Erik M. Johansson
Project Manager, Wavefront Correction System at National Solar Observatory
SPIE Involvement:
Author
Area of Expertise:
Adaptive Optics , Atmospheric Speckle Imaging , Phase Retrieval , Signal and Image Processing , Numerical Methods and Algorithm Development , Real-Time Software Development
Profile Summary

I am currently the project manager for the Wavefront Correction System on the Daniel K Inouye Solar Telescope. Prior to that I worked on the Keck Observatory Adaptive Optics system.
Publications (34)

PROCEEDINGS ARTICLE | July 11, 2018
Proc. SPIE. 10703, Adaptive Optics Systems VI
KEYWORDS: Monochromatic aberrations, Mirrors, Microlens array, Cameras, Sensors, Wavefront sensors, Wavefronts, Adaptive optics, Image sensors, Relays

PROCEEDINGS ARTICLE | July 10, 2018
Proc. SPIE. 10703, Adaptive Optics Systems VI
KEYWORDS: Telescopes, Mirrors, Cameras, Calibration, Wavefront sensors, Wavefronts, Adaptive optics, Control systems, Active optics

PROCEEDINGS ARTICLE | July 6, 2018
Proc. SPIE. 10700, Ground-based and Airborne Telescopes VII
KEYWORDS: Observatories, Telescopes, Mirrors, Polarization, Imaging systems, Cameras, Polarimetry, Control systems, Optical fabrication, Solar processes

PROCEEDINGS ARTICLE | August 18, 2016
Proc. SPIE. 9906, Ground-based and Airborne Telescopes VI
KEYWORDS: Observatories, Telescopes, Mirrors, Imaging systems, Control systems, Deformable mirrors, Optical fabrication, Buildings, Space telescopes, Solar processes

PROCEEDINGS ARTICLE | August 8, 2016
Proc. SPIE. 9911, Modeling, Systems Engineering, and Project Management for Astronomy VI
KEYWORDS: Observatories, Solar telescopes, Phase modulation, Databases, Chromium, Control systems, Process control, Systems engineering, Neodymium, Content addressable memory

PROCEEDINGS ARTICLE | July 26, 2016
Proc. SPIE. 9909, Adaptive Optics Systems V
KEYWORDS: Actuators, Signal to noise ratio, Cameras, Image processing, Wavefront sensors, Wavefronts, Adaptive optics, Control systems, Optical fabrication, Real-time computing

Showing 5 of 34 publications
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