Prof. Lothar U. Kempen Profile

Prof. Lothar U. Kempen

Professor at Hochschule Ruhr West

SPIE Involvement:

Author

Publications (22)

Proceedings Article | 31 May 2013 Paper

Fiber optic oxygen sensor detection system for harsh environments of aerospace applications

Alex Kazemi, Edgar Mendoza, Kish Goswami, Lothar Kempen

Proceedings Volume 8720, 872002 (2013) https://doi.org/10.1117/12.2014440

KEYWORDS: Oxygen, Sensors, Fiber optics sensors, Fiber optics, Environmental sensing, Optoelectronics, Luminescence, Telecommunications, Fiber optic communications, Calibration

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Proceedings Article | 10 May 2012 Paper

Miniature multi-analyte fiber-optic sensor probe

Lothar Kempen, Manal Beshay, Jesus Delgado

Proceedings Volume 8368, 83680C (2012) https://doi.org/10.1117/12.921483

KEYWORDS: Sensors, Fiber optics sensors, Carbon dioxide, Polymers, Oxygen, Chemistry, Polymeric sensors, Polymer optical fibers, Fiber optics, Luminescence

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Proceedings Article | 10 May 2012 Paper

Plastic optical fiber hydrogen detection sensor systems for harsh environment in aerospace application

Alex Kazemi, Kish Goswami, Edward Mendoza, Lothar Kempen

Proceedings Volume 8368, 836807 (2012) https://doi.org/10.1117/12.918897

KEYWORDS: Hydrogen, Sensors, Phase only filters, Environmental sensing, Glasses, Optoelectronics, Nitrogen, Fiber optics sensors, Calibration, Polymer optical fibers

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Proceedings Article | 26 May 2011 Paper

Battery outgassing sensor for electric drive vehicle energy storage systems

Manal Beshay, Jai Ganesh Chandra Sekhar, Lothar Kempen

Proceedings Volume 8026, 80260K (2011) https://doi.org/10.1117/12.887346

KEYWORDS: Sensors, Carbon dioxide, Hydrogen, Chemistry, Polymers, Gases, Information operations, Thin films, Safety, Optical sensors

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Proceedings Article | 26 May 2011 Paper

Viability of guided-wave ultrasound diagnostics for sharply curved composite structures

Indu Fiesler Saxena, Narciso Guzman, Lothar Kempen, Vinay Dayal

Proceedings Volume 8026, 802603 (2011) https://doi.org/10.1117/12.885812

KEYWORDS: Composites, Ultrasonography, Ferroelectric materials, Wave propagation, Waveguides, Dispersion, Nondestructive evaluation, Phase velocity, Receivers, Diagnostics

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Proceedings Article | 26 May 2011 Paper

Intrinsically safe oxygen and hydrogen optical leak detector

Manal Beshay, Simona Garon, David Ruiz, Lothar Kempen

Proceedings Volume 8026, 802605 (2011) https://doi.org/10.1117/12.887413

KEYWORDS: Hydrogen, Polymers, Oxygen, Waveguides, Sensors, Polymer multimode waveguides, Glasses, Cryogenics, Polymeric sensors, Humidity

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Proceedings Article | 17 May 2011 Paper

Field-based multiplex and quantitative assay platforms for diagnostics

Srivatsa Venkatasubbarao, C. Edward Dixon, Russell Chipman, Axel Scherer, Manal Beshay, Lothar Kempen, Jai Ganesh Chandra Sekhar, Hong Yan, Ava Puccio, David Okonkwo, Stephen McClain, Noah Gilbert, Saurabh Vyawahare

Proceedings Volume 8029, 80290P (2011) https://doi.org/10.1117/12.886661

KEYWORDS: Microfluidics, Traumatic brain injury, Diagnostics, Proteins, Multiplexing, Glasses, Injuries, Prisms, Biosensors, Polarization

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Proceedings Article | 27 April 2010 Paper

Interrogation strategies for distributed and multipoint fiber optic sensors

Lothar Kempen, Indu Saxena

Proceedings Volume 7675, 76750G (2010) https://doi.org/10.1117/12.853091

KEYWORDS: Fiber Bragg gratings, Sensors, Signal detection, Fiber optics sensors, Tunable lasers, Optical filters, Receivers, Tunable filters, Linear filtering, Optical fibers

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Proceedings Article | 6 May 2009 Paper

Propogation loss with frequency of ultrasound guided waves in a composite metal-honeycomb structure

