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Synthesizing gas-filled anti-resonant hollow-core fiber Raman lines enables access to the molecular fingerprint region

Author

Listed:
  • Yazhou Wang

    (Technical University of Denmark)

  • Lujun Hong

    (Technical University of Denmark
    Nanchang University)

  • Cuiling Zhang

    (Technical University of Denmark)

  • Joseph Wahlen

    (University of Central Florida)

  • J. E. Antonio-Lopez

    (University of Central Florida)

  • Manoj K. Dasa

    (NKT Photonics A/S)

  • Abubakar I. Adamu

    (The Quadrangle)

  • Rodrigo Amezcua-Correa

    (University of Central Florida)

  • Christos Markos

    (Technical University of Denmark
    NORBLIS ApS)

Abstract

The synthesis of multiple narrow optical spectral lines, precisely and independently tuned across the near- to mid-infrared region, is a pivotal research area that enables selective and real-time detection of trace gas species within complex gas mixtures. However, existing methods for developing such light sources suffer from limited flexibility and very low pulse energy, particularly in the mid-infrared domain. Here, we introduce a concept that is based on the combination of an appropriate design of near-infrared fiber laser pump and cascaded configuration of gas-filled anti-resonant hollow-core fiber technology. This concept enables the synthesis of multiple independently tunable spectral lines, with >1 μJ high pulse energies and a few nanoseconds pulse width in the near- and mid-infrared regions. The number and wavelengths of the generated spectral lines can be dynamically reconfigured. A proof-of-concept laser beam synthesized of two narrow spectral lines at 3.99 µm and 4.25 µm wavelengths is demonstrated and combined with photoacoustic modality for real-time SO2 and CO2 detection. The proposed concept also constitutes a promising way for infrared multispectral microscopic imaging.

Suggested Citation

  • Yazhou Wang & Lujun Hong & Cuiling Zhang & Joseph Wahlen & J. E. Antonio-Lopez & Manoj K. Dasa & Abubakar I. Adamu & Rodrigo Amezcua-Correa & Christos Markos, 2024. "Synthesizing gas-filled anti-resonant hollow-core fiber Raman lines enables access to the molecular fingerprint region," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
  • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-52589-8
    DOI: 10.1038/s41467-024-52589-8
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    References listed on IDEAS

    as
    1. Xiaochao Tan & Heng Zhang & Junyu Li & Haowei Wan & Qiushi Guo & Houbin Zhu & Huan Liu & Fei Yi, 2020. "Non-dispersive infrared multi-gas sensing via nanoantenna integrated narrowband detectors," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    2. Pengcheng Zhao & Yan Zhao & Haihong Bao & Hoi Lut Ho & Wei Jin & Shangchun Fan & Shoufei Gao & Yingying Wang & Pu Wang, 2020. "Mode-phase-difference photothermal spectroscopy for gas detection with an anti-resonant hollow-core optical fiber," Nature Communications, Nature, vol. 11(1), pages 1-8, December.
    3. Hesham Sakr & Yong Chen & Gregory T. Jasion & Thomas D. Bradley & John R. Hayes & Hans Christian H. Mulvad & Ian A. Davidson & Eric Numkam Fokoua & Francesco Poletti, 2020. "Hollow core optical fibres with comparable attenuation to silica fibres between 600 and 1100 nm," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    Full references (including those not matched with items on IDEAS)

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