8
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LASER OPTICAL UNIT
8 - 3
8.2 Structure
Laser optical unit (1 beam)
Laser emission unit Laser diode Wavelength: Approx.785 nm
Output power rating: 10 mW
Fine focus lens
Aperture
Cylinder lens
Laser driving PC board (LDR)
Polygonal motor unit Polygonal motor (M4)
Polygonal mirror 8 planes
Polygonal mirror cover
fθ lens 1
fθ lens 2
Mirror
Slit glass
H-sync signal detection PC board
(SNS)
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