A contactless microwave-based diagnostic tool for high repetition rate laser systems

We report on a novel electro-optic device for the diagnostics of high repetition rate laser systems. It is composed of a microwave receiver and of a second order nonlinear crystal, whose irradiation with a train of short laser pulses produces a time-dependent polarization in the crystal itself as a...

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Bibliographic Details
Published in:Review of scientific instruments 2014-02, Vol.85 (2), p.023105-023105
Main Authors: Braggio, C, Borghesani, A F
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
CRYSTALS
Diagnostic software
Diagnostic systems
EMISSION
IRRADIATION
LASERS
MICROWAVE RADIATION
Microwaves
POLARIZATION
PULSES
Repetition
Scientific apparatus & instruments
TIME DEPENDENCE
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Summary:We report on a novel electro-optic device for the diagnostics of high repetition rate laser systems. It is composed of a microwave receiver and of a second order nonlinear crystal, whose irradiation with a train of short laser pulses produces a time-dependent polarization in the crystal itself as a consequence of optical rectification. This process gives rise to the emission of microwave radiation that is detected by a receiver and is analyzed to infer the repetition rate and intensity of the pulses. We believe that this new method may overcome some of the limitations of photodetection techniques.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.4865717