Prof. Dean P. Neikirk Profile

Prof. Dean P. Neikirk

Full Professor at Univ of Texas at Austin

SPIE Involvement:

Author

Publications (48)

Proceedings Article | 25 October 2013 Paper

Patterned resistive sheets for use in infrared microbolometers

Dean Neikirk, Hoo Kim, Jong Yeon Park, Joo-Yun Jung

Proceedings Volume 8899, 88990C (2013) https://doi.org/10.1117/12.2029200

KEYWORDS: Absorption, Microbolometers, Dielectrics, Long wavelength infrared, Infrared radiation, Metals, FT-IR spectroscopy, Skin, Infrared detectors, Sensors

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We review a wide range of absorbers based on patterned resistive sheets for use in mid-wave and long-wave infrared microbolometers. These structures range from wavelength selective dielectric coated Salisbury screens to patterned resistive sheets to stacked multi-spectral devices. For basic three color devices in the LWIR band we have designed and fabricated wavelength selective dielectric coated Salisbury screen (DSS) absorbers suitable for use in microbolometers. In order to produce wavelength selective narrowband absorption, the general design rules for DSS microbolometers show that the thickness of the air gap should be a half wavelength and the optical thickness of the dielectric support layer should be a quarter wavelength. This structure is also air gap tunable; i.e., by varying only air gap thickness, the center wavelength of the absorption curve is shifted. FTIR microscope measurements have been made on a number of the different devices demonstrating three color capability in the LWIR while maintain very high efficiency absorption. We have also shown that the use of a patterned resistive sheet consisting of a properly sized array of cross-shaped holes acts as a polarization independent frequency-selective absorber allowing a three-color system spanning the 7-14 micron band. For realistic metal layers the skin effect produces complex surface impedance that can be quite large in the LWIR band. We have shown that metal layers of thickness between one and three skin depths can act as the absorber layer, and have shown that thick metal layers can still produce excellent absorption in the LWIR. Holes in the dielectric support layer also reduce the thermal mass in the system without compromising spectral selectivity. Broadband designs using rectangular holes that produce substantially reduced thermal mass (over 50%) while maintaining efficient spectral absorption have also been found. Finally, we have considered multispectral stacked structures, including Jaumann absorbers and stacked dipole/slot patterned resistive sheets. These structures promise either two band (MWIR/LWIR) or two to three color LWIR in a multi-layer stacked pixel.

Proceedings Article | 11 June 2013 Paper

Three-dimensional dual-band stacked microbolometer design using resistive dipoles and slots

Hoo Kim, Dean Neikirk

Proceedings Volume 8704, 870419 (2013) https://doi.org/10.1117/12.2016405

KEYWORDS: Absorption, Microbolometers, Mirrors, Resistance, Infrared radiation, Long wavelength infrared, Mid-IR, Infrared detectors, Staring arrays, Metamaterials

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Proceedings Article | 5 April 2012 Paper

Improved magneto-inductive waveguide as wireless sensor net for structural health monitoring

Ye Chen, Praveen Pasupathy, Tanuj Trivedi, Dean Neikirk, Sharon Wood

Proceedings Volume 8347, 83472H (2012) https://doi.org/10.1117/12.915227

KEYWORDS: Sensors, Corrosion, Waveguides, Chemical elements, Signal attenuation, Magnetic sensors, Inductance, Waveguide sensors, Wave propagation, Resistors

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Proceedings Article | 5 April 2012 Paper

Detection of multiple corrosion thresholds in reinforced concrete structures using passive sensors

Ali Abu-Yosef, Praveen Pasupathy, Sharon Wood, Dean Neikirk

Proceedings Volume 8347, 83470J (2012) https://doi.org/10.1117/12.915164

KEYWORDS: Sensors, Corrosion, Passive sensors, Prototyping, Magnetic sensors, Resistance, Phase measurement, Inductive coupling, Structural health monitoring, Chemical elements

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Proceedings Article | 5 April 2012 Paper

A reflectometer-based reader for passive wireless structural surveillance sensors

Tanuj Trivedi, Frank Raffaeli, Praveen Pasupathy, Ali E. Abu-Yousef, Ye Chen, Dean Neikirk, Sharon Wood

