JOURNAL ARTICLE

Enhancement of the stimulated Raman scattering of aqueous sulfuric acid solutions via cascaded resonance.

  • Published In: Applied Physics Letters, 2023, v. 123, n. 21. P. 1 1 of 3

  • Database: Academic Search Ultimate 2 of 3

  • Authored By: Wang, Haixin; Sun, Chenglin; Ye, Yangyang; Li, Huihui; Liang, Wei; Zhang, Wei; Cai, Chendong; Li, Aijun; Fang, Wenhui; Men, Zhiwei 3 of 3

Abstract

This article focuses on the generation of multi-mode resonance-enhanced stimulated Raman scattering (SRS) of water (H₂O) in a low concentration (6.5 mol/L) aqueous sulfuric acid solution. The study demonstrates that the vibrational modes of water molecules, particularly the H–O stretching vibration at 3371 cm⁻¹, undergo cascaded resonance coupling due to increased structural diversity induced by sulfuric acid, resulting in eight distinct SRS Stokes signals distributed around this characteristic peak. This cascaded resonance effect enables energy transfer between closely spaced vibrational modes, enhancing weaker modes and allowing for multi-wavelength broadband stimulated Raman radiation. The findings suggest potential applications in precise laser frequency modulation and the development of multi-wavelength Raman lasers.

Additional Information

  • Source:Applied Physics Letters. 2023/11, Vol. 123, Issue 21, p1
  • Document Type:Article
  • Subject Area:Chemistry
  • Publication Date:2023
  • ISSN:0003-6951
  • DOI:10.1063/5.0169354
  • Accession Number:173861142
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