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Sensors 2016, 16(1), 129; doi:10.3390/s16010129

Parallel Imaging of 3D Surface Profile with Space-Division Multiplexing

1
Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 609-735, Korea
2
Medical Device Development Center, Osong Medical Innovation Foundation, Cheongju, Chungbuk 361-951, Korea
*
Authors to whom correspondence should be addressed.
Academic Editor: Gonzalo Pajares Martinsanz
Received: 16 November 2015 / Revised: 22 December 2015 / Accepted: 18 January 2016 / Published: 21 January 2016
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [1552 KB, uploaded 21 January 2016]   |  

Abstract

We have developed a modified optical frequency domain imaging (OFDI) system that performs parallel imaging of three-dimensional (3D) surface profiles by using the space division multiplexing (SDM) method with dual-area swept sourced beams. We have also demonstrated that 3D surface information for two different areas could be well obtained in a same time with only one camera by our method. In this study, double field of views (FOVs) of 11.16 mm × 5.92 mm were achieved within 0.5 s. Height range for each FOV was 460 µm and axial and transverse resolutions were 3.6 and 5.52 µm, respectively. View Full-Text
Keywords: laser and laser optics; swept source; optical frequency domain imaging; three-dimensional imaging; interferometry laser and laser optics; swept source; optical frequency domain imaging; three-dimensional imaging; interferometry
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lee, H.S.; Cho, S.-W.; Kim, G.H.; Jeong, M.Y.; Won, Y.J.; Kim, C.-S. Parallel Imaging of 3D Surface Profile with Space-Division Multiplexing. Sensors 2016, 16, 129.

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