We demonstrate experimentally that the resolution of a two-photon microscope is improved by a factor of 1.7 by using a TM<sup>01</sup>laser beam and a plane interface between dielectrics instead of a Gaussian beam.
© 2009 The Optical Society
H. Dehez, M. Piché, and Y. De Koninck, "Enhanced Resolution in Two-Photon Imaging Using a TM<sup>01</sup>Laser Beam," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference, OSA Technical Digest (CD) (Optical Society of America, 2009), paper JThE62.
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