Dr. Drew M. L'Esperance Profile

Dr. Drew M. L'Esperance

Sr. Scientist at Hadland Imaging LLC

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Author

Publications (8)

Proceedings Article | 3 September 2019 Presentation + Paper

Schlieren unwrapped: distortion correction in digital focusing schlieren

Benjamin Buckner, Drew L'Esperance

Proceedings Volume 11102, 111020R (2019) https://doi.org/10.1117/12.2528081

KEYWORDS: Schlieren techniques, Distortion, Cameras, Calibration, Imaging systems, Projection systems, Lenses, Digital imaging, Image processing

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Proceedings Article | 23 August 2017 Presentation + Paper

Focusing schlieren systems using digitally projected grids

Drew L'Esperance, Benjamin Buckner

Proceedings Volume 10373, 103730R (2017) https://doi.org/10.1117/12.2274079

KEYWORDS: Visualization, Imaging systems, Aerodynamics, Thermal effects, Lenses, Calibration, Convection, Collimation, Mirrors, Cameras

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Proceedings Article | 1 September 2015 Paper

Background-oriented schlieren for the study of large flow fields

James Trolinger, Ben Buckner, Drew L'Esperance

Proceedings Volume 9576, 95760E (2015) https://doi.org/10.1117/12.2189534

KEYWORDS: Cameras, Imaging systems, Image processing, Refractive index, Visualization, Computing systems, Light sources, Light emitting diodes, Optical filters, Digital imaging

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Proceedings Article | 1 September 2015 Paper

Digital focusing schlieren imaging

Benjamin Buckner, James Trolinger, Drew L'Esperance

Proceedings Volume 9576, 95760C (2015) https://doi.org/10.1117/12.2189533

KEYWORDS: Cameras, Calibration, Projection systems, Imaging systems, LCDs, Analog electronics, Modulators, Optical filters, Distortion, Convection

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SPIE Journal Paper | 8 August 2013

Digital synchroballistic schlieren camera for high-speed photography of bullets and rocket sleds

Ben Buckner, Drew L'Esperance

OE, Vol. 52, Issue 08, 083105, (August 2013) https://doi.org/10.1117/12.10.1117/1.OE.52.8.083105

KEYWORDS: Cameras, Streak cameras, Mirrors, Rockets, Sensors, Imaging systems, High speed photography, Digital cameras, High speed cameras, Photography

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Proceedings Article | 17 May 2006 Paper

Advanced LDV instruments for buried landmine detection

Amit Lal, Slava Aranchuk, Valentina Doushkina, Ernesto Hurtado, Cecil Hess, Jim Kilpatrick, Drew L'Esperance, Nan Luo, Vladimir Markov, Jim Sabatier, Eddie Scott

Proceedings Volume 6217, 621715 (2006) https://doi.org/10.1117/12.668927

KEYWORDS: Land mines, Laser Doppler velocimetry, Spatial resolution, Sensors, Doppler effect, Cameras, Interferometry, Phase shifts, Imaging systems, Photography

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Proceedings Article | 15 August 2003 Paper

Bacteriorhodopsin as a chemical and biological sensor

Bauke Heeg, Richard Needleman, Anatoliy Khizhnyak, Drew L'Esperance, Eddie Scott, Vladimir Markov, James Trolinger

Proceedings Volume 5085, (2003) https://doi.org/10.1117/12.488595

KEYWORDS: Absorption, Molecules, Proteins, Sensors, Luminescence, Ultraviolet radiation, Metals, Absorbance, Spectroscopy, Fluorescence resonance energy transfer

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Proceedings Article | 1 December 1991 Paper

Time-resolved photon echo and fluorescence anisotropy study of organically doped sol-gel glasses

Eric Chronister, Drew L'Esperance, John Pelo, John Middleton, Robert Crowell

Proceedings Volume 1559, (1991) https://doi.org/10.1117/12.50657

KEYWORDS: Glasses, Sol-gels, Chromophores, Temperature metrology, Fluorescence anisotropy, Luminescence, Anisotropy, Molecules, Hole burning spectroscopy, Energy transfer

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Showing 5 of 8 publications

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