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Highly sensitive tunable diode laser absorption spectroscopy of CO2 around 1.53 μm
wavelength modulation diode lasers absorption spectroscopy
2011/4/28
The absolute absorption spectrum intensities of carbon dioxide sample have been recorded with a tunable diode laser spectrometer in the spectral range 6506–6520 cm–1, which is suitable for the in situ...
Research on absorption spectroscopy of CH4 around 1.315 μm
modulation spectroscopy diode lasers the second harmonic detection
2011/4/26
Measurements have been made about the absorption features of CH4 around 1.315 μm by using the second harmonic detection technique of tunable diode laser with multipass cell (white). Studies concerning...
Cavity enhanced absorption spectroscopy of carbon dioxide using a DFB diode laser and a swept optical cavity
spectroscopy cavity enhanced absorption spectroscopy (CEAS) carbon dioxide
2011/4/26
A compact DFB tunable diode laser operating around 1.572 mm was used to study the cavity enhanced absorption spectroscopy of carbon dioxide near 1.572 mm. It was experimentally demonstrated that a nar...