Title :
1D nano-ultrasonic scan with 1-nanometer spatial resolution
Author :
Lin, Kung-Hsuan ; Yu, Cheng-Ta ; Pan, Chang-Chi ; Chyi, Jen-Inn ; Huang, Sheng-Wen ; Li, Pai-Chi ; Sun, Chi-Kuang
Author_Institution :
Graduate Inst. of Electro-Opt. Eng., Nat. Taiwan Univ., Taipei, Taiwan
Abstract :
Piezoelectric quantum wells can be treated as opto-acoustic transducers to generate and detect acoustic waves with nanometer wavelengths. This opto-acoustic transducer was utilized for 1D ultrasonic scan with 1 nanometer demonstrated resolution.
Keywords :
acoustic transducers; acousto-optical devices; piezoelectricity; semiconductor quantum wells; ultrasonic measurement; acoustic waves detection; opto-acoustic transducers; piezoelectric quantum wells; spatial resolution; ultrasonic scan; Acoustic measurements; Acoustic pulses; Acoustic waves; Gallium nitride; Optical buffering; Optical films; Optical filters; Optimized production technology; Spatial resolution; Ultrafast optics;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1548788
