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Mechanisms of Epi-Detected Stimulated Raman Scattering Microscopy
Epi-detection is indispensible for stimulated Raman scattering (SRS) imaging of opaque samples. We present an analysis of the mechanisms underlying the generation of epi-detected SRS signals. By study of forward- and epi-detected SRS signals from pharmaceutical films of controlled thickness and scat...
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Published in: | IEEE journal of selected topics in quantum electronics 2012-01, Vol.18 (1), p.384-388 |
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creator | Pu Wang Slipchenko, M. N. Bo Zhou Pinal, R. Ji-Xin Cheng |
description | Epi-detection is indispensible for stimulated Raman scattering (SRS) imaging of opaque samples. We present an analysis of the mechanisms underlying the generation of epi-detected SRS signals. By study of forward- and epi-detected SRS signals from pharmaceutical films of controlled thickness and scatterer density, we show that the epi-detected SRS signal arises from the backscattering of the forward-propagating probe photons. Furthermore, we show that both forward- and epi-detected SRS signal intensity linearly depends on the local oscillator power at the detector at the same slope. Under the same excitation conditions, stimulated Raman loss produces a larger epi-detected signal than stimulated Raman gain due to the larger scattering cross section of light with a shorter wavelength. |
doi_str_mv | 10.1109/JSTQE.2011.2157463 |
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Under the same excitation conditions, stimulated Raman loss produces a larger epi-detected signal than stimulated Raman gain due to the larger scattering cross section of light with a shorter wavelength.</description><subject>Laser beams</subject><subject>Local oscillators</subject><subject>Microscopy</subject><subject>nonlinear optical microscopy</subject><subject>Photonics</subject><subject>Raman scattering</subject><subject>scattering</subject><subject>stimulated Raman scattering (SRS)</subject><issn>1077-260X</issn><issn>1558-4542</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNo9kNtKw0AURQdRsFZ_QF_yA4ln7sljqfFGi2gq-BamkzM60lzIxIf-vYktPp3NgbU3LEKuKSSUQnb7XGxe84QBpQmjUgvFT8iMSpnGQgp2OmbQOmYKPs7JRQjfAJCKFGZksUb7ZRof6hC1Lso7H9_hgHbAKioGX__szBTfTG2aqLBmGLD3zWe09rZvg227_SU5c2YX8Op45-T9Pt8sH-PVy8PTcrGKLVN6iI02vLJaKyEEyrSiSmrt3JZnXI4vo0EgbpmFFKSpOOOZdTxLnRBMVdoCnxN26J2GQ4-u7Hpfm35fUignCeWfhHKSUB4ljNDNAfKI-A-MyywDwX8BW_VYZg</recordid><startdate>201201</startdate><enddate>201201</enddate><creator>Pu Wang</creator><creator>Slipchenko, M. 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N.</creatorcontrib><creatorcontrib>Bo Zhou</creatorcontrib><creatorcontrib>Pinal, R.</creatorcontrib><creatorcontrib>Ji-Xin Cheng</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE/IET Electronic Library (IEL)</collection><collection>CrossRef</collection><jtitle>IEEE journal of selected topics in quantum electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pu Wang</au><au>Slipchenko, M. 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Furthermore, we show that both forward- and epi-detected SRS signal intensity linearly depends on the local oscillator power at the detector at the same slope. Under the same excitation conditions, stimulated Raman loss produces a larger epi-detected signal than stimulated Raman gain due to the larger scattering cross section of light with a shorter wavelength.</abstract><pub>IEEE</pub><doi>10.1109/JSTQE.2011.2157463</doi><tpages>5</tpages></addata></record> |
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source | IEEE Electronic Library (IEL) Journals |
subjects | Laser beams Local oscillators Microscopy nonlinear optical microscopy Photonics Raman scattering scattering stimulated Raman scattering (SRS) |
title | Mechanisms of Epi-Detected Stimulated Raman Scattering Microscopy |
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