Abstract
Current diode laser based projections systems suffer from low output power and hence poor visibility, especially of the red laser sources. An additional constraint for flying-spot projection is that the light source should feature an almost diffraction limited beam and a low speckle contrast. This can be achieved with tapered lasers (TPL) [1], but the output power is limited to about 1 W. One possible way to further increase the luminance is spectral beam combining of multiple emitters.
© 2013 IEEE
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