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Conference Paper
Conference on Lasers and Electro-Optics
Baltimore, Maryland United States
May 31, 2009 - June 5, 2009
ISBN: 978-1-55752-869-8
Joint CLEO Poster Session I (JTuD)

Wavelength Modulation in Tunable Diode Laser Photoacoustic Spectroscopy

Jaakko Saarela, Juha Toivonen, Albert Manninen, Tapio Sorvajärvi, and Rolf Hernberg


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Wavelength modulation waveforms were studied in tunable diode laser photoacoustic spectroscopy by way of simulations and experiments. The modulation waveforms were sinusoidal, triangular, shaped, and quasi-square waves. The quasi-square waveform gave the largest signal-to-noise ratio.

© 2009 The Optical Society

OCIS Codes
(300.0300) Spectroscopy : Spectroscopy
(300.6260) Spectroscopy : Spectroscopy, diode lasers
(300.6430) Spectroscopy : Spectroscopy, photothermal

J. Saarela, J. Toivonen, A. Manninen, T. Sorvajärvi, and R. Hernberg, "Wavelength Modulation in Tunable Diode Laser Photoacoustic Spectroscopy," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper JTuD82.

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