Dr. John S. Canham Profile

Dr. John S. Canham

Senior Staff Scientist at Northrop Grumman Corp

SPIE Involvement:

Author

Proceedings Article | 19 September 2018 Paper

ExoMars 2020 MOMA gas chromatograph mass spectrometer instrument background and its implications

John Canham

Proceedings Volume 10748, 107480T (2018) https://doi.org/10.1117/12.2505843

KEYWORDS: Ions, Signal to noise ratio, Spectroscopy, Molecules, Data processing, Contamination, Signal detection, Interference (communication), Adsorption, Mars

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Proceedings Article | 18 September 2018 Presentation

Development and implementation of aseptic operations to meet planetary protection requirements on the MOMA-mass spectrometer (Conference Presentation)

Erin Lalime, John Canham, Radford Perry

Proceedings Volume 10748, 107480V (2018) https://doi.org/10.1117/12.2321137

KEYWORDS: Spectroscopy, Particles, Mars, Molecules, Environmental monitoring, Natural surfaces

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Proceedings Article | 20 December 2007 Paper

Revisiting mechanisms of molecular contamination induced laser optic damage

John Canham

Proceedings Volume 6720, 67200M (2007) https://doi.org/10.1117/12.753588

KEYWORDS: Silica, Contamination, Dielectrics, Laser optics, Molecules, Molecular lasers, Laser induced damage, Vitreous, Absorption, Hydrogen

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Proceedings Article | 28 February 2006 Paper

Qualification and issues with space flight laser systems and components

Melanie Ott, D. Coyle, John Canham, Henning Leidecker

Proceedings Volume 6100, 61001V (2006) https://doi.org/10.1117/12.674042

KEYWORDS: Semiconductor lasers, Diodes, Indium, Crystals, Laser systems engineering, Gold, Laser development, Space operations, Lithium, Laser induced damage

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Proceedings Article | 7 February 2006 Paper

Surface analytical evaluation of contamination related laser induced damage to a TIR slab

John Canham

Proceedings Volume 5991, 59910I (2006) https://doi.org/10.1117/12.634334

KEYWORDS: Indium, Chemical analysis, Contamination, Laser induced damage, Silicon, Laser optics, Photomicroscopy, Oxygen, Neodymium, Nd:YAG lasers

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Proceedings Article | 7 February 2006 Paper

Molecular contamination damage prevention: lessons learned from vacuum laser operation

John Canham

Proceedings Volume 5991, 59910E (2006) https://doi.org/10.1117/12.634333

KEYWORDS: Contamination, Oxygen, Electrons, Molecular lasers, Silica, Laser systems engineering, Laser optics, Gases, Neodymium, Inspection

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Proceedings Article | 7 February 2006 Paper

Coalescence of phenomenological laser damage, materials properties, and laser intensity: moving toward quantitative relationships II

John Canham

Proceedings Volume 5991, 59910J (2006) https://doi.org/10.1117/12.634079

KEYWORDS: Laser induced damage, Radio propagation, Laser optics, Systems modeling, Laser damage threshold, Wave propagation, Excitons, Nonlinear optics, Optical damage, Electromagnetism

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Proceedings Article | 21 September 2005 Paper

Micro-gravity and contamination roles in spaceflight laser failures

Hossin Abdeldayem, Edward Dowdye, John Canham, Shahin Ghazanshahi

Proceedings Volume 5912, 59120H (2005) https://doi.org/10.1117/12.615368

KEYWORDS: Contamination, Optical damage, Laser systems engineering, Molecules, Adsorption, Particles, Laser optics, Laser induced damage, Modulation, Chemical species

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Proceedings Article | 30 August 2005 Paper

Contamination and radiation effects on spaceflight laser systems

Hossin Abdeldayem, Edward Dowdye, John Canham, Todd Jaeger

Proceedings Volume 5897, 589705 (2005) https://doi.org/10.1117/12.622345

KEYWORDS: Contamination, Optical damage, Crystals, Laser systems engineering, Molecules, Optical spheres, Laser optics, Laser induced damage, Laser crystals, Second-harmonic generation

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Proceedings Article | 21 February 2005 Paper

Short path thermal desorption GC/MS for screening of molecular contamination in laser systems

John Canham

Proceedings Volume 5647, (2005) https://doi.org/10.1117/12.585086

KEYWORDS: Contamination, Laser induced damage, Laser systems engineering, Laser optics, Silicon, Polymers, Molecular lasers, Optical damage, Statistical analysis, Molecules

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Proceedings Article | 21 February 2005 Paper

Identification and measurement of changes in the properties of molecular-contamination-related laser induced damage to fused silica

John Canham

Proceedings Volume 5647, (2005) https://doi.org/10.1117/12.585087

KEYWORDS: Silica, Laser optics, Laser induced damage, Contamination, X-rays, Ions, Oxygen, Optical damage, Carbon, Silicon

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Proceedings Article | 10 June 2004 Paper

Coalescence of phenomenological laser damage, materials properties, and laser intensity: moving toward quantitative relationships

John Canham

Proceedings Volume 5273, (2004) https://doi.org/10.1117/12.516705

KEYWORDS: Laser induced damage, Laser optics, Systems modeling, Contamination, Molecules, Distortion, Molecular interactions, Molecular lasers, Electrons, Optical damage

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Proceedings Article | 10 June 2004 Paper

Cleaning to the monolayer level

John Canham

Proceedings Volume 5273, (2004) https://doi.org/10.1117/12.516715

KEYWORDS: Contamination, Adsorption, Molecules, Molecular interactions, Chromatography, Optical coatings, Contamination control, Polarizability, Statistical analysis, Aerospace engineering

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Showing 5 of 13 publications

Conference Committee Involvement (1)

Boulder Damage Symposium XXXVII: Annual Symposium on Optical Materials for High Power Lasers

19 September 2005 | Boulder, CO, United States

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