| 摘要 |
A confocal optical scanner according to one aspect of the present invention includes an optical filter. The optical filter includes a plate-shaped body including a first surface and a second surface opposite to the first surface. The first surface has a plurality of pinholes. The optical filter further includes a plurality of first microlenses on the second surface. The first microlenses are disposed nearly coaxially with the pinholes, respectively. |
