; type I collagen; Anisotropic magnetoresistance; Biomedical optical imaging; Crystallization; Geometrical optics; Optical harmonic generation; Optical microscopy; Optical polarization; Optical scattering; Tendons; Tensile stress; (180.4315) Nonlinear microscopy; (190.2620) Harmonic generation and mixing; (290.5855) Scattering, polarization;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
