Abstract
The absorption spectrum of formaldehyde at 1.573 μ m has been recorded at room temperature with a typical sensitivity of 6 × 10 - 8 cm - 1 by using an off-axis integrated cavity output spectroscopy set-up based on a distributed feedback diode laser. More than 140 lines have been recorded within the laser spectral range ( 6351.3 – 6362.1 cm - 1 ) . The corresponding spectral parameters (i.e. line positions and line intensities) are presented.
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