To provide an optical adjusting method of a laser unit which can comparatively simply obtain the laser unit in which a beam exiting position, a beam exiting direction, and a focal position of a laser output for use are highly accurately adjusted, and to provide an optical apparatus using the laser unit, and a method for assembling the optical apparatus.
In the optical adjusting method of the laser unit 50 comprising at least a laser 1, an optical member 2, one or more holding members 3, 5 for holding the laser 1 and/or the optical member 2, and a heat discharging member 4, the optical member 2 is fixed on the holding member 3, the laser 1 is directly or indirectly thermally brought into contact with the heat discharging member 4, and in an exiting state of laser beam L, the exiting position and the exiting direction of the laser 1 to the optical member 2 are optically adjusted.
AZUMA KATSUHIRO
FUKUI TATSUO
OKA MICHIO
Hironobu Isoyama
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