Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jun-ho Lee0
Sang-moon Lee0
Taek Kim0
Date of Patent
July 29, 2008
0Patent Application Number
115009160
Date Filed
August 9, 2006
0Patent Primary Examiner
Patent abstract
The VECSEL includes: a heat spreader dissipating generated heat; a laser chip that is disposed on the heat spreader and is excited by a pump beam of a predetermined wavelength to emit a beam of a first wavelength; a Second Harmonic Generation (SHG) crystal that is disposed on the laser chip or the heat spreader and converts the laser beam of the first wavelength emitted from the laser chip into a beam having a second wavelength that is one-half the first wavelength; and a planar external cavity mirror that is directly formed on the SHG crystal and has a predetermined transmittance with respect to the beam of the second wavelength.
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