Alan Symmons
Executive Vice President - Infrared, Optics and Lasers
SPIE Involvement:
Conference Program Committee | Author | Editor | Instructor
Websites:
Publications (20)

Proceedings Article | 4 October 2022 Paper
Proceedings Volume 12219, 1221902 (2022) https://doi.org/10.1117/12.2633082
KEYWORDS: Aspheric lenses, Optics manufacturing, Design for manufacturing, Lenses, Manufacturing, Precision glass molding, Glass molding, Tolerancing, Optical design

SPIE Press Book | 31 August 2021
Alan Symmons, Mark Lifshotz
KEYWORDS: Infrared radiation, Infrared materials, Crystals, Thermography, Optics manufacturing, Germanium, Zinc, Polishing, Refractive index, Silicon

Proceedings Article | 12 April 2021 Presentation + Paper
Proceedings Volume 11737, 1173705 (2021) https://doi.org/10.1117/12.2585647
KEYWORDS: Germanium, Zinc, Metals, Silicon, Infrared materials, Chemical elements, Crystal optics, Antimony, Cadmium, Chalcogenide glass

Proceedings Article | 12 April 2021 Presentation + Paper
Proceedings Volume 11737, 1173708 (2021) https://doi.org/10.1117/12.2587917
KEYWORDS: Precision glass molding, Chalcogenide glass, Thermography, Semiconducting wafers, Lenses, Chalcogenides

Proceedings Article | 20 August 2020 Presentation + Paper
Proceedings Volume 11487, 1148710 (2020) https://doi.org/10.1117/12.2568958
KEYWORDS: Freeform optics, Glasses, Precision glass molding, Glass molding, Optics manufacturing, Metrology, Aluminum, Manufacturing, Surface roughness

Showing 5 of 20 publications
Proceedings Volume Editor (2)

Conference Committee Involvement (14)
Advanced Optics for Imaging Applications: UV through LWIR X
13 April 2025 | Orlando, Florida, United States
Advanced Optics for Imaging Applications: UV through LWIR IX
22 April 2024 | National Harbor, Maryland, United States
Advanced Optics for Imaging Applications: UV through LWIR VIII
1 May 2023 | Orlando, Florida, United States
Polymer Optics and Molded Glass Optics: Design, Fabrication, and Materials 2022
22 August 2022 | San Diego, California, United States
Advanced Optics for Imaging Applications: UV through LWIR VII
3 April 2022 | Orlando, Florida, United States
Showing 5 of 14 Conference Committees
Course Instructor
SC1315: Precision Glass Molded Optics: Design Through Manufacturing
Precision glass molded optics are becoming increasingly popular. The technology has matured rapidly in the last decade and can now be found as a preferred manufacturing process in many applications ranging from diode collimation to fiber coupling, illumination, and imaging both in the visible and the infrared. Precision glass molding lends itself to high volume replication of glass optics, ranging from simple spherical to aspheric, freeform, array and wafer level optics. This course provides a detailed overview of precision glass molded optics. Course topics include glass properties, moldable glasses, preforms, molds and tooling, tooling materials, mold coating, processing, specialty manufacturing processes, molding machines, post-processing, and costing. The course also covers the design process, including tooling design, preform selection and sizing and a detailed overview of design for manufacturing for precision glass molding. This course is for those interested in a more thorough understanding of precision glass molding. Introductory material can be found in course SC1178: Fundamentals of Molded Optics.
SC1178: Fundamentals of Molded Optics
This course provides attendees with an overview of the numerous optical molding technologies with an emphasis on the fundamentals of the more dominant fields of injection molded plastic optics and precision glass molding. A review of glass molding, plastic molding and hybrid molding processes will be included. The attendee will gain an understanding of how and when molded optics can be effectively used in products and how to select the correct manufacturing method. Course topics include description of the manufacturing processes, tool design features, materials properties, design methods unique to molded optical elements, manufacturing tolerances, coatings, test methods, and examples of applications that use optical elements.
NON-SPIE: SC384
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