Figure 11.3 — Gratings and Fresnel lenses — Optical Tweezers: Principles and Applications
Negative Fresnel lens – savemaple.org
Negative Fresnel lens – savemaple.org
Design of Fresnel lens with spherical facets for concentrated solar power applications - Awasthi - 2020 - International Journal of Energy Research - Wiley Online Library
What is Fresnel lens? What is its used for? - Tehao
Fresnel Lenses - Fresnel Technologies, Inc.
The POSITIVE AND NEGATIVE PRINCIPLE OF FRESNEL LENS - FAQs | E-TAY INDUSTRIAL CO., LTD.