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A projector with a height of 7 mm has been developed. The projector uses a two dimensional MEMS, a red and blue
diode laser and a second harmonic green laser. This projector module is able to display images with a WVGA resolution
while consuming 1.5 W. Due to the collimated nature of laser beams, the display has a depth of focus that is virtually
unlimited. Future MEMS developments will lead to even thinner projection modules. Furthermore, this projection
technology enables additional display systems such as head-up displays for vehicles.
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Maarten Niesten, Randy Sprague, Josh Miller, "Scanning laser beam displays," Proc. SPIE 7001, Photonics in Multimedia II, 70010E (25 April 2008); https://doi.org/10.1117/12.783330