Dr. John W. Locher Profile

Dr. John W. Locher

R&D Manager at Luxium Solutions

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Publications (11)

Proceedings Article | 22 May 2015 Paper

Stress measurement of EFG sapphire using Cr3+ piezospectroscopy

Drew Haven, Herbert Bates, John Locher, Steven Zanella

Proceedings Volume 9453, 94530M (2015) https://doi.org/10.1117/12.2180655

KEYWORDS: Sapphire, Crystals, Luminescence, Nondestructive evaluation, Temperature metrology, Fiber optics, Transmittance, Manufacturing, Signal to noise ratio, Spectroscopy

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Proceedings Article | 11 May 2009 Paper

Characteristics of thick (>12 mm) Class225 EFG sapphire sheet for IR window applications

John Locher, Christopher Jones, Herbert Bates, Jeffrey Rioux

Proceedings Volume 7302, 730203 (2009) https://doi.org/10.1117/12.818020

KEYWORDS: Sapphire, Crystals, Polishing, Scattering, Ocean optics, Infrared radiation, Scatter measurement, Ultraviolet radiation, Visible radiation, FT-IR spectroscopy

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Proceedings Article | 15 October 2005 Paper

Producing large EFG© sapphire sheet for VIS-IR (500-5000 nm) window applications

Christopher Jones, John Locher, Herb Bates, Steven Zanella

Proceedings Volume 5990, 599007 (2005) https://doi.org/10.1117/12.631151

KEYWORDS: Sapphire, Crystals, Polishing, Transmittance, Absorption, Ocean optics, Inspection, Reflection, Surface finishing, Distortion

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Proceedings Article | 18 May 2005 Paper

Producing large EFG sapphire sheet for VIS-IR (500-5000 nm) window applications

John Locher, Herb Bates, Christopher Jones, Steven Zanella

Proceedings Volume 5786, (2005) https://doi.org/10.1117/12.603843

KEYWORDS: Sapphire, Polishing, Transmittance, Absorption, Crystals, Inspection, Ocean optics, Surface finishing, Distortion, Optical design

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Proceedings Article | 18 May 2005 Paper

Optical and crystalline characteristics of large EFG sapphire sheet

Herbert Bates, Christopher Jones, John Locher

Proceedings Volume 5786, (2005) https://doi.org/10.1117/12.603944

KEYWORDS: Crystals, Sapphire, Crystallography, X-rays, Crystal optics, Refractive index, Laser crystals, Polishing, Surface finishing, Reflection

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Proceedings Article | 26 September 2003 Paper

The production of 225 x 325 mm sapphire windows for IR (1 to 5 µm) applications

John Locher, Herbert Bates, Steven Zanella, Evan Lundstedt, Charles Warner

Proceedings Volume 5078, (2003) https://doi.org/10.1117/12.485701

KEYWORDS: Crystals, Sapphire, Polishing, Air contamination, Wavefronts, Spectroscopy, Visible radiation, Surface finishing, Inspection, Optical testing

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Proceedings Article | 7 September 2001 Paper

Large-area edge-bonded flat and curved sapphire windows

Patrick McGuire, Brian Pazol, Richard Gentilman, Joel Askinazi, John Locher

Proceedings Volume 4375, (2001) https://doi.org/10.1117/12.439174

KEYWORDS: Sapphire, Glasses, Optical coatings, Polishing, Index matching antireflective coatings, Surface finishing, Zinc, Crystals, Roads, Wavefronts

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Proceedings Article | 25 October 2000 Paper

Large-area flat and curved sapphire window blanks

Brian Pazol, Patrick McGuire, Richard Gentilman, John Locher, Joel Askinazi

Proceedings Volume 4102, (2000) https://doi.org/10.1117/12.405304

KEYWORDS: Sapphire, Zinc, Polishing, Directed energy weapons, Surface finishing, Crystals, Roads, Wavefronts, Ceramics, Objectives

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Proceedings Article | 26 July 1999 Paper

High-strength edge-bonded sapphire windows

Richard Gentilman, Patrick McGuire, Brian Pazol, Joel Askinazi, Robert Steindl, John Locher

Proceedings Volume 3705, (1999) https://doi.org/10.1117/12.354633

KEYWORDS: Sapphire, Polishing, Wavefronts, Zinc, Surface finishing, Ceramics, Transmittance, Mid-IR, Infrared radiation, Diffusion

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Proceedings Article | 14 December 1992 Paper

80-mm EFG sapphire dome blanks yield high-quality low-cost single-crystal domes

John Locher, Herb Bates, W. Severn, Brian Pazol, Anthony DeFranzo

Proceedings Volume 1760, (1992) https://doi.org/10.1117/12.130785

KEYWORDS: Sapphire, Domes, Crystals, Polishing, Temperature metrology, Scatter measurement, Thermography, Refractive index, Refraction, Surface finishing

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Proceedings Article | 1 October 1990 Paper

Large diameter sapphire dome: fabrication and characterization

John Locher, Harold Bennett, Philip Archibald, C. Newmyer

Proceedings Volume 1326, (1990) https://doi.org/10.1117/12.22476

KEYWORDS: Sapphire, Crystals, Light scattering, Polishing, Scattering, Infrared radiation, Surface finishing, Domes, Visible radiation, Weapons

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Showing 5 of 11 publications

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