Dr. Joseph Geddes Profile

Dr. Joseph Geddes

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Publications (10)

Proceedings Article | 7 March 2014 Paper

Antireflective surface patterned by rolling mask lithography

Oliver Seitz, Joseph Geddes, Mukti Aryal, Joseph Perez, Jonathan Wassei, Ian McMackin, Boris Kobrin

Proceedings Volume 8974, 89740V (2014) https://doi.org/10.1117/12.2037415

KEYWORDS: Photomasks, Lithography, Antireflective coatings, Nanostructures, Reflectivity, Glasses, Cones, Optical lithography, Ultraviolet radiation, Refraction

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Proceedings Article | 20 February 2009 Paper

Validation of nonlinear interferometric vibrational imaging as a molecular OCT technique by the use of Raman microscopy

Wladimir Benalcazar, Zhi Jiang, Daniel Marks, Joseph Geddes, Stephen Boppart

Proceedings Volume 7168, 71680T (2009) https://doi.org/10.1117/12.809384

KEYWORDS: Raman spectroscopy, Interferometry, Microscopy, Tissues, Optical coherence tomography, Signal processing, Raman scattering, Photons, Silicon, Silicates

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Proceedings Article | 13 February 2009 Paper

Optical pulse shaping for selective excitation of coherent molecular vibrations by stimulated Raman scattering

Joseph Geddes, Daniel Marks, Stephen Boppart

Proceedings Volume 7183, 718311 (2009) https://doi.org/10.1117/12.809539

KEYWORDS: Raman spectroscopy, Signal detection, Molecules, Optical design, Interferometry, Chemical species, Bioalcohols, Raman scattering, CARS tomography, Signal processing

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Proceedings Article | 15 February 2008 Paper

Nonlinear interferometric vibrational imaging of biological tissue

Zhi Jiang, Daniel Marks, Joseph Geddes, Stephen Boppart

Proceedings Volume 6860, 68600Y (2008) https://doi.org/10.1117/12.763306

KEYWORDS: Raman spectroscopy, Interferometry, Signal detection, Tissues, Silicon, Silicates, Picosecond phenomena, Sodium, Laser beam diagnostics, CARS tomography

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Proceedings Article | 28 September 2007 Paper

Swamping of circular Bragg phenomenon revealed by durations and average speeds of videopulses transmitted through chiral sculptured thin films

Joseph Geddes, Akhlesh Lakhtakia

Proceedings Volume 6638, 66380O (2007) https://doi.org/10.1117/12.734491

KEYWORDS: Thin films, Refractive index, Polarization, Solids, Phase velocity, Radio propagation, Electromagnetism, Photon polarization, Reflectivity, Nanowires

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Proceedings Article | 8 September 2006 Paper

Durations and average speeds of ultrashort optical pulses shaped by chiral sculptured thin films

Joseph Geddes, Akhlesh Lakhtakia

Proceedings Volume 6328, 632811 (2006) https://doi.org/10.1117/12.675597

KEYWORDS: Thin films, Polarization, Refractive index, Solids, Free space, Wave propagation, Nonlinear optics, Optical pulse shaping, Pulse shaping, Modulation

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SPIE Journal Paper | 1 October 2004

Nanotechnology for optics is a phase-length-time sandwich

Akhlesh Lakhtakia, Joseph Geddes

OE, Vol. 43, Issue 10, (October 2004) https://doi.org/10.1117/12.10.1117/1.1786610

KEYWORDS: Nanotechnology, Contrast transfer function, Thin films, Near field optics, Dielectrics, Interfaces, Nanostructures, Optical engineering, Physical vapor deposition, Reflection

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Proceedings Article | 2 August 2004 Paper

Pulsed-beam propagation through a chiral sculptured thin film

Joseph Geddes, Akhlesh Lakhtakia

Proceedings Volume 5509, (2004) https://doi.org/10.1117/12.549425

KEYWORDS: Beam shaping, Thin films, Reflection, Electromagnetism, Convolution, Polarization, Beam propagation method, Radio propagation, Pulse shaping, Dielectrics

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Proceedings Article | 27 October 2003 Paper

Phase effects on reflection of narrow-extent optical pulses from axially excited chiral sculptured thin films

Joseph Geddes, Akhlesh Lakhtakia

Proceedings Volume 5219, (2003) https://doi.org/10.1117/12.501083

KEYWORDS: Thin films, Free space, Nonlinear optics, Reflection, Maxwell's equations, Polarization, Electromagnetism, Dielectrics, Wave propagation, Nanowires

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Proceedings Article | 30 June 2000 Paper

Pulse bleeding in thin film helicoidal bianisotropic mediums

Joseph Geddes, Mark Meredith, Akhlesh Lakhtakia

Proceedings Volume 4097, (2000) https://doi.org/10.1117/12.390596

KEYWORDS: Thin films, Absorption, Interfaces, Modulation, Copper, Computer simulations, Reflection, Dielectrics, Liquid crystals, Materials science

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Showing 5 of 10 publications

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