Shedding light on diatom photonics by means of digital holography

Giuseppe Di Caprio; Giuseppe Coppola; Luca De Stefano; Mario De Stefano; Alessandra Antonucci; Roberta Congestri; Edoardo De Tommasi

doi:10.1002/jbio.201200198

Shedding light on diatom photonics by means of digital holography

Giuseppe Di Caprio^*, Giuseppe Coppola, Luca De Stefano, Mario De Stefano, Alessandra Antonucci, Roberta Congestri, Edoardo De Tommasi

^*Corresponding author for this work

Biomedical Engineering

Research output: Contribution to journal › Article › peer-review

53 Citations (Scopus)

17 Downloads (Pure)

Abstract

Diatoms are among the dominant phytoplankters in the world's oceans, and their external silica investments, resembling artificial photonic crystals, are expected to play an active role in light manipulation. Digital holography allowed studying the interaction with light of Coscinodiscus wailesii cell wall reconstructing the light confinement inside the cell cytoplasm, condition that is hardly accessible via standard microscopy. The full characterization of the propagated beam, in terms of quantitative phase and intensity, removed a long-standing ambiguity about the origin of the light confinement. The data were discussed in the light of living cell behavior in response to their environment.

Original language	English
Pages (from-to)	341-350
Number of pages	10
Journal	Journal of Biophotonics
Volume	7
Issue number	5
Early online date	14 Dec 2012
DOIs	https://doi.org/10.1002/jbio.201200198
Publication status	Published - 2 May 2014

Keywords

diatoms
digital holography
marine biology
microscopy

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10.1002/jbio.201200198

Di-Caprio-etal-JB-2014-Shedding-light-on-diatom-photonicsAccepted author manuscript, 1.66 MBLicence: Strath_1

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abstract = "Diatoms are among the dominant phytoplankters in the world's oceans, and their external silica investments, resembling artificial photonic crystals, are expected to play an active role in light manipulation. Digital holography allowed studying the interaction with light of Coscinodiscus wailesii cell wall reconstructing the light confinement inside the cell cytoplasm, condition that is hardly accessible via standard microscopy. The full characterization of the propagated beam, in terms of quantitative phase and intensity, removed a long-standing ambiguity about the origin of the light confinement. The data were discussed in the light of living cell behavior in response to their environment.",

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AU - Di Caprio, Giuseppe

AU - Coppola, Giuseppe

AU - Stefano, Luca De

AU - Stefano, Mario De

AU - Antonucci, Alessandra

AU - Congestri, Roberta

AU - Tommasi, Edoardo De

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AB - Diatoms are among the dominant phytoplankters in the world's oceans, and their external silica investments, resembling artificial photonic crystals, are expected to play an active role in light manipulation. Digital holography allowed studying the interaction with light of Coscinodiscus wailesii cell wall reconstructing the light confinement inside the cell cytoplasm, condition that is hardly accessible via standard microscopy. The full characterization of the propagated beam, in terms of quantitative phase and intensity, removed a long-standing ambiguity about the origin of the light confinement. The data were discussed in the light of living cell behavior in response to their environment.

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KW - digital holography

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Shedding light on diatom photonics by means of digital holography

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