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Time-domain mid-infrared frequency-comb spectrometer
Abstract
A novel type of Fourier-transform infrared spectrometer (FTIR) is demonstrated. It is based on two Ti:sapphire lasers emitting femtosecond pulse trains with slightly different repetition frequencies. Two mid-infrared beams-derived from those lasers by rectification in GaSe-are superimposed upon a detector to produce purely time-domain interferograms that encode the infrared spectrum. The advantages of this spectrometer compared with the common FTIR include ease of operation (no moving parts), speed of acquisition (100 micros demonstrated), and not-yet-shown collimated long-distance propagation, diffraction-limited microscopic probing, and electronically controllable chemometric factoring. Extending time-domain frequency-comb spectroscopy to lower (terahertz) or higher (visible, ultraviolet) frequencies should be feasible.
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Baumann, E., Giorgetta, F. R., Coddington, I. R., Swann, W. C., & Newbury, N. R. (2010) · Conference on Lasers and Electro-Optics · doi:10.1364/cleo.2010.cmn5 · Cited by 1
Mid-infrared frequency comb generation using a continuous-wave pumped optical parametric oscillator
Vainio, M., Ulvila, V., Phillips, C. R., & Halonen, L. (2014) · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · doi:10.1117/12.2053986 · Cited by 1
CO2phase and amplitude spectra measured over 2 km outdoor path with a dual-comb spectrometer
Coddington, I. R., Giorgetta, F. R., Rieker, G. B., Swann, W. C., Zolot, A. M., Sinclair, L. C., Baumann, E., Cromer, C. L., & Newbury, N. R. (2014) · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · doi:10.1117/12.2061931 · Cited by 1
Vodopyanov, K. L. (2013) · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · doi:10.1117/12.2030443 · Cited by 1
Metadata
- Authors
- Keilmann, F., Gohle, C., & Holzwarth, R.
- Affiliations
- Max Planck Society (DE)
- Venue
- Optics Letters
- Publisher
- Optica Publishing Group
- Published
- 2004-07-01
- Volume
- 29
- Issue
- 13
- Pages
- 1542
- ISSN
- 0146-9592 (ISSN-L)
- 1539-4794
- OpenAlex
- W1979221508
- Cited by
- 734
- References
- 10
- Citations by year
- 2026: 22 · 2025: 26 · 2024: 26 · 2023: 50 · 2022: 29 · 2021: 51 · 2020: 56 · 2019: 43 · 2018: 62 · 2017: 40 · 2016: 60 · 2015: 38 · 2014: 41 · 2013: 33 · 2012: 29
- FWCI
- 4.75
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Optics Letters (publishedVersion)
- PubMed (publishedVersion)
- Max Planck Institute for Plasma Physics (submittedVersion)
- MPG.PuRe (Max Planck Society) (submittedVersion)
- Topics
- Physical Sciences › Chemistry › Spectroscopy › Spectroscopy and Laser Applications
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Advanced Fiber Laser Technologies
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
- Keywords
- time-domain interferometry, mid-infrared spectroscopy, Fourier transform infrared spectrometer, femtosecond pulse trains, Ti:sapphire laser, terahertz spectroscopy
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