Proceedings Volume 8347, 83470I (2012) https://doi.org/10.1117/12.915223

KEYWORDS: Sensors, Transceivers, Reflectometry, Directional couplers, Surveillance, Corrosion, Analog electronics, Signal analyzers, Signal generators, Magnetism

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Proceedings Article | 3 April 2012 Paper

Enhanced resolution of passive wireless conductivity sensors

JinYoung Kim, Praveenkumar Pasupathy, Sharon Wood, Dean Neikirk

Proceedings Volume 8345, 83451B (2012) https://doi.org/10.1117/12.916754

KEYWORDS: Sensors, Liquids, Electrodes, Resolution enhancement technologies, Magnetic sensors, Sensor performance, Passive sensors, Phase measurement, Corrosion, Metals

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Proceedings Article | 16 February 2012 Paper

Fabrication and characterization of wavelength selective microbolometers using a planar self-aligned process for low deformation membranes

Jong Yeon Park, James Gardner, Praveen Pasupathy, Ji Won Suk, Rodney Ruoff, Dean Neikirk

Proceedings Volume 8252, 82520Y (2012) https://doi.org/10.1117/12.906290

KEYWORDS: Microbolometers, Dielectrics, Decision support systems, Germanium, Absorption, Oxygen, Plasma, Scanning electron microscopy, Thermography, Infrared radiation

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Proceedings Article | 5 May 2011 Paper

Microfabricated self-resonant structure as a passive wireless chemical sensor

Sheng Zhang, Praveenkumar Pasupathy, Dean Neikirk

Proceedings Volume 8066, 80661L (2011) https://doi.org/10.1117/12.886895

KEYWORDS: Chemical fiber sensors, Microfabrication, Sensors, Dielectrics, Smart sensors, Actuators, Microelectromechanical systems, Current controlled current source, Capacitors, Electrodes

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Proceedings Article | 20 April 2011 Paper

Embedded passive wireless sensors for detecting conductivity within RC structures

Jin Young Kim, Praveenkumar Pasupathy, Chih-Chieh Chou, Sharon Wood, Dean Neikirk

Proceedings Volume 7983, 79832L (2011) https://doi.org/10.1117/12.880412

KEYWORDS: Sensors, Liquids, Corrosion, Ions, Magnetic sensors, Water, Oceanography, Environmental sensing, Copper, Cements

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Proceedings Article | 19 April 2011 Paper

Low-cost passive sensors for monitoring corrosion in concrete structures

Ali Abu Yosef, Praveenkumar Pasupathy, Sharon Wood, Dean Neikirk

Proceedings Volume 7983, 79831Q (2011) https://doi.org/10.1117/12.879893

KEYWORDS: Sensors, Corrosion, Passive sensors, Transducers, Chemical elements, Bridges, Resistance, Temperature metrology, Analog electronics, Phase measurement

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Proceedings Article | 4 May 2010 Paper

Fabrication of wavelength selective germanium dielectric supported microbolometers

Jong Yeon Park, Joo-Yun Jung, Dean Neikirk, Aniruddha Weling, William Hafer, James Goldie, Paul Wilson

Proceedings Volume 7660, 76601C (2010) https://doi.org/10.1117/12.850456

KEYWORDS: Germanium, Dielectrics, Microbolometers, FT-IR spectroscopy, Oxygen, Decision support systems, Plasma, Resistance, Etching, Silicon

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Proceedings Article | 4 May 2010 Paper

Skin depth effects in wavelength-selective infrared microbolometers based on lossy frequency selective surfaces

Joo-Yun Jung, Jong Yeon Park, Dean Neikirk, Aniruddha Weling, Will Haffer, James Goldie, Paul Wilson

Proceedings Volume 7660, 766018 (2010) https://doi.org/10.1117/12.850393

KEYWORDS: Skin, Absorption, Metals, Resistance, Long wavelength infrared, Copper, Microbolometers, Infrared radiation, Aluminum, Chromium

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Proceedings Article | 1 April 2010 Paper

Magneto-inductive waveguide as a passive wireless sensor net for structural health monitoring

