Abstract
We demonstrate scan-free broadband photothermal spectroscopy for gas sensing. The gas refractive index is modulated by the multiheterodyne beating of two frequency combs and demodulated by an in-line Fabry‐Pérotinterferometer fabricated by a hollow-core fiber.
| Original language | English |
|---|---|
| Article number | EM3D.5 |
| Journal | Optics InfoBase Conference Papers |
| Publication status | Published - Jul 2022 |
| Event | Optics and Photonics for Sensing the Environment, ES 2022 - Vancouver, Canada Duration: 11 Jul 2022 → 15 Jul 2022 |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Mechanics of Materials