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Journal of Biophotonics
Article
License: CC BY
Data sources: UnpayWall
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Journal of Biophotonics
Article . 2018 . Peer-reviewed
License: CC BY
Data sources: Crossref
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Reshaping a multimode laser beam into a constructed Gaussian beam for generating a thin light sheet

Authors: Saiedeh Saghafi; Nikoo Haghi-Danaloo; Klaus Becker; Inna Sabdyusheva; Massih Foroughipour; Christian Hahn; Marko Pende; +6 Authors

Reshaping a multimode laser beam into a constructed Gaussian beam for generating a thin light sheet

Abstract

Based on the modal analysis method, we developed a model that describes the output beam of a diode‐pumped solid state (DPSS) laser emitting a multimode beam. Measuring the output beam profile in the near field and at the constructed far field the individual modes, their respective contributions, and their optical parameters are determined. Using this information, the beam is optically reshaped into a quasi‐Gaussian beam by the interference and superposition of the various modes. This process is controlled by a mode modulator unit that includes different meso‐aspheric elements and a soft‐aperture. The converted beam is guided into a second optical unit comprising achromatic‐aspheric elements to produce a thin light sheet for ultramicroscopy. We found that this light sheet is markedly thinner and exhibits less side shoulders compared with a light sheet directly generated from the output of a DPSS multimode laser.

Related Organizations
Subjects by Vocabulary

Microsoft Academic Graph classification: Materials science Near and far field Interference (wave propagation) law.invention Superposition principle Optics law Multi-mode optical fiber business.industry Laser Light sheet fluorescence microscopy business Beam (structure) Gaussian beam

Keywords

Medizin, Normal Distribution, General Physics and Astronomy, Lasers, Solid-State, General Biochemistry, Genetics and Molecular Biology, Mice, Neoplasms, Animals, General Materials Science, Optical Imaging, General Engineering, Brain, General Chemistry, Drosophila melanogaster

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  • citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    3
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Average
Average
Average
hybrid
Related to Research communities
Neuroinformatics