Laser Apparatus with Cascade of Nonlinear Frequency Mixers

Research output: Patent

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Abstract

A laser apparatus comprising: a first laser source operable to generate a first laser beam having a least a beam component having a first frequency

a second laser source operable to generate a second laser beam having a least a beam component having a second frequency

a beam combiner operable to combine the first and second laser beams into a combined initial laser beam comprising at least a frequency component having the first frequency, and a frequency component having the second frequency

one or more nonlinear frequency mixers operable to perform a frequency mixing process of a frequency component having the first frequency and a frequency component having the second frequency and resulting in at least a frequency component having a third frequency equal to a sum or difference of the first and second frequencies

wherein the laser apparatus is configured to direct the combined initial laser beam through a first one of the one or more nonlinear frequency mixers resulting in a first frequency-mixed beam, the first frequency-mixed beam comprising a frequency component having the first frequency, a frequency component having the second frequency, and a frequency component having the third frequency

wherein the laser apparatus is further configured to direct the resulting first frequency-mixed beam along an intermediate beam path to a subsequent nonlinear frequency mixer chosen from the first and another one of the one or more nonlinear frequency mixers, resulting in a second frequency-mixed beam comprising at least an output frequency component having at least said third frequency

a dispersive element configured to adjustably change an optical path length of the intermediate beam path of the first frequency-mixed beam so as to compensate for dispersion along at least the intermediate beam path.

Original languageEnglish
IPCG02F1/35
Patent numberWO2015091353
Filing date25/06/2015
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date19/12/2013
Priority numberEP20130198398
Publication statusPublished - 25 Jun 2015

Bibliographical note

Also registered as: WO2014EP77750, EP20130198398

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