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Optical Engineering

Toward fully three-dimensional-printed miniaturized confocal imager
Author(s): Janset Savas; Ramin Khayatzadeh; Fehmi Civitci; Yigit Dahan Gokdel; Onur Ferhanoglu
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Paper Abstract

We present a disposable miniaturized confocal imager, consisting mostly of three-dimensional (3-D)-printed components. A 3-D printed laser scanner with 10 × 10    mm 2 frame size is employed for Lissajous scan, with 180 and 315 Hz frequencies in orthogonal directions corresponding to ± 8    deg and ± 4    deg optical scan angles, respectively. The actuation is done electromagnetically via a magnet attached to the scanner and an external coil. A miniaturized lens with 6-mm clear aperture and 10-mm focal length is 3-D printed and postprocessed to obtain desired ( λ / 5 surface roughness) performance. All components are press-fitted into a 3-D-printed housing having 17 mm width, which is comparable to many of the MEMS-based scanning imagers. Finally, line-scan from a resolution target and two-dimensional scanning in the sample location were demonstrated with the integrated device.

Paper Details

Date Published: 6 January 2018
PDF: 7 pages
Opt. Eng. 57(4) 041402 doi: 10.1117/1.OE.57.4.041402
Published in: Optical Engineering Volume 57, Issue 4
Show Author Affiliations
Janset Savas, Istanbul Technical Univ. (Turkey)
Istanbul Bilgi Üniv. (Turkey)
Ramin Khayatzadeh, Istanbul Technical Univ. (Turkey)
Fehmi Civitci, Istanbul Technical Univ. (Turkey)
Oregon Health & Science Univ. (United States)
Yigit Dahan Gokdel, Istanbul Bilgi Üniv. (Turkey)
Onur Ferhanoglu, Istanbul Technical Univ. (Turkey)

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