Mr. Andy C. van Popta Profile

Andy C. van Popta

Graduate Student at Micralyne Inc

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Author

Publications (11)

SPIE Journal Paper | 17 June 2015

Mapping stresses in high aspect ratio polysilicon electrical through-wafer interconnects

Himani Sharma, Joshua Krabbe, Samira Farsinezhad, Andy van Popta, Nick Wakefield, Glen A. Fitzpatrick, Karthik Shankar

JM3, Vol. 14, Issue 02, 024001, (June 2015) https://doi.org/10.1117/12.10.1117/1.JMM.14.2.024001

KEYWORDS: Semiconducting wafers, Micro raman spectroscopy, Raman spectroscopy, Silicon, Copper, Microelectromechanical systems, Deep reactive ion etching, Low pressure chemical vapor deposition, Annealing, Boron

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Proceedings Article | 9 January 2008 Paper

Microstructured humidity sensors fabricated by glancing angle deposition: characterization and performance evaluation

Kathleen Krause, Andy van Popta, John Steele, Jeremy Sit, Michael Brett

Proceedings Volume 6800, 68000Y (2008) https://doi.org/10.1117/12.759533

KEYWORDS: Humidity, Sensors, Thin films, Adsorption, Refractive index, Nitrogen, Water, Fabrication, Optical coatings, Refraction

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Proceedings Article | 11 September 2007 Paper

Variable diffraction gratings using nanoporous electrodes and electrophoresis of dye ions

P. C. P. Hrudey, M. Martinuk, M. Mossman, A. van Popta, M. Brett, J. Huizinga, L. Whitehead

Proceedings Volume 6645, 66450K (2007) https://doi.org/10.1117/12.734289

KEYWORDS: Diffraction gratings, Ions, Electrodes, Modulation, Refractive index, Particles, Diffraction, Liquid crystals, Lithography, Ion beams

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Proceedings Article | 10 September 2007 Paper

Thermal annealing of birefringent TiO2 thin films formed by oblique-angle deposition

Andy van Popta, June Cheng, Jeremy Sit, Michael Brett

Proceedings Volume 6647, 66470C (2007) https://doi.org/10.1117/12.735425

KEYWORDS: Thin films, Birefringence, Annealing, Crystals, Refractive index, Anisotropy, Transmittance, Thin film coatings, Scattering, Scanning electron microscopy

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Proceedings Article | 10 September 2007 Paper

Application of transparent nanostructured electrodes for modulation of total internal reflection

P. Hrudey, M. Martinuk, M. Mossman, A. van Popta, M. Brett, T. Dunbar, J. Huizinga, L. Whitehead

Proceedings Volume 6647, 66470A (2007) https://doi.org/10.1117/12.734365

KEYWORDS: Reflectivity, Electrodes, Ions, Modulation, Reflection, Absorption, Carbon nanotubes, Particles, Interfaces, Nanostructuring

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Proceedings Article | 27 August 2005 Paper

Effect of porosity on optical properties of chiral films

Jason Sorge, Andy van Popta, Jeremy Sit, Michael Brett

Proceedings Volume 5931, 59311D (2005) https://doi.org/10.1117/12.618032

KEYWORDS: Transmittance, Reflectivity, Thin films, Scattering, Birefringence, Light scattering, Reflection, Integrating spheres, Optical filters, Refractive index

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Proceedings Article | 27 August 2005 Paper

Photonic device applications of nano-engineered thin film materials

Peter Hrudey, Andy van Popta, Jeremy Sit, Michael Brett

Proceedings Volume 5931, 593113 (2005) https://doi.org/10.1117/12.622281

KEYWORDS: Thin films, Optical coatings, Photonic crystals, Liquid crystals, Optical filters, Refractive index, Antireflective coatings, Humidity, Sensors, Scanning electron microscopy

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Proceedings Article | 20 August 2005 Paper

Double-handed circular Bragg reflection bands in chiral thin films

Andy van Popta, Jeremy Sit, Michael Brett

Proceedings Volume 5870, 587002 (2005) https://doi.org/10.1117/12.618039

KEYWORDS: Reflection, Thin films, Transmittance, Optical filters, Birefringence, Refractive index, Scanning electron microscopy, Stars, Anisotropy, Humidity

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Proceedings Article | 20 December 2004 Paper

Chiral and nanostructured optical materials

Matthew Hawkeye, Andy van Popta, Jeremy Sit, Michael Brett

Proceedings Volume 5577, (2004) https://doi.org/10.1117/12.567559

KEYWORDS: Thin films, Polarization, Reflection, Nanostructures, Optical properties, Refractive index, Reflectivity, Gradient-index optics, Fabrication, Transmittance

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Proceedings Article | 8 September 2004 Paper

Optical properties of porous helical thin films and the effects of post-deposition annealing

Andy van Popta, Jeremy Sit, Michael Brett

Proceedings Volume 5464, (2004) https://doi.org/10.1117/12.545923

KEYWORDS: Liquid crystals, Annealing, Thin films, Refractive index, Reflection, Nanostructures, Scanning electron microscopy, Dielectrics, Scattering, Crystals

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Proceedings Article | 5 January 2004 Paper

Optical performance of porous TiO2 chiral thin films

Andy van Popta, Scott Kennedy, Dirk Broer, Jeremy Sit, Michael Brett

Proceedings Volume 5213, (2004) https://doi.org/10.1117/12.506281

KEYWORDS: Liquid crystals, Thin films, Reflectivity, Refractive index, Optical activity, Reflection, Spectrophotometry, Transmittance, Light scattering, Solids

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Showing 5 of 11 publications

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