Piezo-fiber multipattern scanner for endoscopy

Miyase Tekpinar; Ramin Khayatzadeh; Onur Ferhanoglu

doi:10.1117/12.2526828

22 July 2019 Piezo-fiber multipattern scanner for endoscopy

Miyase Tekpinar, Ramin Khayatzadeh, Onur Ferhanoglu

Author Affiliations +

Proceedings Volume 11076, Advances in Microscopic Imaging II; 110761E (2019) https://doi.org/10.1117/12.2526828
Event: European Conferences on Biomedical Optics, 2019, Munich, Germany

Abstract

We present a two-dimensional piezoelectric fiber actuator and a novel actuation scheme to establish three different scan patterns with single device. The flexibility in choosing scan patterns offers multiple options for the operator to choose between improved uniformity, high frame-rate to image abrupt biological applications, or circular field-of- view to better image naturally cylindrical cavities (gastrointestinal tract, esophagus, etc.). The presented device is capable of achieving different scan patterns with a robust actuation scheme that demonstrated through first presenting its mechanical frequency behavior, then generating 256 pixel width or diameter raster, spiral, and Lissajous patterns at ≥20 frames-per-second.The presented device, along with the actuation strategy is a promising candidate for integration with miniaturized laser scanning devices towards clinical use.

Citation Download Citation

Miyase Tekpinar, Ramin Khayatzadeh, and Onur Ferhanoglu "Piezo-fiber multipattern scanner for endoscopy", Proc. SPIE 11076, Advances in Microscopic Imaging II, 110761E (22 July 2019); https://doi.org/10.1117/12.2526828

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KEYWORDS

Actuators

Raster graphics

Endoscopy

Scanners

Fiber lasers

Laser scanners

Endoscopes

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