Dr. H. Philip Stahl
Senior Optical Physicist at
SPIE Involvement:
Awards Committee | Board of Directors | Engineering, Science, and Technology Policy Committee | Executive Committee | Nominating Committee | Publications Committee | Strategic Planning Committee | Symposia Committee | Fellow status | Conference Program Committee | Symposium Chair | Conference Chair | Author | Editor | Instructor
Area of Expertise:
Optical Engineering , Optical Metrology , Optical Fabrication , Systems Engineering , Optical Testing , Interferometry
Profile Summary

Dr. H. Philip Stahl is a Senior Optical Physicist at NASA MSFC currently leading an effort to mature technologies for a new large aperture telescope to replace the Hubble Space Telescope. Previous assignments include Mirror Technology lead for the James Webb Space Telescope. Dr. Stahl is a leading authority in optical metrology, optical engineering, and phase-measuring interferometry. Many of the world's largest telescopes have been fabricated with the aid of high-speed and infrared phase-measuring Interferometers developed by him, including the Keck, VLT and Gemini telescopes. Dr. Stahl is a Fellow of SPIE, Fellow of OSA, member of AAS and IAU. He was the 2014 SPIE President and an ICO Vice-President (2005-11). He earned his PhD (1985) and MS (1983) in Optical Science at the University of Arizona Optical Sciences Center. He earned a BA in Physics and Mathematics from Wittenberg University in 1979.
Publications (130)

PROCEEDINGS ARTICLE | October 5, 2017
Proc. SPIE. 10401, Astronomical Optics: Design, Manufacture, and Test of Space and Ground Systems
KEYWORDS: Mirrors, Thermal modeling, Performance modeling, Integrated modeling, Systems modeling, Space telescopes, Astrophysics, Wavefronts, Exoplanets

PROCEEDINGS ARTICLE | September 6, 2017
Proc. SPIE. 10374, Optical Modeling and Performance Predictions IX
KEYWORDS: Mirrors, Zerodur, Thermal modeling, Temperature metrology, Lightweight mirrors, Thermal effects, Cryogenics, Space mirrors, Interferometry

PROCEEDINGS ARTICLE | September 6, 2017
Proc. SPIE. 10374, Optical Modeling and Performance Predictions IX
KEYWORDS: Structural design, Mirrors, Space telescopes, James Webb Space Telescope, Off axis mirrors, Error analysis, Telescopes

PROCEEDINGS ARTICLE | September 5, 2017
Proc. SPIE. 10371, Optomechanical Engineering 2017
KEYWORDS: Imaging systems, Mirrors, Finite element methods, Imaging spectroscopy, Data modeling, Systems modeling, Exoplanets, Astronomy, Astrophysics, Planetary systems

PROCEEDINGS ARTICLE | September 5, 2017
Proc. SPIE. 10398, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VIII
KEYWORDS: Coronagraphy, Planets, Telescopes, Mirrors, Space telescopes, Point spread functions, Speckle, Wavefronts

PROCEEDINGS ARTICLE | September 5, 2017
Proc. SPIE. 10398, UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VIII

Showing 5 of 130 publications
Conference Committee Involvement (34)
An Optical Believe It or Not: Key Lessons Learned V
19 August 2018 | San Diego, California, United States
Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave
10 June 2018 | Austin, Texas, United States
UV/Optical/IR Space Telescopes and Instruments: Innovative Technologies and Concepts VIII
6 August 2017 | San Diego, California, United States
Optical Metrology and Inspection for Industrial Applications IV
12 October 2016 | Beijing, China
Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave
26 June 2016 | Edinburgh, United Kingdom
Showing 5 of 34 published special sections
Course Instructor
SC392: Testing Aspheric Components
This course summarizes aspheric component testing techniques, including: profilometry, interferometry, and geometric ray tests. Both null and non-null configurations are presented as well as specialized techniques: phase-measuring interferometry; CGH, two-wavelength, and infrared interferometry; sparse-array sampling; moire interferometry; and the Ronchi test.
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