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(2) Cylindrical lens
This lens focuses the LASER beam on the planes of the scanning mirror.
Cylindrical lens
Cylindrical lens
(3) Toric lens
This lens corrects the LASER beam again so that it becomes parallel.
LASER beam
LASER beam
Fig. 4-37 Cylindrical Lens
Scanning mirror
LASER beam
Fig. 4-38 Toric Lens
RECORDING SECTION
Scanning mirror
Scanning mirror
Toric lens
1
2
3
4
5
6
ït
çi
4–33
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