Dr. Thomas Johnson Profile

Dr. Thomas Johnson

Assistant Professor at Colorado State Univ

SPIE Involvement:

Author | Editor

Publications (35)

Proceedings Article | 19 February 2011 Paper

Temperature increase of ex vivo corneas from multiple 2.01-micron incident laser pulses

Edward Kelly, Thomas Johnson

Proceedings Volume 7897, 78970J (2011) https://doi.org/10.1117/12.874894

KEYWORDS: Pulsed laser operation, Temperature metrology, Cornea, Cameras, Eye, Laser safety, Forward looking infrared, Thermography, Infrared cameras, Infrared radiation

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SPIE Journal Paper | 1 July 2010 Open Access

Relationships of skin depths and temperatures when varying pulse repetition frequencies from 2.0-µm laser light incident on pig skin

David Schaaf, Thomas Johnson

JBO, Vol. 15, Issue 04, 045007, (July 2010) https://doi.org/10.1117/12.10.1117/1.3477324

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Proceedings Article | 25 February 2009 Paper

Temperature measurement comparison for laser irradiation

David Schaaf, Thomas Johnson

Proceedings Volume 7175, 71750O (2009) https://doi.org/10.1117/12.809315

KEYWORDS: Pyrometry, Temperature metrology, Pulsed laser operation, Cameras, Signal to noise ratio, Temporal resolution, Bolometers, Microbolometers, Thermography, Sensors

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Proceedings Article | 12 February 2009 Paper

Determination of sensation threshold from small pulse trains of 2.01μm laser light

Daniel Dugan, Thomas Johnson

Proceedings Volume 7175, 71750P (2009) https://doi.org/10.1117/12.809344

KEYWORDS: Pulsed laser operation, Laser damage threshold, Chest, Skin, Safety, Laser applications, Standards development, Laser tissue interaction, Signal processing, Binary data

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Proceedings Article | 20 February 2008 Paper

Optimizing the use of laser alignment thermal sensitive paper for a 1.54 micron Er-glass laser

Kenneth Walter, Thomas Eurell, Thomas Johnson

Proceedings Volume 6854, 685419 (2008) https://doi.org/10.1117/12.768244

KEYWORDS: Sensors, Laser applications, Laser tissue interaction, Target detection, Optical testing, Calibration, Head, Lamps, Q switching, Prisms

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SPIE Journal Paper | 1 November 2007 Open Access

Comparison of 1540-nm laser-induced injuries in ex vivo and in vitro rabbit corneal models

Nicole McPherson, Thomas Eurell, Thomas Johnson

JBO, Vol. 12, Issue 06, 064033, (November 2007) https://doi.org/10.1117/12.10.1117/1.2822371

KEYWORDS: In vitro testing, Tissues, Data modeling, Injuries, Laser tissue interaction, Cornea, In vivo imaging, Eye models, Animal model studies, Laser damage threshold

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Proceedings Article | 25 April 2005 Paper

Response of pigmented porcine skin (Sus scrofa domestica) to single 3.8-micron laser radiation pulses

Anthony Bostick, Thomas Johnson, Donald Randolph, Golda Winston

Proceedings Volume 5686, (2005) https://doi.org/10.1117/12.594581

KEYWORDS: Skin, Laser tissue interaction, Laser safety, Laser damage threshold, Laser applications, Standards development, Semiconductor lasers, Cornea, Gas lasers, Medicine

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Proceedings Article | 25 April 2005 Paper

Corneal injury to ex vivo eyes exposed to a 3.8-micron laser

James Fyffe, Donald Randolph, Golda Winston, Thomas Johnson

Proceedings Volume 5686, (2005) https://doi.org/10.1117/12.594579

KEYWORDS: Eye, Cornea, Safety, Standards development, Injuries, Eye models, Laser safety, Animal model studies, Absorption, Medicine

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Proceedings Article | 25 April 2005 Paper

Evaluating the potential for internal injuries from a pulsed 3.8-micron laser

Thomas Johnson, Dawn Fitzhugh, Nicole McPherson, Golda Winston, Tridaugh Winston, Donald Randolph

Proceedings Volume 5686, (2005) https://doi.org/10.1117/12.594536

KEYWORDS: Injuries, Pulsed laser operation, Tissues, Skin, Heart, High power lasers, Free electron lasers, Laser energy, Blood, Health sciences

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Proceedings Article | 13 July 2004 Paper

Comparison of experimental models for predicting laser-tissue interaction from 3.8-micron lasers

Piper Williams, Golda Winston, Don Randolph, Thomas Neal, Thomas Eurell, Thomas Johnson

Proceedings Volume 5312, (2004) https://doi.org/10.1117/12.528543

KEYWORDS: Skin, In vitro testing, Tissues, Laser tissue interaction, In vivo imaging, Biopsy, Health sciences, Visualization, Connective tissue, Pulsed laser operation

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