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|Title:||Elliptically polarized coherent anti-stokes Raman scattering microscopy for high contrast vibrational imaging|
|Authors:||Huang, Z. |
|Source:||Huang, Z.,Lu, F.,Zheng, W. (2009). Elliptically polarized coherent anti-stokes Raman scattering microscopy for high contrast vibrational imaging. Optics InfoBase Conference Papers. ScholarBank@NUS Repository.|
|Abstract:||We report on a novel coherent anti-Stokes Raman scattering (CARS) microscopy that significantly suppresses the nonresonant background for high contrast vibrational imaging. We employ an elliptically polarized pump field with an aspect ratio of 1 : √3 of the ellipse combined with a linearly polarized Stokes field for elliptically polarized CARS (EP-CARS) microscopy. The EP-CARS technique yields a 6-7-fold improvement in signal-to-background ratios compared with normal CARS, while providing an approximately 1.25-fold improvement in resonant CARS signal compared with normal polarization-sensitive CARS microscopy. We demonstrate this technique by imaging 1.5 μm polystyrene beads in water. © 2008 Optical Society of America.|
|Source Title:||Optics InfoBase Conference Papers|
|Appears in Collections:||Staff Publications|
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