Dr. Gregory W. Faris Profile

Dr. Gregory W. Faris

Senior Physicist at Numentus Technologies

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 13 February 2007 Paper

Differential optical imaging in animal models using infrared transillumination

Sanhita Dixit, Theresamai Le, Khalid Amin, Gregory Faris

Proceedings Volume 6434, 64341S (2007) https://doi.org/10.1117/12.707907

KEYWORDS: Gases, Tissue optics, Tissues, Animal model studies, Infrared radiation, Optical imaging, Near infrared, Infrared imaging, Oxygen, Thermal modeling

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Proceedings Article | 4 April 2005 Paper

Development of an upconverting chelate assay

Xudong Xiao, Jeanne Haushalter, Kenneth Kotz, Gregory Faris

Proceedings Volume 5704, (2005) https://doi.org/10.1117/12.596609

KEYWORDS: Europium, Upconversion, Microscopes, Lanthanides, Biomedical optics, Ions, Energy transfer, Photons, Optical filters, Optical testing

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Proceedings Article | 31 March 2005 Paper

Surface enhancement of lanthanide emission

Jeanne Haushalter, Xudong Xiao, Adam Percival, Gregory Faris

Proceedings Volume 5703, (2005) https://doi.org/10.1117/12.593737

KEYWORDS: Lanthanides, Silver, Silica, Glasses, Molecules, Luminescence, Absorption, Europium, Quantum efficiency, Ions

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Proceedings Article | 13 July 2004 Paper

Dynamic imaging of tumor vasculature in rodents: carbogen-induced contrast enhancement

Kenneth Kotz, Konstantinos Kalogerakis, William Boenig, Khalid Amin, Gregory Faris

Proceedings Volume 5312, (2004) https://doi.org/10.1117/12.538888

KEYWORDS: Tumors, Tissues, Near infrared, Tissue optics, Animal model studies, Carbon monoxide, Tumor growth modeling, Breast cancer, Optical properties, Image enhancement

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Proceedings Article | 22 June 2004 Paper

Demonstration of optical microfluidics

Kenneth Kotz, Konstantinos Kalogerakis, Kyle Noble, Sarah Smith, Gregory Faris

Proceedings Volume 5328, (2004) https://doi.org/10.1117/12.538890

KEYWORDS: Microfluidics, Thermal effects, Video, Proteins, Optical tweezers, Molecules, Absorption, Chemistry, Lab on a chip, Fabrication

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Proceedings Article | 14 June 2004 Paper

Optical response measurements of a new class of upconverting luminescent reporters

Xudong Xiao, Jeanne Haushalter, Michael Weiss, Gregory Faris

Proceedings Volume 5329, (2004) https://doi.org/10.1117/12.538885

KEYWORDS: Thulium, Erbium, Absorption, Upconversion, Lanthanides, Ions, Luminescence, Europium, Near infrared, Pulsed laser operation

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Proceedings Article | 12 September 2003 Paper

Optical property measurements of a novel type of upconverting reporter

Xudong Xiao, Michael Herring, Jeanne Haushalter, Seonkyung Lee, Kostas Kalogerakis, Gregory Faris

Proceedings Volume 4967, (2003) https://doi.org/10.1117/12.479841

KEYWORDS: Neodymium, Upconversion, Ions, Absorption, Biomedical optics, Diagnostics, Lanthanides, Molecules, Optical properties, Optical testing

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Proceedings Article | 29 July 2003 Paper

Animal imaging using immersion

Konstantinos Kalogerakis, Kenneth Kotz, Kendra Rand, Gregory Faris

Proceedings Volume 4955, (2003) https://doi.org/10.1117/12.479468

KEYWORDS: Tumors, Tissue optics, Tissues, Scattering, Breast, Optical imaging, Imaging systems, CCD cameras, Breast cancer

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Proceedings Article | 21 June 2002 Paper

Properties of upconverting chelates

Gregory Faris, Megan Hryndza

Proceedings Volume 4626, (2002) https://doi.org/10.1117/12.472111

KEYWORDS: Biomedical optics, Ions, Diagnostics, Spectroscopy, Tissue optics, Upconversion, Absorbance, Lanthanides, Erbium, Praseodymium

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Proceedings Article | 29 June 2001 Paper

Experimental tests of a two-layer Monte Carlo-diffusion hybrid model for photon migration in the frequency domain

Gregory Faris, George Alexandrakis, David Busch, Michael Patterson

Proceedings Volume 4250, (2001) https://doi.org/10.1117/12.434504

KEYWORDS: Skin, Optical properties, Monte Carlo methods, Photomultipliers, Phase measurement, Data modeling, Tissues, Photon transport, Diffusion, Liquids

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Proceedings Article | 15 July 1999 Paper

High-accuracy optical property measurements using frequency domain technique

Martina Gerken, Gregory Faris

Proceedings Volume 3597, (1999) https://doi.org/10.1117/12.356855

KEYWORDS: Absorption, Scattering, Optical properties, Liquids, Blood, Optical testing, Scatter measurement, Sensors, Phase measurement, Light scattering

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Proceedings Article | 2 July 1999 Paper

Spectroscopic properties of upconverting phosphor reporters

Yihong Chen, Ryan Kalas, Gregory Faris

Proceedings Volume 3600, (1999) https://doi.org/10.1117/12.351025

KEYWORDS: Phosphorescence, Spectroscopy, Particles, Ions, Atmospheric particles, Photomultipliers, Photons, Solids, Information operations, Semiconductor lasers

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Proceedings Article | 17 May 1999 Paper

Application of frequency domain techniques to samples with moderate scatter

Martina Gerken, Devon Godfrey, Gregory Faris

Proceedings Volume 3599, (1999) https://doi.org/10.1117/12.348366

KEYWORDS: Absorption, Scattering, Monte Carlo methods, Photons, Sensors, Phase measurement, Optical spheres, Optical properties, Light scattering, Water

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Proceedings Article | 18 August 1997 Paper

Determination of tissue properties by immersion in a matched scattering fluid

Xingkun Wu, Lesli Stinger, Gregory Faris

Proceedings Volume 2979, (1997) https://doi.org/10.1117/12.280258

KEYWORDS: Optical properties, Scattering, Tissue optics, Tissues, Absorption, Phase shifts, Optical testing, Sensors, Signal detection, Diffusion

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Proceedings Article | 7 May 1997 Paper

Spectroscopic characterization of upconverting phosphor reporters

Yihong Chen, Elizabeth Erber, Gregory Faris

Proceedings Volume 2980, (1997) https://doi.org/10.1117/12.273530

KEYWORDS: Oxides, Spectroscopy, Upconversion, Information operations, Semiconductor lasers, Photomultipliers, Diagnostics, Biomedical optics, Non-invasive medical diagnostics, Ions

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