Mr. Jess A. Johnson Profile

Jess A. Johnson

at Univ of California Observatories

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 23 July 2008 Paper

ViLLaGEs: opto-mechanical design of an on-sky visible-light MEMS-based AO system

Bryant Grigsby, Chris Lockwood, Brian Baumann, Don Gavel, Jess Johnson, S. Mark Ammons, Daren Dillon, Katie Morzinski, Marc Reinig, Dave Palmer, Scott Severson, Elinor Gates

Proceedings Volume 7018, 701841 (2008) https://doi.org/10.1117/12.790166

KEYWORDS: Telescopes, Adaptive optics, Microelectromechanical systems, Stars, Cameras, Observatories, Nickel, Mirrors, Optical benches, Wavefront sensors

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Proceedings Article | 15 July 2008 Paper

Implementation of the pyramid wavefront sensor as a direct phase detector for large amplitude aberrations

Renate Kupke, Don Gavel, Jess Johnson, Marc Reinig

Proceedings Volume 7015, 70155H (2008) https://doi.org/10.1117/12.790181

KEYWORDS: Sensors, Adaptive optics, Reconstruction algorithms, Monte Carlo methods, Telescopes, Wavefront sensors, Spatial frequencies, Polonium, Photon transport, Wave propagation

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Proceedings Article | 7 July 2008 Paper

Visible light laser guidestar experimental system (Villages): on-sky tests of new technologies for visible wavelength all-sky coverage adaptive optics systems

Donald Gavel, S. Mark Ammons, Brian Bauman, Daren Dillon, Elinor Gates, Bryant Grigsby, Jess Johnson, Chris Lockwood, Kathleen Morzinski, David Palmer, Marc Reinig, Scott Severson

Proceedings Volume 7015, 70150G (2008) https://doi.org/10.1117/12.790228

KEYWORDS: Adaptive optics, Wavefront sensors, Stars, Laser guide stars, Wavefronts, Sensors, Telescopes, Microelectromechanical systems, Sodium, Pulsed laser operation

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Proceedings Article | 27 June 2006 Paper

Pyramid wavefront sensing: theory and component technology development at LAO

Jess Johnson, Renate Kupke, Donald Gavel, Brian Bauman

Proceedings Volume 6272, 62724R (2006) https://doi.org/10.1117/12.672364

KEYWORDS: Sensors, Wavefront sensors, Modulation, Glasses, Spatial frequencies, Adaptive optics, Charge-coupled devices, Signal to noise ratio, Wavefronts, Phase shift keying

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Proceedings Article | 27 June 2006 Paper

First results from the UCSC Laboratory for Adaptive Optics multi-conjugate and multi-object adaptive optics testbed

S. Mark Ammons, Renate Kupke, Edward Laag, Donald Gavel, Daren Dillon, Marco Reinig, Brian Bauman, Claire Max, Jess Johnson

Proceedings Volume 6272, 627202 (2006) https://doi.org/10.1117/12.672452

KEYWORDS: Wavefronts, Adaptive optics, Wavefront sensors, Tomography, Laser guide stars, Stars, Deformable mirrors, Point spread functions, Telescopes, Sensors

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