Mr. Robert Joseph Espejo Profile

Robert Joseph Espejo

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Publications (4)

Proceedings Article | 30 March 2006 Paper

High-spatial resolution measurements of transverse stress in a fiber Bragg grating using four-state analysis, low-coherence interferometry, and layer-peeling

R. Joseph Espejo, Shellee Dyer

Proceedings Volume 6167, 616707 (2006) https://doi.org/10.1117/12.658061

KEYWORDS: Fiber Bragg gratings, Polarization, Sensors, Birefringence, Spatial resolution, Finite element methods, Interferometry, Refractive index, Optical spheres, Autoregressive models

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Proceedings Article | 20 February 2006 Paper

High sensitivity measurements of the scattering dispersion of phantoms using spectral domain optical coherence tomography

Shellee Dyer, Tasshi Dennis, Paul Williams, Lara Street, Shelley Etzel, R. Joseph Espejo, Thomas Germer, Thomas Milner

Proceedings Volume 6079, 60791Q (2006) https://doi.org/10.1117/12.649180

KEYWORDS: Mie scattering, Optical spheres, Optical coherence tomography, Scattering, Refractive index, Light scattering, Scatter measurement, Interferometers, Microscopes, Tissues

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Proceedings Article | 23 May 2005 Paper

Fundamental limits in fiber Bragg grating peak wavelength measurements

Shellee Dyer, Paul Williams, R. Espejo, Jonathan Kofler, Shelley Etzel

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.623444

KEYWORDS: Fiber Bragg gratings, Sensors, Interferometry, Calibration, Signal to noise ratio, Tunable lasers, Absorption, Autoregressive models, Reflectivity, Metrology

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Proceedings Article | 27 July 2004 Paper

Key metrology considerations for fiber Bragg grating sensors

Shellee Dyer, Paul Williams, Robert Espejo, Jonathan Kofler, Shelley Etzel

Proceedings Volume 5384, (2004) https://doi.org/10.1117/12.544321

KEYWORDS: Fiber Bragg gratings, Sensors, Tunable lasers, Calibration, Interferometry, Laser systems engineering, Metrology, Absorption, Reflectivity, Data centers

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