Performing third-harmonic-generation (THG) microscopy with a cylindrically focused Gaussian beam results in significant differences from standard THG microscopy owing to the different phase-matching geometry. These differences are characterized analytically in the slowly varying envelope approximation. It is shown that THG is not observed in samples with normal dispersion even for line illumination. We use this to perform video-rate THG microscopy.
|Number of pages||5|
|Journal||Journal of the Optical Society of America B: Optical Physics|
|Publication status||Published - Nov 2004|
ASJC Scopus subject areas
- Statistical and Nonlinear Physics
- Atomic and Molecular Physics, and Optics