---
title: Blogs | Janne Simonen | OptoFidelity
image: https://www.optofidelity.com/hubfs/raw_assets/public/optofidelity-theme/assets/images/optofidelity-default-teaser.jpg
description: PhD, Optical Engineer & Technical Lead at OptoFidelity Ltd. Mr. Simonen earned his PhD in 2003, developing new methods for the fabrication of diffractive optical elements. Since then, he worked as researcher in the field of nanophotonics in the universities of Joensuu, Tampere and Jyväskylä, and also spend two years in RIKEN, Japan. He joined OptoFidelity in 2018 to tackle challenges in optical testing, especially related to AR/VR displays.
---

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# Blogs

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Blogs | Janne Simonen

### Characterizing Augmented Reality Displays Based On Waveguide Gratings

](https://www.optofidelity.com/insights/blogs/characterizing-augmented-reality-displays-based-on-waveguide-gratings)

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