Background-free 3D chemical imaging based on polarization coherent Raman holography

Background-free 3D chemical imaging based on polarization coherent Raman holography

We report on a holographic coherent anti-Stokes Raman scattering imaging by using polarization discrimination for nonresonant background suppression. With reduced polarization scrambling effect under weakly focused excitation, nonresonant background-free coherent Raman imaging is demonstrated. A fas...

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Veröffentlicht in:Optics letters 2015-05, Vol.40 (9), p.2095-2098
Hauptverfasser: Lv, Yonggang, Ji, Ziheng, Yang, Hong, Shi, Kebin, Gong, Qihuang
Format: Artikel
Sprache:eng
Schlagworte:
Coherence
Coherent scattering
Discrimination
Excitation
Holography
Imaging
Polarization
Raman scattering
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Zusammenfassung:We report on a holographic coherent anti-Stokes Raman scattering imaging by using polarization discrimination for nonresonant background suppression. With reduced polarization scrambling effect under weakly focused excitation, nonresonant background-free coherent Raman imaging is demonstrated. A fast chemically selective imaging is achieved in a three-dimensional volume of 70  μm ×70  μm ×100  μm in 2 s.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.40.002095