While scanning, the laser shines across the target surface, and the reflected light is then picked up by the camera. So how does this $25 DIY laser scanner measure up? Great, to be honest.

Like many DIY projects, this microscope is ... One DVD pickup is used to scan the laser in the X-axis, while the other head is modified to carry the sample and move it in the Y-axis.

I built a 3D printed, scanning laser confocal microscope so I could collect 3D surface topology and profilometry data! The microscope stage is based on an OpenFlexure "Delta" stage, and the ...