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Data · dataset · 2025

The data of article "Atmospheric N2O gas detection based on an inter-band cascade laser around 3.939 μm"

Listed in ScienceDB

N2O is a significant atmospheric greenhouse gas that contributes to global warming and climate change.

Description

In this dataset, the high sensitivity detection of atmospheric N2O is achieved using wavelength modulation spectroscopy (WMS) with an inter-band cascade laser operating around 3.939 µm. A LabVIEW-based software signal generator and software lock-in amplifiers are designed to simplify the system.

In order to eliminate the interference from water vapor, the detection was performed at a pressure of 0.1 atm (1 atm = 1.01325×105 Pa) and a drying tube was added to the system. To improve the system performance for long term detection, a novel frequency locking method and 2 f/1 f calibration-free method were employed to lock the laser frequency and calibrate the power fluctuations, respectively.

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Where it is published

Catalogue records · 1

Topics

Inferred from text
Climate change science 73%
Provenance · 1 source records, 13 field assertions
SourceKeyLast seenRaw
ScienceDB10.57760/sciencedb.0267310 d agoJSON v1
FieldAssertionExtractorEvidence
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