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Registration is now open for the next online course series starting July 15, 2024

I'll be teaching a series of four courses again, starting July 15, 2024:

  • "Understanding Light for Illumination" about the deep, beautiful, yet immediately applicable theory.

  • "Modeling light sources and systems" shows you how to get your ray tracing models right.

  • "Optical elements" fills your design toolbox with lenses, reflectors, fly's eye arrays and more.

  • "Colorimetry for LED users" covers what you need to know to quantify color quality, with a special on spectral LED modeling.

Synopsys kindly provides all the details and handles registration for these courses.

Watch my freeform optics talk at Photonics Spectra's Optical Design Summit

Photonics Spectra has kindly invited me to give a talk on "Designing Freeform Optics for Illumination" at its Optical Design Summit on May 22. I explained what makes designing freeform optics for illumination so challenging, introducee the various methods, with examples, and concluded with an outlook on where we stand today, and what is needed next in freeform optics for illumination. Registration is free, but the video is available to watch only for a few more weeks, so don't procrastinate!

Webinar: "The Etendue Mystery Revealed" on

Photonics Media, host of the website and publisher of Photonics Spectra, has kindly invited me to give a one hour webinar titled "The Etendue Mystery Revealed". In this webinar, I explain what etendue is, exactly when etendue is conserved, and how etendue can help to assess feasibility and guide the optical designer toward finding effective optical solutions.

It's been recorded, and the recording is now available to watch for free on, and/or on YouTube.

Light where it should be

Illumination optics is a truly fascinating field. It's full of surprising depth and beauty, yet practical: Applying the theory to an illumination design project is immensely helpful in getting things right from the start, and avoiding dead ends. I should know, I have been doing this for over 25 years. So when you need assistance with getting the illumination right in a project, I can help you in a multitude of ways:

  • Design: You just want a good illumination optical solution? I can design optics for you, from feasibility and first conceptual ideas to production-ready designs.

  • For a first one hour look at your task: Book me here, pay by credit card and schedule a meeting with me, quick and easy.

  • Design + insight: You need an optical solution, but you're also curious to get insight into the nature of your problem? I can help you learn things about illumination optics on the way: I will happily tell you how I approach your problem from the start, why I choose certain optical concepts, and what I do to get the design right. 

  • You are (or will be) an optical designer for illumination, and you've found you need to dig deeper: You can attend one of my scheduled online courses, (register with Synopsys) or contact me to discuss a dedicated course just for your people, online or in your offices. And you can read our book.

  • You are an optical designer for illumination, and all you need is an expert you can ask to look over your shoulder every once in a while (a.k.a. mentor)? Throughout my professional life, I have been helping younger colleagues around me grow their skills and their careers. This is what I enjoy most, even more than teaching courses
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