✧˚⋆ DEVLOG 6: The last three weeks of my project have been subject to great stagnation - However, I now have been able to photograph fringes! (See photo 2).

Unfortunately, they appear to be a mix of Michaelson fringes and lens (Newton) interference (remain when one mirror is blocked) - the latter kind is useless to measure wavelengths, so we now only want stronger Michaelson fringes, which appear more as bands or arcs of light. (noticeable now yet currently hard to image)

To come to this, I’ve had to reprint the LMB and LDM to allow translation (and some rotational) alignment with screws, reworked the mirror mounting system screws (removing bolts) and reprinted the solenoid cover from Devlog 5. This has allowed my alignment to be much more precisely adjustable - it has also made it more tedious to align. To this effect, I added ruler and protractor markings for the MMM, LDM and LMB to serve as alignment guides, and since, I’ve added guides to the MMM to make sure the mirror follows more linear guides.

These changes insure that I can now very finely adjust angles and mirror distances prop. to beam splitter to be equal - which is what we need!

For acronyms list, and further info on how the alignment process is done, check out the project GitHub! :)