NASA NTRS · 20170003575
Injection Seeded Laser for Formaldehyde Differential Fluorescence Lidar
Abstract
We describe the design and development of an injection seeded Nd:YVO4 laser for use in a differential fluorescence lidar for measuring atmospheric formaldehyde profiles. A high repetition rate Q-switched laser is modified to accept injection seed input to spectrally narrow and tune the output. The third harmonic output is used to excite formaldehyde (HCHO) fluorescence when tuned to a HCHO absorption line. Spectral confirmation is made with the use of a photoacoustic cell and grating spectrometer.
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Schwemmer, G., Yakshin, M., Prasad, C., Hanisco, T., Mylapore, A. R., Hwang, I. H., Lee, S.. 2016-06-07. Injection Seeded Laser for Formaldehyde Differential Fluorescence Lidar. https://ntrs.nasa.gov/citations/20170003575
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