Dr. Alan R. Hedges Profile

Dr. Alan R. Hedges

Director of Precision Engineering at II-VI Infrared

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Publications (6)

Proceedings Article | 27 February 2019

Optics with diamond-like-carbon overcoat (DOC) provide improved optical performance over traditional DLC films and better cleanability than standard PVD coatings

Stan Himelinski, Jim Bacon, Alan Hedges, Gregg Davis

Proc. SPIE. 10914, Optical Components and Materials XVI

KEYWORDS: Carbon, Mirrors, Antireflective coatings, Aerospace engineering, Germanium, Optical coatings, Infrared radiation, Thin film coatings, Infrared coatings, Absorption

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Proceedings Article | 12 September 2014

Reaction bonded silicon carbide material characteristics as related to its use in high power laser systems

Matthew Pitschman, Travis Miller, Alan Hedges, Steve Rummel

Proc. SPIE. 9193, Novel Optical Systems Design and Optimization XVII

KEYWORDS: Mirrors, Diamond, Polishing, High power lasers, Copper, Silicon, Manufacturing, 3D modeling, Silicon carbide, Surface finishing

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Proceedings Article | 22 September 2011

Diamond turning considerations in the manufacture of beam shaping optics

Gregg Davis, Gary Herrit, Alan Hedges

Proc. SPIE. 8130, Laser Beam Shaping XII

KEYWORDS: Diamond turning, Diamond, Spindles, Fourier transforms, Free space, Free space optics, Servomechanisms, Beam shaping, Micro cutting, Optics manufacturing

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Proceedings Article | 24 August 2009

Comparison of freeform manufacturing techniques in the production of monolithic lens arrays

Gregg Davis, Jeffrey Roblee, Alan Hedges

Proc. SPIE. 7426, Optical Manufacturing and Testing VIII

KEYWORDS: Diamond turning, Diamond, Spindles, Germanium, Manufacturing, Fourier transforms, Wavefront sensors, Computer programming, Servomechanisms, Micro cutting

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Proceedings Article | 14 May 2007

Manufacturing of a freeform phase plate for suppression of diffraction in an astronomical telescope

Gregg Davis, Matthew Kenworthy, Alan Hedges

Proc. SPIE. 10316, Optifab 2007: Technical Digest

KEYWORDS: Diffraction, Optical design, Diamond turning, Diamond, Spindles, Metrology, Stars, Manufacturing, Exoplanets, Optics manufacturing

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Proceedings Article | 1 October 1990

Tool geometry and wear effects in diamond turning

Richard Parker, Alan Hedges, D. Holt, John Myler

Proc. SPIE. 1320, Infrared Technology and Applications

KEYWORDS: Diamond turning, Diamond, Optical spheres, Error analysis, Germanium, Interferometry, Software development, Infrared technology, Error control coding, Osmium

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Showing 5 of 6 publications

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