Dr. James B. Johnson Profile

Dr. James B. Johnson

Optical Engineer at MIT Lincoln Lab

SPIE Involvement:

Conference Program Committee | Author

Area of Expertise:

Optical Systems Engineering , Metrology , Optical Alignment , Optical Fabrication , Lens Design , Freeforms

Publications (6)

Proceedings Article | 28 September 2023 Paper

Investigation of ultrafast laser stress generation in fused silica, Corning Eagle XG glass, Corning ULE glass, and sapphire

Kevin Laverty, Daewook Kim, James Johnson, Michael Echter, Brandon Chalifoux

Proceedings Volume 12669, 1266907 (2023) https://doi.org/10.1117/12.2677619

KEYWORDS: Silica, Sapphire, Ultrafast phenomena, Ultrafast lasers, Glasses, Laser processing

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Proceedings Article | 28 September 2023 Presentation + Paper

Sensitivity comparison of a NURBS freeform telescope

Derek Kopon, Jenna Montague, Brian Primeau, Plamen Krastev, Gregory Cappiello, James Johnson

Proceedings Volume 12669, 126690C (2023) https://doi.org/10.1117/12.2677577

KEYWORDS: Design and modelling, Optical surfaces, Aspheric lenses, Telescopes, Diffraction limit, Modulation transfer functions, Mirror surfaces, Mirrors, Zernike polynomials, Zemax

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Proceedings Article | 28 September 2023 Presentation + Paper

Faster optical alignment with adjustable, re-lockable, ruggedized, and kinematic (ARRK) mounting

Steven Gillmer, Andrew Guzman, Joseph Flaherty, Kevin Sullivan, Peter Kull, Ava Thrasher, James Johnson, Christopher Roll

Proceedings Volume 12669, 1266908 (2023) https://doi.org/10.1117/12.2682129

KEYWORDS: Beam jitter, Aerospace engineering, Vibration, Optical alignment, Optical mounts, Mirrors, Kinematics, Autocollimators, Commercial off the shelf technology

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Proceedings Article | 14 June 2023 Presentation + Paper

Wide field-of-view NURBS-based freeform afocal telescope

James Johnson, Christopher Roll, Amanda Fontaine, Todd Ulmer, Jeffrey Roth

Proceedings Volume 12530, 1253009 (2023) https://doi.org/10.1117/12.2663846

KEYWORDS: Design and modelling, Mirrors, Telescopes, Mirror surfaces, Optical surfaces, Prototyping, Wavefront errors, Optical alignment, Diamond turning

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