1. Date of download: 7/7/2016 Copyright © 2016 SPIE. All rights reserved. Working principle for simultaneous determination of the position z and the object velocity v using a divergent and a convergent interference fringe system. 8 Figure Legend: From: Miniaturized nonincremental interferometric fiber-optic distance sensor for turning process monitoring Opt. Eng. 2012;51(1):014402-1-014402-7. doi:10.1117/1.OE.51.1.014402

2. Date of download: 7/7/2016 Copyright © 2016 SPIE. All rights reserved. Modular setup of the LDD sensor and the resulting interference fringe systems. 6 Figure Legend: From: Miniaturized nonincremental interferometric fiber-optic distance sensor for turning process monitoring Opt. Eng. 2012;51(1):014402-1-014402-7. doi:10.1117/1.OE.51.1.014402

3. Date of download: 7/7/2016 Copyright © 2016 SPIE. All rights reserved. Fringe spacing function d1,2(z) (a) and calibration function q(z) (b): simulation is in good agreement with the results of a proper calibration. Figure Legend: From: Miniaturized nonincremental interferometric fiber-optic distance sensor for turning process monitoring Opt. Eng. 2012;51(1):014402-1-014402-7. doi:10.1117/1.OE.51.1.014402

4. Date of download: 7/7/2016 Copyright © 2016 SPIE. All rights reserved. Miniaturized robust fiber-optic sensor head in comparison with one euro coin (left) and the experimental setup at the metal working lathe with the definition of the coordinate systems (right). Figure Legend: From: Miniaturized nonincremental interferometric fiber-optic distance sensor for turning process monitoring Opt. Eng. 2012;51(1):014402-1-014402-7. doi:10.1117/1.OE.51.1.014402

5. Date of download: 7/7/2016 Copyright © 2016 SPIE. All rights reserved. Results of the 3-D shape measurement with the miniaturized LDD sensor: in-situ measurement of a cylindric workpiece with a radial step (left) and in-process measurement of a cone (right). Figure Legend: From: Miniaturized nonincremental interferometric fiber-optic distance sensor for turning process monitoring Opt. Eng. 2012;51(1):014402-1-014402-7. doi:10.1117/1.OE.51.1.014402

6. Date of download: 7/7/2016 Copyright © 2016 SPIE. All rights reserved. Absolute radius measured with the miniaturized LDD sensor and averaged over one revolution: in-situ measurement of a cylindric workpiece with a radial step (a) and in-process measurement of a cone (b). Figure Legend: From: Miniaturized nonincremental interferometric fiber-optic distance sensor for turning process monitoring Opt. Eng. 2012;51(1):014402-1-014402-7. doi:10.1117/1.OE.51.1.014402