Scanning second-harmonic/third-harmonic generation microscopy of gallium nitride
- 3 October 2000
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 77 (15) , 2331-2333
- https://doi.org/10.1063/1.1316776
Abstract
Scanning second-harmonic generation and third-harmonic generation microscopy of a gallium nitride (GaN) sample was demonstrated using a femtosecond Cr:forsterite laser. Taking advantage of the electric-field enhanced second-harmonic generation effect and bandtail state resonance effect, the obtained second-harmonic and third-harmonic generation microscopic images revealed the piezoelectric field and bandtail state distributions in a GaN sample.Keywords
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