Optical Heterodyne-Detected Raman-Induced Kerr Effect (OHD-RIKE) Microscopy

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Optical Heterodyne-Detected Raman-Induced Kerr Effect (OHD-RIKE) Microscopy

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Title: Optical Heterodyne-Detected Raman-Induced Kerr Effect (OHD-RIKE) Microscopy
Author: Freudiger, Christian W.; Roeffaers, Maarten B. J.; Zhang, Xu; Saar, Brian G.; Min, Wei; Xie, Xiaoliang Sunney

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Citation: Freudiger, Christian W., Maarten B. J. Roeffaers, Xu Zhang, Brian G. Saar, Wei Min, and X. Sunney Xie. 2011. Optical Heterodyne-Detected Raman-Induced Kerr Effect (OHD-RIKE) Microscopy. The Journal of Physical Chemistry B 115(18): 5574-5581.
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Abstract: Label-free microscopy based on Raman scattering has been increasingly used in biomedical research to image samples that cannot be labeled or stained. Stimulated Raman scattering (SRS) microscopy allows signal amplification of the weak Raman signal for fast imaging speeds without introducing the nonresonant background and coherent image artifacts that are present in coherent anti-Stokes Raman scattering (CARS) microscopy. Here we present the Raman-induced Kerr effect (RIKE) as a contrast for label-free microscopy. RIKE allows us to measure different elements of the nonlinear susceptibility tensor, both the real and imaginary parts, by optical heterodyne detection (OHD-RIKE). OHD-RIKE microscopy provides information similar to polarization CARS (P-CARS) and interferometric CARS (I-CARS) microscopy, with a simple modification of the two-beam SRS microscopy setup. We show that, while OHD-RIKE microspectroscopy can be in principle more sensitive than SRS, it does not supersede SRS microscopy of heterogeneous biological samples, such as mouse skin tissue, because it is complicated by variations of linear birefringence across the sample.
Published Version: doi:10.1021/jp1113834
Other Sources: http://bernstein.harvard.edu/papers/J%20PHYS%20CHEM%20B%20v115%205574-81%20MAY%202011%20FREUDIGER.pdfhttp://bernstein.harvard.edu/papers/J%20PHYS%20CHEM%20B%20v115%205574-81%20MAY%202011%20FREUDIGER.pdf
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:11501709
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