Ye Chen, Shasi Munukutla, Praveenkumar Pasupathy, Dean Neikirk, Sharon Wood

Proceedings Volume 7647, 764749 (2010) https://doi.org/10.1117/12.847863

KEYWORDS: Sensors, Corrosion, Waveguides, Magnetic sensors, Inductance, Switches, Structural health monitoring, Capacitance, Signal attenuation, Circuit switching

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Proceedings Article | 7 May 2009 Paper

Wavelength-selective infrared detectors based on cross patterned resistive sheets

Joo-Yun Jung, Jong Yeon Park, Dean Neikirk

Proceedings Volume 7298, 72980L (2009) https://doi.org/10.1117/12.818638

KEYWORDS: Dielectrics, Absorption, Dielectric polarization, Microbolometers, Long wavelength infrared, Resistance, Infrared detectors, Infrared radiation, Mirrors, FSS based metamaterials

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Proceedings Article | 30 March 2009 Open Access

Passive sensors for infrastructure monitoring

Sharon Wood, Dean Neikirk

Proceedings Volume 7292, 729202 (2009) https://doi.org/10.1117/12.821722

KEYWORDS: Sensors, Corrosion, Passive sensors, Environmental sensing, Prototyping, Magnetic sensors, Resistance, Switches, Inspection, Bridges

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Proceedings Article | 8 April 2008 Paper

Improved reading techniques for electronic structural surveillance tags

P. Pasupathy, Dean Neikirk, Sharon Wood

Proceedings Volume 6932, 693214 (2008) https://doi.org/10.1117/12.776522

KEYWORDS: Sensors, Inductance, Circuit switching, Data modeling, Phase measurement, Resistance, Corrosion, Surveillance, Distance measurement, Capacitors

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Proceedings Article | 7 November 2007 Paper

Resonant chemical surveillance tags

Yoon Park, P. Pasupathy, Dean Neikirk

Proceedings Volume 6739, 673916 (2007) https://doi.org/10.1117/12.736975

KEYWORDS: Sensors, Photodiodes, Transducers, Silicon, Chemical analysis, Diodes, Microfluidics, Photodetectors, Chemiluminescence, Digital signal processing

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Proceedings Article | 8 October 2007 Paper

Wavelength-selective infrared detectors

Joo-Yun Jung, Sangwook Han, Dean Neikirk

Proceedings Volume 6737, 67370Z (2007) https://doi.org/10.1117/12.736971

KEYWORDS: Absorption, Microbolometers, Dielectrics, Mirrors, Solids, Infrared detectors, Germanium, Infrared radiation, Bolometers, Antennas

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Proceedings Article | 14 May 2007 Paper

Wavelength-selective infrared detectors based on patterned resistive sheets

Joo-Yun Jung, Sangwook Han, Dean Neikirk, Aniruddha Weling, James Goldie, Paul Willson

Proceedings Volume 6542, 65421G (2007) https://doi.org/10.1117/12.719731

KEYWORDS: Microbolometers, Absorption, Resistance, Infrared detectors, Long wavelength infrared, Infrared radiation, Mirrors, Metals, Antennas, Terahertz radiation

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Proceedings Article | 26 April 2007 Paper

Micromachined microfluidic chemiluminescent system for explosives detection

Yoon Park, Dean Neikirk, Eric Anslyn

Proceedings Volume 6554, 655403 (2007) https://doi.org/10.1117/12.719830

KEYWORDS: Silicon, Photodiodes, Etching, Microfluidics, Diodes, Photodetectors, Semiconducting wafers, Explosives detection, Sensors, Analytical research

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Proceedings Article | 10 April 2007 Paper

In situ measurement of conductivity and temperature during concrete curing using passive wireless sensors

Matthew Andringa, John Puryear, Dean Neikirk, Sharon Wood

Proceedings Volume 6529, 65293M (2007) https://doi.org/10.1117/12.715182

KEYWORDS: Sensors, Corrosion, Temperature metrology, Resistance, Prototyping, Ions, Transducers, Environmental sensing, Magnetic sensors, Capacitors

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Proceedings Article | 10 April 2007 Paper

