High resolution imaging with TM<sub>01</sub> laser beams

Harold Dehez; Michel Piché; Yves De Koninck

doi:10.1117/12.807304

12 August 2008 High resolution imaging with TM₀₁ laser beams

Harold Dehez, Michel Piché, Yves De Koninck

Author Affiliations +

Proceedings Volume 7099, Photonics North 2008; 70990I (2008) https://doi.org/10.1117/12.807304
Event: Photonics North 2008, 2008, Montréal, Canada

Abstract

We present two optical systems that can transform a Gaussian beam into the lowest-order transverse magnetic laser beam (the so-called TM₀₁ laser beam). When a TM₀₁ laser beam is focused by an objective with a high numerical aperture (NA > 0.9), theory predicts the appearance of a bright central feature at focus; the width of this feature is smaller than that of the focal spot obtained with a Gaussian beam [1,2]. Our goal is to improve the lateral resolution of two-photon microscopy when a TM₀₁ laser beam is used.

Citation Download Citation

Harold Dehez, Michel Piché, and Yves De Koninck "High resolution imaging with TM₀₁ laser beams", Proc. SPIE 7099, Photonics North 2008, 70990I (12 August 2008); https://doi.org/10.1117/12.807304

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