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projects:optics:log [2026/01/18 18:42] – [Day 2026-01-18 (k8ik, rahix)] rahixprojects:optics:log [2026/01/18 18:47] (current) – [Day 2026-01-18 (k8ik, rahix)] rahix
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 {{:projects:optics:stm-head-mount_20260118_172222024.jpg?600|}} {{:projects:optics:stm-head-mount_20260118_172222024.jpg?600|}}
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 +We glued a tiny (10mm) jewelry mirror to the head.  It's not a first surface mirror but we get clean interference patterns anyway.  The mirror is not perfectly aligned with the piezo axis.  We will have to see if this is going to become a problem.
 +
 +"Experimented" with innovative cleaning agents: [[https://social.fa-fo.de/@fafo/115917130152651864]]
 ==== Day 2026-01-11 (k8ik, rahix) ==== ==== Day 2026-01-11 (k8ik, rahix) ====
 Started setting up a basic michelson interferometer to get a feel for the current system. Started setting up a basic michelson interferometer to get a feel for the current system.