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Erik Johansson
Erik Johansson
National Solar Observatory
Verified email at nso.edu
Title
Cited by
Cited by
Year
The WM Keck Observatory laser guide star adaptive optics system: overview
PL Wizinowich, D Le Mignant, AH Bouchez, RD Campbell, JCY Chin, ...
Publications of the Astronomical Society of the Pacific 118 (840), 297, 2006
6032006
Backpropagation learning for multilayer feed-forward neural networks using the conjugate gradient method
EM Johansson, FU Dowla, DM Goodman
International Journal of Neural Systems 2 (04), 291-301, 1991
5081991
RNA expression analysis using a 30 base pair resolution Escherichia coli genome array
DW Selinger, KJ Cheung, R Mei, EM Johansson, CS Richmond, ...
Nature biotechnology 18 (12), 1262-1268, 2000
4752000
The WM Keck Observatory laser guide star adaptive optics system: performance characterization
MA van Dam, AH Bouchez, D Le Mignant, EM Johansson, PL Wizinowich, ...
Publications of the Astronomical Society of the Pacific 118 (840), 310, 2006
3032006
The Daniel K. Inouye solar telescope–observatory overview
TR Rimmele, M Warner, SL Keil, PR Goode, M Knölker, JR Kuhn, ...
Solar Physics 295 (12), 1-49, 2020
2732020
Three-dimensional ground-penetrating radar imaging using synthetic aperture time-domain focusing
EM Johansson, JE Mast
Advanced Microwave and Millimeter-Wave Detectors 2275, 205-214, 1994
2461994
Simulation of stellar speckle imaging
EM Johansson, DT Gavel
Amplitude and Intensity Spatial Interferometry II 2200, 372-383, 1994
2081994
Three-dimensional ground-penetrating radar imaging using multifrequency diffraction tomography
JE Mast, EM Johansson
Advanced Microwave and Millimeter-Wave Detectors 2275, 196-203, 1994
851994
Ship wake-detection procedure using conjugate gradient trained artificial neural networks
JP Fitch, SK Lehman, FU Dowla, SY Lu, EM Johansson, DM Goodman
IEEE Transactions on Geoscience and Remote Sensing 29 (5), 718-726, 1991
751991
Speckle imaging of satellites at the us air force maui optical station
TW Lawrence, DM Goodman, EM Johansson, JP Fitch
Applied optics 31 (29), 6307-6321, 1992
651992
Adaptive optics developments at Keck Observatory
PL Wizinowich, D Le Mignant, PJ Stomski Jr, DS Acton, AR Contos, ...
Adaptive Optical System Technologies II 4839, 9-20, 2003
612003
David Le Mignant
F Marchis, D Hestroffer, P Descamps, J Berthier, AH Bouchez, ...
Imke de Pater; Stomski, Paul J; Summers, Doug M; Vachier, Frederic …, 0
50
Extended-image reconstruction through horizontal path turbulence using bispectral speckle interferometry
TW Lawrence, JP Fitch, DM Goodman, NA Massie, RJ Sherwood, ...
Optical Engineering 31 (3), 627-636, 1992
451992
Construction status of the Daniel K. Inouye solar telescope
JP McMullin, TR Rimmele, M Warner, VM Pillet, R Casini, S Berukoff, ...
Ground-Based and Airborne Telescopes VI 9906, 493-503, 2016
362016
Intracavity adaptive correction of a 10-kW solid state heat-capacity laser
KN LaFortune, RL Hurd, EM Johansson, CB Dane, SN Fochs, JM Brase
Laser Resonators and Beam Control VII 5333, 53-61, 2004
362004
Keck laser guide star adaptive optics: science verification results
AH Bouchez, D Le Mignant, MA van Dam, J Chin, S Hartman, ...
Advancements in Adaptive Optics 5490, 321-330, 2004
352004
Angular anisoplanatism in laser guide star adaptive optics
MA van Dam, RJ Sasiela, AH Bouchez, D Le Mignant, RD Campbell, ...
Advances in Adaptive Optics II 6272, 987-995, 2006
322006
Upgrading the Keck AO wavefront controllers
EM Johansson, MA van Dam, PJ Stomski, JM Bell, JC Chin, RC Sumner, ...
Adaptive Optics Systems 7015, 955-966, 2008
312008
WM Keck Observatory's next-generation adaptive optics facility
P Wizinowich, R Dekany, D Gavel, C Max, S Adkins, B Bauman, J Bell, ...
Adaptive Optics Systems 7015, 263-274, 2008
302008
On applying the conjugate-gradient algorithm to image processing problems
DM Goodman, EM Johansson, TW Lawrence
Multivariate Analysis: Future Directions 5, 1993
301993
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Articles 1–20