Reliability of low-cost wireless sensors for civil infrastructure

John Puryear, Matthew Andringa, Sharon Wood, Dean Neikirk

Proceedings Volume 6529, 65293N (2007) https://doi.org/10.1117/12.714978

KEYWORDS: Sensors, Corrosion, Magnetic sensors, Prototyping, Reliability, Environmental sensing, Epoxies, Resonators, Inspection, Buildings

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Proceedings Article | 13 October 2006 Paper

Micromachined chemiluminescent system for explosives detection

Yoon Park, Dean Neikirk, Eric Anslyn

Proceedings Volume 6398, 63980R (2006) https://doi.org/10.1117/12.690200

KEYWORDS: Silicon, Photodiodes, Etching, Microfluidics, Sensors, Explosives, Receptors, Photodetectors, Metals, Chemical analysis

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Proceedings Article | 17 May 2006 Paper

Antenna-coupled microbolometers for multispectral infrared imaging

Aniruddha Weling, Patrick Henning, Dean Neikirk, Sangwook Han

Proceedings Volume 6206, 62061F (2006) https://doi.org/10.1117/12.665791

KEYWORDS: Sensors, Microbolometers, Infrared imaging, Absorption, Infrared sensors, Staring arrays, Mirrors, Long wavelength infrared, Thermography, Infrared detectors

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Proceedings Article | 17 May 2006 Paper

Multilayer Fabry-Perot microbolometers for infrared wavelength selective detection

Sangwook Han, Joo-Yun Jung, Dean Neikirk

Proceedings Volume 6206, 62061G (2006) https://doi.org/10.1117/12.666156

KEYWORDS: Absorption, Microbolometers, Dielectrics, Infrared radiation, Silicon, Mirrors, Solids, Multilayers, Fabry–Perot interferometers, Infrared detectors

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Proceedings Article | 11 April 2006 Paper

Wireless threshold sensors for detecting corrosion in reinforced concrete structures

Nathan Dickerson, Matthew Andringa, John Puryear, Sharon Wood, Dean Neikirk

Proceedings Volume 6174, 61741L (2006) https://doi.org/10.1117/12.658711

KEYWORDS: Sensors, Corrosion, Prisms, Resistance, Prototyping, Magnetic sensors, Environmental sensing, Phase measurement, Reliability, Ions

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Proceedings Article | 11 April 2006 Paper

Low-cost wireless corrosion and conductivity sensors

Matthew Andringa, John Puryear, Dean Neikirk, Sharon Wood

Proceedings Volume 6174, 61740X (2006) https://doi.org/10.1117/12.658836

KEYWORDS: Sensors, Corrosion, Resistance, Prototyping, Magnetic sensors, Environmental sensing, Capacitors, Capacitance, Device simulation, Switches

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Proceedings Article | 20 March 2006 Paper

Development of a resonant repeater tag for the enhancement of sensitivity and specificity in a wireless eddy current sensing scheme

Byungki Woo, Matthew Andringa, Sharon Wood, Dean Neikirk

Proceedings Volume 6176, 61761H (2006) https://doi.org/10.1117/12.658952

KEYWORDS: Sensors, Nondestructive evaluation, Copper, Metals, Cements, Inductive coupling, Inductance, Corrosion, Printed circuit board testing, Dielectrics

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Proceedings Article | 1 July 2005 Paper

MEMS-based method of polymer bead handling for chemical array sensors

Byunghwa Park, Yoon Park, Jun Wan Kim, Young-Soo Sohn, Dean Neikirk

Proceedings Volume 5836, (2005) https://doi.org/10.1117/12.608742

KEYWORDS: Sensors, Semiconducting wafers, Photomasks, Luminescence, Polymers, Polymeric sensors, Environmental sensing, Silicon, Chemical fiber sensors, Molecules

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Proceedings Article | 1 July 2005 Paper

Design of infrared wavelength-selective microbolometers using planar multimode detectors

Sang-Wook Han, Dean Neikirk

Proceedings Volume 5836, (2005) https://doi.org/10.1117/12.608698

KEYWORDS: Absorption, Microbolometers, Mirrors, Sensors, Infrared radiation, Infrared detectors, Fabry–Perot interferometers, Thermography, Infrared sensors, Staring arrays

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Proceedings Article | 17 May 2005 Paper

