6 January 2018 Toward fully three-dimensional-printed miniaturized confocal imager
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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.
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE)
Janset Savas, Janset Savas, Ramin Khayatzadeh, Ramin Khayatzadeh, Fehmi Civitci, Fehmi Civitci, Yigit Dahan Gokdel, Yigit Dahan Gokdel, Onur Ferhanoglu, Onur Ferhanoglu, } "Toward fully three-dimensional-printed miniaturized confocal imager," Optical Engineering 57(4), 041402 (6 January 2018). https://doi.org/10.1117/1.OE.57.4.041402 . Submission: Received: 15 March 2017; Accepted: 16 August 2017
Received: 15 March 2017; Accepted: 16 August 2017; Published: 6 January 2018
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