- Author
- Edoardo Vicentini, Zhenhai Wang, Kasper Van Gasse (UGent) , Theodor W. Hansch and Nathalie Picque
- Organization
- Project
- 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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Citation
Please use this url to cite or link to this publication: http://hdl.handle.net/1854/LU-8748454
- 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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