OPTICAL SCANNING APPARATUS AND OPTICAL SCANNING IMAGE PROJECTION APPARATUS
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United States of America Patent
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Issued Date -
Feb 6, 2014
app pub date -
Jul 24, 2013
filing date -
Jul 31, 2012
priority date (Note) -
Abandoned
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Abstract
An optical scanning apparatus is configured to use a composite laser light source element provided with a plurality of semiconductor laser light sources in a single housing and thereby align both the irradiation position and the light flux parallel characteristics of respective laser light fluxes emitted from respective semiconductor laser light sources in the light source element. A light flux synthesis apparatus is used that includes two reflective mirrors inclined at 45 degrees relative to the optical axis of the respective incident light fluxes, and mutually inclined by a predetermined minute relative angle φ. The parallel characteristics of the respective laser light fluxes are aligned by the angle φ imparted to the reflective mirrors, and the irradiation position of the respective laser light fluxes is aligned by imparting predetermined wavelength-selectable characteristics or polarization selectable characteristics in relation to the deflection mirror to reflective surface of the reflective mirror.
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