Alexander Sohn
Precision Engineer at Meta
SPIE Involvement:
Area of Expertise:
Diamond Turning , Freeform Optics , Metrology , Optics Fabrication
Profile Summary

Alex Sohn has preformed research in diamond turning and metrology for over twenty years. He has developed numerous tools for the fabrication and metrology of freefrom optics. His contributions span the spectrum from opthalmics, defense and astronomy to lasers and consumer electronics.
Publications (9)

Proceedings Article | 20 May 2022 Presentation + Paper
Proceedings Volume 12137, 121370J (2022)
KEYWORDS: Metrology, Interferometry, Sensors, Freeform optics, Calibration, Optical spheres, Optical alignment, Surface finishing, Confocal microscopy, Colorimetry, Stitching interferometry

Proceedings Article | 13 May 2019 Presentation
Proceedings Volume 10991, 109910Q (2019)
KEYWORDS: Deformable mirrors, Optical testing, Adaptive optics, Algorithm development, Wavefronts, Interferometry, Stochastic processes, Phase measurement, Deflectometry

Proceedings Article | 13 May 2019 Presentation
Proceedings Volume 10991, 109910P (2019)
KEYWORDS: Metrology, Interferometry, Surface roughness, Optical fabrication, Interferometers, Microscopy, Polarization, Cameras, Diamond turning

SPIE Journal Paper | 30 April 2019
Xiaobo Tian, Yu Zhang, Alexander Sohn, Oliver Spires, Rongguang Liang
OE, Vol. 58, Issue 04, 044104, (April 2019)
KEYWORDS: Metrology, Interferometry, Calibration, Cameras, Surface roughness, Interferometers, Diamond, Copper, Polymethylmethacrylate, Microscopes

Proceedings Article | 21 May 2018 Paper
Proceedings Volume 10676, 1067606 (2018)
KEYWORDS: Distortion, Eye, Fresnel lenses, Stray light, Wavefront sensors, Modulation transfer functions, Cameras, Lenses, Diffraction, Virtual reality, Polarization

Showing 5 of 9 publications
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