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Real-time detection of formaldehyde using PPLN-based mid-infrared laser for study of sick house syndrome

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Abstract

We studied the detection of formaldehyde using a compact 3-μm DFG light source based on a PPLN waveguide. Single-pass DFG of laser diodes enables wavelength modulation spectroscopy and real-time detection.

© 2015 Optical Society of America

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