Generation of axially modulated plasma waveguides using a spatial light modulator | Zendy

George Hine | Zendy; A. J. Goers | Zendy; Linus Feder | Zendy; Jennifer Elle | Zendy; S. J. Yoon | Zendy; H. M. Milchberg | Zendy

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Generation of axially modulated plasma waveguides using a spatial light modulator

Author(s) -

George Hine,

A. J. Goers,

Linus Feder,

Jennifer Elle,

S. J. Yoon,

H. M. Milchberg

Publication year - 2016

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.41.003427

Subject(s) - axicon , optics , spatial light modulator , laser , materials science , axial symmetry , plasma , pulse (music) , phase modulation , optical modulator , physics , laser beams , quantum mechanics , detector , phase noise

We demonstrate the generation of axially modulated plasma waveguides using spatially patterned high-energy laser pulses. A spatial light modulator (SLM) imposes transverse phase front modulations on a low-energy (10 mJ) laser pulse which is interferometrically combined with a high-energy (130-450 mJ) pulse, sculpting its intensity profile. This enables dynamic and programmable shaping of the laser profile limited only by the resolution of the SLM and the intensity ratio of the two pulses. The plasma density profile formed by focusing the patterned pulse with an axicon lens is likewise dynamic and programmable. Centimeter-scale, axially modulated plasmas of varying shape and periodicity are demonstrated.

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