Abstract
The paper presents an overview of our main contributions on optomechanical scanners used especially for biomedical applications with high requirements—with a focus on Optical Coherence Tomography (OCT). Rotating polygon scanners (pyramidal or prismatic, normal or inverted) are approached, in their kinematic, kinetostatic and dynamic aspects—with requirements of OCT systems. Oscillatory, galvanometer-based scanners are approached in their optomechanical aspects, with a focus on their dynamical aspects. Their optimal scanning functions were demonstrated—to produce the highest duty cycle (i.e., time efficiency) of the device: linear on the active portions with parabolic non-linear stop-and-turn portions. This result contradicts what was previously considered in the literature, that linear plus sinusoidal scanning functions were optimal. 2D (bi-dimensional) scanning systems with Risley prisms on which we are currently working are also pointed out.
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Acknowledgments
This work was supported by a grant of the Romanian National Authority for Scientific Research, CNDI–UEFISCDI project number PN-II-PT-PCCA-2011-3.2-1682.
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Duma, VF. (2014). Advances in Optomechanical Scanning Technologies for High-End Biomedical Applications. In: Visa, I. (eds) The 11th IFToMM International Symposium on Science of Mechanisms and Machines. Mechanisms and Machine Science, vol 18. Springer, Cham. https://doi.org/10.1007/978-3-319-01845-4_36
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DOI: https://doi.org/10.1007/978-3-319-01845-4_36
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