Upconversion Reloaded
Optics & Photonics Focus
Volume 13 Story 5 - 18/5/2011

Red light turns blue

In Dam and colleagues’ experiment, the red emission of a light bulb was converted into blue using a nonlinear crystal inside a laser cavity. After the conversion, the blue image was captured with high resolution using a standard CCD camera.
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Red light turns blue. In Dam and colleagues’ experiment, the red emission of a light bulb was converted into blue using a nonlinear crystal inside a laser cavity. After the conversion, the blue image was captured with high resolution using a standard CCD camera.