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Richard Pfisterer
Photon Engineering
Richard Pfisterer
is president and co-founder of Photon Engineering LLC and is regarded as one of the world’s leading authorities on scatter theory/measurement and stray light analysis. He holds bachelor’s and master’s degrees in optical engineering from the University of Rochester.
Articles
By Richard Pfisterer
June 2018
Minimizing Stray Light in Everyday Optical Systems
Very often when optical engineers hear “stray light” or see a requirement for some level of either stray light analysis or testing, they become concerned. They wonder how such a simple...
February 2018
Scatter and BSDF Measurements: Theory and Practice
Except for direct illumination from the sun, laser, or other light source, everything we see or detect is ultimately scattered light. Light can be scattered or rescattered during its propagation to...
February 2017
Optical System Optimization: Analyzing the Effects of Stray Light
Electrical engineers are very familiar with the effects of shot noise, thermal noise, flicker noise and crosstalk, and recognize how these effects can reduce the signal-to-noise ratio (SNR) in their...
February 2015
Optical Design Software: Fundamentals and Potential
Optical design software allows the user to develop a configuration of optical elements that manipulate the trajectory of light for the purposes of creating an image, illuminating a target, coupling...
December 2025
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