DocumentCode
3600393
Title
Background-free heterodyne photoexpansion infrared nanospectroscopy
Author
Feng Lu ; Mingzhou Jin ; Belkin, Mikhail A.
Author_Institution
Dept. of Electr. & Comput. Eng., Univ. of Texas at Austin, Austin, TX, USA
fYear
2015
Firstpage
1
Lastpage
2
Abstract
The unwanted photoacoustic pressure force in photoexpansion spectroscopy, which comes from light absorption of the sample not below the AFM tip, was suppressed at the heterodyne frequency of laser pulses and piezo-driven cantilever oscillation.
Keywords
cantilevers; heterodyne detection; infrared spectroscopy; nanophotonics; photoacoustic effect; background-free heterodyne photoexpansion infrared nanospectroscopy; heterodyne frequency; laser pulses; light absorption; piezo-driven cantilever oscillation; unwanted photoacoustic pressure force; Absorption; Films; Force; Oscillators; Silicon; Spectroscopy; Substrates;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics (CLEO), 2015 Conference on
Type
conf
Filename
7183826
Link To Document