Demonstration of cavity enhanced FTIR spectroscopy using a femtosecond laser absorption source
(2010) Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy — Vol. 75, n° 1, p. 142-145 (2010)
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- Abstract
- A proof of principle experiment was performed by recording the cavity enhanced absorption spectrum of the weak b–X transition of molecular oxygen in the atmosphere using a Ti:Sa femtosecond laser as an absorption source and a high resolution continuous scan Fourier transform interferometer. The cavity was mode matched and either continuously scanned or stabilized at the so-called magic point. An optimal rms noise equivalent absorption of 3 × 10−7 cm−1 Hz−1/2 was reached in the latter case, corresponding to αmin = 3 × 10−7 cm−1.
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Kassi, S., Didriche, K., Lauzin, C., de Ghellinck d’Elseghem Vaernewijckb, X., Rizopoulos, A., & Herman, M. (2010). Demonstration of cavity enhanced FTIR spectroscopy using a femtosecond laser absorption source. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 75(1), 142-145. https://hdl.handle.net/2078.5/190577 (Original work published 2010)