Stokes vector based second harmonic generation microscopy reveals molecular structure

Nirmal Mazumder, Jianjun Qiu, Fu Jen Kao

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We developed a four-channel photon counting based Stokes polarimeter for spatial characterization of polarization properties of Second Harmonic (SH) light. In this way, the critical polarization parameters can be obtained concurrently without the need of repeated image acquisition. Various polarization parameters, including the degree of polarization (DOP), the degree of linear polarization (DOLP), and the degree of circular polarization (DOCP), are extracted from the reconstructed 2D Stokes vector based SH images in a pixel-by-pixel manner. The Stokes vector measurements are further extended by varying the polarization states of the incident light and recording the resulting Stokes parameters of the SH signal. In turn this allows the molecular structure and orientation of the samples to be determined. Use of Stokes polarimetry is critical in determination of the full polarization state of light, and enables discrimination of material properties not possible with conventional crossed-polarized detection schemes. The combination of SHG microscopy and Stokes polarimeter hence makes a powerful tool to investigate the structural order of targeted specimens.

Original languageEnglish
Title of host publicationFrontiers in Optics, FiO 2016
PublisherOSA - The Optical Society
ISBN (Print)9781943580194
DOIs
Publication statusPublished - 2016
EventFrontiers in Optics, FiO 2016 - Rochester, United States
Duration: 17-10-201621-10-2016

Conference

ConferenceFrontiers in Optics, FiO 2016
CountryUnited States
CityRochester
Period17-10-1621-10-16

Fingerprint

Harmonic generation
Molecular structure
Microscopic examination
Polarization
Polarimeters
Pixels
Circular polarization
Molecular orientation
Image acquisition
Materials properties
Photons

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

Cite this

Mazumder, N., Qiu, J., & Kao, F. J. (2016). Stokes vector based second harmonic generation microscopy reveals molecular structure. In Frontiers in Optics, FiO 2016 OSA - The Optical Society. https://doi.org/10.1364/FIO.2016.FW2C.3
Mazumder, Nirmal ; Qiu, Jianjun ; Kao, Fu Jen. / Stokes vector based second harmonic generation microscopy reveals molecular structure. Frontiers in Optics, FiO 2016. OSA - The Optical Society, 2016.
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Mazumder, N, Qiu, J & Kao, FJ 2016, Stokes vector based second harmonic generation microscopy reveals molecular structure. in Frontiers in Optics, FiO 2016. OSA - The Optical Society, Frontiers in Optics, FiO 2016, Rochester, United States, 17-10-16. https://doi.org/10.1364/FIO.2016.FW2C.3

Stokes vector based second harmonic generation microscopy reveals molecular structure. / Mazumder, Nirmal; Qiu, Jianjun; Kao, Fu Jen.

Frontiers in Optics, FiO 2016. OSA - The Optical Society, 2016.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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