A 3D-printed mirror mount. Holds the excitation dichroic mirror and the camera mirror.
You will also need 10x M3 grub screws for mirror alignment, 2x M3 countersunk to hold the filter cover, and 40mm long M4 bolts (eg. RS: 304-4609) and nuts to hold the whole shebang together.
The 1" ccd mirror is Thorlabs part BBSQ1-E02.
Dichroic substrates are assumed to be not far from 35.6x25.2x1.1mmm.
There's no argument here. ABS plastic is not the material of choice for mounting optics where high stability is the goal. The thermal coefficient of expansion of ABS plastics are in the region of 70 to 100 ppm / degree C, that's about 4x worse than aluminium (~23ppm/deg). If the temperature of this part changes much, you will see drift in your microscope image.
In this instance we are saved by the large heat sink that surrounds this component, ie. the wosm base. In a temperature controlled room, the temperature fluctuation on this part is a small fraction of a degree. So thermal drift is not an issue and we can get away with using plastic.
NB. do not expect to get good performance out of this part without the base block surrounding it.
||Now with 1" square optic cutout for cyl-lens 3D storm.|
Filter spacers: 3mm 4mm 5mm