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  Double-pass Fourier transform imaging spectroscopy

Heintzmann, R., Lidke, K. A., & Jovin, T. M. (2004). Double-pass Fourier transform imaging spectroscopy. Optics Express, 12, 753-763. Retrieved from http://adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004OExpr.12.753H&link_type=EJOURNAL.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-EE08-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-E532-0
Genre: Journal Article

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Heintzmann, R.1, Author              
Lidke, K. A.1, Author              
Jovin, T. M.1, Author              
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1Department of Molecular Biology, MPI for biophysical chemistry, Max Planck Society, ou_578628              

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 Abstract: Fourier Transform Imaging Spectroscopy (FTIS) has recently emerged as a widely used tool for spectral imaging of biological fluorescent samples. Here we report on a novel double-pass FTIS system capable of obtaining an excitation as well as an emission spectrum of a fluorescent sample with only a single sweep of the interferometer. This result is achieved by a modification of an existing FTIS system, which now places the excitation source before the interferometer so as to spectrally modulate the excitation as well as the detection. An analysis of the acquired signal allows for the reconstruction of the excitation as well as the emission spectrum of each fluorophore, assuming an independence of the two spectra for each fluorophore. Due to the patterned excitation generated by the Sagnac interferometer, a substantial degree of optical sectioning is achieved at excitation wavelengths. Further analysis of the acquired data also enables the generation of optically sectioned emission images. A theoretical analysis and experimental data based on fluorescent beads are presented.

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Language(s): eng - English
 Dates: 2004-03-122004-03-08
 Publication Status: Published in print
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 Rev. Method: Peer
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Title: Optics Express
Source Genre: Journal
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Pages: - Volume / Issue: 12 Sequence Number: - Start / End Page: 753 - 763 Identifier: -