Tightly focused, ultrafast TM01 laser pulses

Alexandre April

doi:10.1117/12.838383

4 August 2009 Tightly focused, ultrafast TM₀₁ laser pulses

Alexandre April

Proceedings Volume 7386, Photonics North 2009; 73862X (2009) https://doi.org/10.1117/12.838383
Event: Photonics North 2009, 2009, Quebec, Canada

Abstract

Nowadays, the generation of laser pulses focused to a spot size comparable to the wavelength and whose duration is only a few optical cycles of the electric field is achievable. Moreover, TM₀₁ laser pulses are of considerable interest, among other things, because of their remarkable focusing properties. In order to describe theoretically the spatiotemporal behaviour of such nonparaxial, ultrashort TM₀₁ pulses, one needs expressions of their electromagnetic fields. To obtain these expressions, Maxwell's equations must be solved rigorously. The method of the Hertz potential, the complex-source/sink model, and the use of a Poisson-like spectrum are exploited to solve the vectorial wave equation. Closed-form expressions for the electric and the magnetic fields of an isodiffracting TM₀₁ pulse are presented and they can be used to study the behaviour of tightly focused, ultrafast TM pulses.

Citation Download Citation

Alexandre April "Tightly focused, ultrafast TM₀₁ laser pulses", Proc. SPIE 7386, Photonics North 2009, 73862X (4 August 2009); https://doi.org/10.1117/12.838383

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