Optimization of second-harmonic generation microscopy |
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Authors: | Gauderon R Lukins P B Sheppard C J |
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Affiliation: | Department of Physical Optics, School of Physics A28, University of Sydney, 2006, Sydney, NSW, Australia. |
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Abstract: | We describe the principles and characteristics of second-harmonic generation imaging (SHGI) and explore various methods for optimization of the technique. Second-harmonic imaging is optimized for ultrashort laser pulses, high numerical aperture microscope objectives, a highly sensitive non-descanned large area detector, pseudo-phase-matching, and specimens with large second-order non linearity or which exhibit surface plasmon enhanced phenomena. We also compare and contrast the techniques of SHGI and two-photon excited fluorescence imaging. |
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