QEPAS utilizes resonant excitation of a tuning fork by focusing a modulated laser beam between its prongs. By focusing onto one prong, a new compact detector for THz, MIR and VIS-radiation can be set up.
© 2008 Optical Society of America
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.1880) Instrumentation, measurement, and metrology : Detection
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.4788) Remote sensing and sensors : Optical sensing and sensors
A. Pohlkötter, U. Willer, C. Bauer, T. Schossig, M. Mordmüller, and W. Schade, "Biomedical OpticsTuning Fork Based Resonant Detection Schemes for Electro-Magnetic Radiation," in Laser Applications to Chemical, Security and Environmental Analysis, OSA Technical Digest (CD) (Optical Society of America, 2008), paper JMA29.