Wireless low-cost corrosion sensors for reinforced concrete structures

Nathan Dickerson, Jarkko Simonen, Matthew Ardringa, Sharon Wood, Dean Neikirk

Proceedings Volume 5765, (2005) https://doi.org/10.1117/12.600011

KEYWORDS: Sensors, Corrosion, Switches, Resistance, Inductance, Environmental sensing, Copper, Water, Reliability, Prototyping

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Proceedings Article | 22 January 2005 Paper

Microfabrication of a multichannel microfluidic system for use with microbead reagent sources and detectors

Jun Wan Kim, Young-Soo Sohn, Dean Neikirk

Proceedings Volume 5718, (2005) https://doi.org/10.1117/12.591251

KEYWORDS: Microfluidics, Sensors, Control systems, Semiconducting wafers, Liquids, Microfabrication, Prototyping, Silicon, Reactive ion etching, Microelectromechanical systems

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Proceedings Article | 29 July 2004 Paper

Unpowered wireless analog resistance sensor

Matthew Andringa, Dean Neikirk, Sharon Wood

Proceedings Volume 5391, (2004) https://doi.org/10.1117/12.540024

KEYWORDS: Sensors, Resistance, Computer simulations, Analog electronics, Circuit switching, Data modeling, Magnetic sensors, Capacitors, Corrosion, Transducers

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Proceedings Article | 29 July 2004 Paper

Wireless sensors for monitoring corrosion in reinforced concrete members

Jarkko Simonen, Matthew Andringa, Kristi Grizzle, Sharon Wood, Dean Neikirk

Proceedings Volume 5391, (2004) https://doi.org/10.1117/12.539529

KEYWORDS: Sensors, Corrosion, Switches, Resistance, Prototyping, Capacitors, Device simulation, Phase measurement, Epoxies, Oceanography

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Proceedings Article | 18 August 2003 Paper

Development of state sensors for civil engineering structures

Lisa Novak, Kristi Grizzle, Sharon Wood, Dean Neikirk

Proceedings Volume 5057, (2003) https://doi.org/10.1117/12.482690

KEYWORDS: Sensors, Switches, Corrosion, Inspection, Prototyping, Civil engineering, Copper, Capacitors, Earthquakes, Detector development

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Proceedings Article | 24 April 2003 Paper

Infrared wavelength-selective micromachined microbolometers

Jun Wan Kim, Dean Neikirk

Proceedings Volume 5116, (2003) https://doi.org/10.1117/12.499017

KEYWORDS: Microbolometers, Fabry–Perot interferometers, Black bodies, Absorption, Bolometers, Infrared radiation, Sensors, Mirrors, Infrared sensors, Temperature metrology

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Proceedings Article | 24 April 2003 Paper

Fabrication of bead-size sorting chip for chemical array sensor

Byung Hwa Park, Yoon Seok Park, Young-Soo Sohn, Dean Neikirk

Proceedings Volume 5116, (2003) https://doi.org/10.1117/12.499025

KEYWORDS: Sensors, Microfluidics, Silicon, Luminescence, Glasses, Molecules, Biological research, Micromachining, Chemical analysis, Statistical analysis

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Proceedings Article | 18 August 2000 Paper

Liquid flow through an array-based chemical sensing system

Young-Soo Sohn, Andrew Tsao, Eric Anslyn, John McDevitt, Jason Shear, Dean Neikirk

Proceedings Volume 4177, (2000) https://doi.org/10.1117/12.395663

KEYWORDS: Microfluidics, Glasses, Liquids, Biological detection systems, Sensing systems, Sensors, Biological research, Chemical analysis, Etching, Optical fabrication

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Proceedings Article | 30 June 1999 Paper

Lithographically patterned superconductor bolometer detectors for visible and near-infrared radiation incorporating wavelength-selective light-absorbing elements

Sara Eames, J. Yoo, John Warner, Dean Neikirk, John McDevitt

Proceedings Volume 3790, (1999) https://doi.org/10.1117/12.351247

KEYWORDS: Sensors, Superconductors, Polymers, Absorption, Visible radiation, Bolometers, Eye, Optical filters, Microbolometers, Cones

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Proceedings Article | 3 May 1999 Paper

