Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Vladimir Krupkin0
Efrat Lifshitz0
Ehud Galun0
Marina Sirota0
Aldona Sashchiuk0
Date of Patent
December 16, 2008
0Patent Application Number
115821330
Date Filed
October 16, 2006
0Patent Primary Examiner
Patent abstract
A passive Q-switch for a laser system, and a method for its production. The laser is operative at near infrared wavelength region, including the eye-safe region. The Q-switch includes a saturable absorber based on IV-VI semiconductor nanocrystals (NCs), embedded in a polymer matrix. The NCs preferably include lead selenide, lead sulfide, or lead selenide sulfide. The NCs may be surface passivated, and may feature a PbSe/PbS core-shell configuration.
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