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Dual-comb hyperspectral digital holography

(2021) NATURE PHOTONICS. 15(12). p.890-894
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Abstract
Holography(1) has always held special appeal as it is able to record and display spatial information in three dimensions(2-10). Here we show how to augment the capabilities of digital holography(11,12) by using a large number of narrow laser lines at precisely defined optical frequencies simultaneously. Using an interferometer based on two frequency combs(13-15) of slightly different repetition frequencies and a lensless camera sensor, we record time-varying spatial interference patterns that generate spectral hypercubes of complex holograms, revealing the amplitudes and phases of scattered wave-fields for each comb line frequency. Advancing beyond multicolour holography and low-coherence holography (including with a frequency comb(16)), the synergy of broad spectral bandwidth and high temporal coherence in dual-comb holography opens up novel optical diagnostics, such as precise dimensional metrology over large distances without interferometric phase ambiguity, or hyperspectral three-dimensional imaging with high spectral resolving power, as we demonstrate with molecule-selective imaging of an absorbing gas.
Keywords
PHASE, LASER

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MLA
Vicentini, Edoardo, et al. “Dual-Comb Hyperspectral Digital Holography.” NATURE PHOTONICS, vol. 15, no. 12, 2021, pp. 890–94, doi:10.1038/s41566-021-00892-x.
APA
Vicentini, E., Wang, Z., Van Gasse, K., Hansch, T. W., & Picque, N. (2021). Dual-comb hyperspectral digital holography. NATURE PHOTONICS, 15(12), 890–894. https://doi.org/10.1038/s41566-021-00892-x
Chicago author-date
Vicentini, Edoardo, Zhenhai Wang, Kasper Van Gasse, Theodor W. Hansch, and Nathalie Picque. 2021. “Dual-Comb Hyperspectral Digital Holography.” NATURE PHOTONICS 15 (12): 890–94. https://doi.org/10.1038/s41566-021-00892-x.
Chicago author-date (all authors)
Vicentini, Edoardo, Zhenhai Wang, Kasper Van Gasse, Theodor W. Hansch, and Nathalie Picque. 2021. “Dual-Comb Hyperspectral Digital Holography.” NATURE PHOTONICS 15 (12): 890–894. doi:10.1038/s41566-021-00892-x.
Vancouver
1.
Vicentini E, Wang Z, Van Gasse K, Hansch TW, Picque N. Dual-comb hyperspectral digital holography. NATURE PHOTONICS. 2021;15(12):890–4.
IEEE
[1]
E. Vicentini, Z. Wang, K. Van Gasse, T. W. Hansch, and N. Picque, “Dual-comb hyperspectral digital holography,” NATURE PHOTONICS, vol. 15, no. 12, pp. 890–894, 2021.
@article{8748454,
  abstract     = {{Holography(1) has always held special appeal as it is able to record and display spatial information in three dimensions(2-10). Here we show how to augment the capabilities of digital holography(11,12) by using a large number of narrow laser lines at precisely defined optical frequencies simultaneously. Using an interferometer based on two frequency combs(13-15) of slightly different repetition frequencies and a lensless camera sensor, we record time-varying spatial interference patterns that generate spectral hypercubes of complex holograms, revealing the amplitudes and phases of scattered wave-fields for each comb line frequency. Advancing beyond multicolour holography and low-coherence holography (including with a frequency comb(16)), the synergy of broad spectral bandwidth and high temporal coherence in dual-comb holography opens up novel optical diagnostics, such as precise dimensional metrology over large distances without interferometric phase ambiguity, or hyperspectral three-dimensional imaging with high spectral resolving power, as we demonstrate with molecule-selective imaging of an absorbing gas.}},
  author       = {{Vicentini, Edoardo and Wang, Zhenhai and Van Gasse, Kasper and Hansch, Theodor W. and Picque, Nathalie}},
  issn         = {{1749-4885}},
  journal      = {{NATURE PHOTONICS}},
  keywords     = {{PHASE,LASER}},
  language     = {{eng}},
  number       = {{12}},
  pages        = {{890--894}},
  title        = {{Dual-comb hyperspectral digital holography}},
  url          = {{http://doi.org/10.1038/s41566-021-00892-x}},
  volume       = {{15}},
  year         = {{2021}},
}

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