Single-analyte to multianalyte fluorescence sensors

John Lavigne, Axel Metzger, Kenichi Niikura, Larry Cabell, Steven Savoy, J. Yoo, John McDevitt, Dean Neikirk, Jason Shear, Eric Anslyn

Proceedings Volume 3602, (1999) https://doi.org/10.1117/12.347545

KEYWORDS: Sensors, Luminescence, Receptors, Absorbance, Calcium, Polymers, Copper, Modulation, RGB color model, Molecules

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Proceedings Article | 18 December 1998 Paper

Solution-based analysis of multiple analytes by a sensor array: toward the development of an electronic tongue

Steven Savoy, John Lavigne, J. Yoo, John Wright, Marc Rodriguez, Adrian Goodey, Bridget McDoniel, John McDevitt, Eric Anslyn, Jason Shear, Andrew Ellington, Dean Neikirk

Proceedings Volume 3539, (1998) https://doi.org/10.1117/12.333750

KEYWORDS: Sensors, Receptors, Chemical analysis, Charge-coupled devices, Polymers, Tongue, Molecules, Data acquisition, CCD image sensors, Biological research

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Proceedings Article | 23 September 1996 Paper

Fabrication and characterization of a Fabry-Perot-based chemical sensor

Jaeheon Han, Dean Neikirk, Marvin Clevenger, John McDevitt

Proceedings Volume 2881, (1996) https://doi.org/10.1117/12.251246

KEYWORDS: Polymers, Fabry–Perot interferometers, Optical microcavities, Polymer thin films, Chemical fiber sensors, Silicon, Coating, Polymeric sensors, Etching, Iodine

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Proceedings Article | 17 September 1996 Paper

Deflection behavior of Fabry-Perot pressure sensors having planar and corrugated membrane

Jaeheon Han, Dean Neikirk

Proceedings Volume 2882, (1996) https://doi.org/10.1117/12.250725

KEYWORDS: Fabry–Perot interferometers, Sensors, Optical microcavities

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Proceedings Article | 15 September 1995 Paper

Design of an inductive proximity sensor using a two-coil planar transformer

Vikas Gupta, Dean Neikirk

Proceedings Volume 2642, (1995) https://doi.org/10.1117/12.221167

KEYWORDS: Sensors, Inductance, Resistance, Transformers, Transducers, Magnetism, Distance measurement, Magnetic sensors, Metals, Silicon

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Proceedings Article | 15 September 1995 Paper

Micromachined Fabry-Perot cavity pressure transducer with optical fiber interconnects

Youngmin Kim, Dean Neikirk

Proceedings Volume 2642, (1995) https://doi.org/10.1117/12.221174

KEYWORDS: Fabry–Perot interferometers, Mirrors, Sensors, Optical fibers, Silicon, Semiconducting wafers, Etching, Transmittance, Transducers, Silica

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Proceedings Article | 11 May 1994 Paper

Diffraction condition dependence of reflection high-energy electron diffraction (RHEED) dampening during molecular-beam epitaxy (MBE)growth

Tom Block, Kurt Eiynk, Dean Neikirk, Ben Streetman

Proceedings Volume 2140, (1994) https://doi.org/10.1117/12.175791

KEYWORDS: Gallium arsenide, Diffraction, Phase shifts, Data modeling, Silicon, Solids, Scattering, Reflection, Epitaxy, Kinematics

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Proceedings Article | 1 October 1990 Paper

Transition-edge microbolometer

Stuart Wentworth, Dean Neikirk

Proceedings Volume 1292, (1990) https://doi.org/10.1117/12.21040

KEYWORDS: Sensors, Superconductors, Lead, Resistance, Antennas, Composites, Microbolometers, Bolometers, Bismuth, Temperature metrology

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Proceedings Article | 1 August 1990 Paper

Realistic band structure models for GaAs/AlAs quantum well diodes

Douglas Miller, Vijay Reddy, Robert Rogers, Dean Neikirk

Proceedings Volume 1288, (1990) https://doi.org/10.1117/12.20917

KEYWORDS: Crystals, Quantum wells, Heterojunctions, Instrument modeling, Diodes, Gallium arsenide, Electron transport, High speed electronics, Particles, Semiconductors

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