Indu Saxena, Harsh Baid, Narciso Guzman, Lothar Kempen, Ajit Mal

Proceedings Volume 7314, 73140P (2009) https://doi.org/10.1117/12.835473

KEYWORDS: Ferroelectric materials, Ultrasonography, Waveguides, Fiber Bragg gratings, Composites, Receivers, Signal attenuation, Aerospace engineering, Wave propagation, Diagnostics

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Proceedings Article | 2 October 2007 Paper

Self-compensated high-speed FBG interrogation using closed-loop tracking system

Lothar Kempen, Edgar Mendoza, Indu Saxena

Proceedings Volume 6758, 67580E (2007) https://doi.org/10.1117/12.753550

KEYWORDS: Fiber Bragg gratings, Sensors, Receivers, Signal detection, Linear filtering, Optical filters, Intelligence systems, Signal processing, Tunable filters, Electronic filtering

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Proceedings Article | 26 September 2007 Paper

Fiber optic oxygen sensor leak detection system for space applications

Alex Kazemi, Kish Goswami, Edgar Mendoza, Lothar Kempen

Proceedings Volume 6758, 67580C (2007) https://doi.org/10.1117/12.735103

KEYWORDS: Oxygen, Sensors, Fiber optics sensors, Fiber optics, Calibration, Optoelectronics, Fiber optics tests, Luminescence, Telecommunications, Temperature metrology

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Proceedings Article | 20 October 2006 Paper

High resolution underwater fiber optic threat detection system

Alexander Berger, Shalmon Hermesh, Eugene Durets, Lothar Kempen

Proceedings Volume 6371, 63710I (2006) https://doi.org/10.1117/12.696911

KEYWORDS: Fiber Bragg gratings, Acoustics, Sensors, Fiber optics, Projection systems, Transducers, Optical fibers, Data acquisition, Electronic components, Acoustic emission

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Proceedings Article | 10 October 2006 Paper

Fiber optic hydrogen sensor leak detection system for launch vehicle applications

Alex Kazemi, Kish Goswami, Edgar Mendoza, Lothar Kempen, Robert Lieberman

Proceedings Volume 6379, 63790D (2006) https://doi.org/10.1117/12.686513

KEYWORDS: Hydrogen, Sensors, Fiber optics sensors, Fiber optics, Optoelectronics, Calibration, Fiber optics tests, Telecommunications, Fiber optic communications, Sensing systems

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Proceedings Article | 28 May 2004 Paper

Continuous tone gray-scale photomask for deep UV lithography applications

Edgar Mendoza, Fernando Sigoli, Heidi Paulus, Luan Giang, Mahmood Seifouri, E. Lam, Lothar Kempen

Proceedings Volume 5377, (2004) https://doi.org/10.1117/12.527581

KEYWORDS: Photomasks, Photomask technology, Deep ultraviolet, Lithography, Ultraviolet radiation, Computer generated holography, Signal attenuation, Glasses, Thin films, Silica

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Proceedings Article | 17 December 2003 Paper

Continuous-tone gray-scale photomasks based on photosensitive spin-on-glass technology for deep-UV lithography applications

Edgar Mendoza, F. Sigoli, H. Paulus, L. Giang, M. Seifouri, E. Lam, Lothar Kempen, Farvardin Johansooz

Proceedings Volume 5256, (2003) https://doi.org/10.1117/12.528092

KEYWORDS: Photomasks, Photomask technology, Deep ultraviolet, Lithography, Ultraviolet radiation, Computer generated holography, Signal attenuation, Glasses, Thin films, Optical lithography

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Proceedings Article | 1 March 2001 Paper

Multi-point fiber optic hydrogen sensor system for detection of cryogenic leaks in aerospace applications

Edgar Mendoza, Lothar Kempen, Anil Menon, Eugene Durets, Steve Pflanze, Robert Lieberman, Alex Kazemi

Proceedings Volume 4204, (2001) https://doi.org/10.1117/12.417403

KEYWORDS: Hydrogen, Sensors, Fiber optics sensors, Oxygen, Cryogenics, Optoelectronics, Helium, Nitrogen, Fiber optics, Aerospace engineering

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Proceedings Article | 1 March 2001 Paper

Fiber optic oxygen sensor detection system for aerospace applications

Alex Kazemi, Edgar Mendoza, Lothar Kempen, Robert Lieberman

Proceedings Volume 4204, (2001) https://doi.org/10.1117/12.417402

KEYWORDS: Oxygen, Sensors, Fiber optics sensors, Fiber optics, Luminescence, Optoelectronics, Aerospace engineering, Fiber optic communications, Telecommunications, Optical communications

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