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Updated: Oct 29, 2025

Differential Imaging of Biological Structures with Doubly-resonant Coherent Anti-stokes Raman Scattering CARS
Published on: October 17, 2010
Anti-Stokes Raman Scattering of Single Carbyne Chains
Cla Duri Tschannen1, Martin Frimmer1, Georgy Gordeev2
1Photonics Laboratory, ETH Zürich, 8093 Zürich, Switzerland.
Abstract:
We investigate the anti-Stokes Raman scattering of single carbyne chains confined inside double-walled carbon nanotubes. Individual chains are identified using tip-enhanced Raman scattering (TERS) and heated by resonant excitation with varying laser powers. We study the temperature dependence of carbyne's Raman spectrum and quantify the laser-induced heating based on the anti-Stokes/Stokes ratio. Due to its molecular size and its large Raman cross section, carbyne holds great promise for local temperature monitoring, with potential applications ranging from nanoelectronics to biology.
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