https://arxiv.org/abs/2102.13207 Skip to main content Cornell University We gratefully acknowledge support from the Simons Foundation, member institutions, and all contributors. Donate arxiv logo > physics > arXiv:2102.13207 [ ] Help | Advanced Search [All fields ] Search arXiv logo Cornell University Logo [ ] GO quick links * Login * Help Pages * About Physics > Instrumentation and Detectors arXiv:2102.13207 (physics) [Submitted on 24 Feb 2021] Title:A Step-by-Step Guide to 3D Print Motorized Rotation Mounts for Optical Applications Authors:Daniel P.G. Nilsson, Tobias Dahlberg, Magnus Andersson View a PDF of the paper titled A Step-by-Step Guide to 3D Print Motorized Rotation Mounts for Optical Applications, by Daniel P.G. Nilsson and 2 other authors View PDF Abstract:Motorized rotation mounts and stages are versatile instruments that introduce computer control to optical systems, enabling automation and scanning actions. They can be used for intensity control and position adjustments, etc. However, these rotation mounts come with a hefty price tag, and this limits their use. This work shows how to build two different types of motorized rotation mounts for 1" optics, using a 3D printer and off-the-shelf components. The first is intended for reflective elements, like mirrors and gratings, and the second for transmissive elements, like polarizers and retarders. We evaluate and compare their performance to commercial systems based on velocity, resolution, accuracy, backlash, and axis wobble. Also, we investigate the angular stability using Allan variance analysis. The results show that our mounts perform similar to systems costing more than 2000 Euro, while also being quick to build and costing less than 200 Euro. As a proof of concept, we show how to control lasers used in an optical tweezers and Raman spectroscopy setup. When used for this, the 3D printed motorized rotational mounts provide intensity control with a resolution of $0.03$ percentage points or better. Subjects: Instrumentation and Detectors (physics.ins-det); Applied Physics (physics.app-ph) Cite as: arXiv:2102.13207 [physics.ins-det] (or arXiv:2102.13207v1 [physics.ins-det] for this version) https://doi.org/10.48550/arXiv.2102.13207 Focus to learn more arXiv-issued DOI via DataCite Related https://doi.org/10.1364/AO.422695 DOI: Focus to learn more DOI(s) linking to related resources Submission history From: Magnus Andersson [view email] [v1] Wed, 24 Feb 2021 13:28:38 UTC (31,473 KB) Full-text links: Access Paper: View a PDF of the paper titled A Step-by-Step Guide to 3D Print Motorized Rotation Mounts for Optical Applications, by Daniel P.G. 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