High-Frequency and High-Gain Amplification of Photothermal Beam Deflection Angle Using Cylindrical Reflection Mirror
- 1 May 1994
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 33 (5S)
- https://doi.org/10.1143/jjap.33.3251
Abstract
A new technique for amplification of photothermal beam deflection angle was developed. This technique, based on a very simple operation principle, uses a cylindrical reflection mirror for a new deflection amplifier. This paper presents experimental data and the results of theoretical analysis. Mirage signal amplification of more than 35 times was achieved. Additionally, mirage signals obtained with this new deflection-angle amplifier did not significantly decrease even in the high modulation frequency range.Keywords
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