--- title: Articles & News --- [Skip to main content](https://www.fresneltech.com/articles#main-content) [(817) 926-7474](tel:+1-817-926-7474)[  |  ](mailto:info@fresneltech.com)[info@fresneltech.com](mailto:info@fresneltech.com) [![FTI_40-Years-2](https://www.fresneltech.com/hs-fs/hubfs/FTI_40-Years-2.png?width=500&height=111&name=FTI_40-Years-2.png) ![FTI_40-years_scroll](https://www.fresneltech.com/hs-fs/hubfs/FTI_40-years_scroll.png?width=500&height=111&name=FTI_40-years_scroll.png) ![fresneltech-logo](https://www.fresneltech.com/hs-fs/hubfs/Template%20Images/fresneltech-logo.png?width=350&height=73&name=fresneltech-logo.png) ![fresneltech-logo](https://www.fresneltech.com/hs-fs/hubfs/Template%20Images/fresneltech-logo.png?width=350&height=73&name=fresneltech-logo.png) ](https://www.fresneltech.com) - Show submenu for Products Products - [Products ](https://www.fresneltech.com/products) - [Fresnel Lenses](https://www.fresneltech.com/fresnel-lenses) - [Polymer Aspheres ](https://www.fresneltech.com/polymer-aspheres) - [PIR Arrays](https://www.fresneltech.com/pir-arrays) - [Freeform Optics](https://www.fresneltech.com/freeform) - [Silicone Optics](https://www.fresneltech.com/silicone-optics) - [Diffusers](https://www.fresneltech.com/diffusers) - Show submenu for Capabilities Capabilities - [Capabilities ](https://www.fresneltech.com/capabilities) - [Diamond Machining](https://www.fresneltech.com/diamond-machining) - [Optical Tooling & Molding](https://www.fresneltech.com/optical-tooling-molding) - [Metrology](https://www.fresneltech.com/metrology) - [Motion Detection](https://www.fresneltech.com/motion-detection) - Show submenu for Resources Resources - [Resources ](https://www.fresneltech.com/resources) - [Materials](https://www.fresneltech.com/materials) - [Rulers](https://www.fresneltech.com/ruler) - [FAQs](https://www.fresneltech.com/faqs) - [Articles](https://www.fresneltech.com/articles) - Show submenu for About Us About Us - [About Us ](https://www.fresneltech.com/about-fresnel-technologies-inc) - [Careers](https://www.fresneltech.com/careers-at-fresnel) - [FAQs](https://www.fresneltech.com/faqs) Open main navigation Close main navigation - Show submenu for Products Products - Products - [Products ](https://www.fresneltech.com/products) - [Fresnel Lenses](https://www.fresneltech.com/fresnel-lenses) - [Polymer Aspheres ](https://www.fresneltech.com/polymer-aspheres) - [PIR Arrays](https://www.fresneltech.com/pir-arrays) - [Freeform Optics](https://www.fresneltech.com/freeform) - [Silicone Optics](https://www.fresneltech.com/silicone-optics) - [Diffusers](https://www.fresneltech.com/diffusers) - Show submenu for Capabilities Capabilities - Capabilities - [Capabilities ](https://www.fresneltech.com/capabilities) - [Diamond Machining](https://www.fresneltech.com/diamond-machining) - [Optical Tooling & Molding](https://www.fresneltech.com/optical-tooling-molding) - [Metrology](https://www.fresneltech.com/metrology) - [Motion Detection](https://www.fresneltech.com/motion-detection) - Show submenu for Resources Resources - Resources - [Resources ](https://www.fresneltech.com/resources) - [Materials](https://www.fresneltech.com/materials) - [Rulers](https://www.fresneltech.com/ruler) - [FAQs](https://www.fresneltech.com/faqs) - [Articles](https://www.fresneltech.com/articles) - Show submenu for About Us About Us - About Us - [About Us ](https://www.fresneltech.com/about-fresnel-technologies-inc) - [Careers](https://www.fresneltech.com/careers-at-fresnel) - [FAQs](https://www.fresneltech.com/faqs) - [Contact Us](https://www.fresneltech.com/contact-us) [Contact Us](https://www.fresneltech.com/contact-us) # Articles & News [November 25, 2024 ![](https://www.fresneltech.com/hubfs/SPIE%20Presents.png) ###### FTI Presents at SPIE: Distinguishing Characteristics of Diffractive Optical Elements and Fresnel Lenses An experiment to explore and explain the difference between often-confused Fresnel lenses and Diffractive Optical Elements (DOEs) ](https://www.fresneltech.com/articles/fti-presents-at-spie-distinguishing-characteristics-of-diffractive-optical-elements-and-fresnel-lenses) [October 25, 2024 ![](https://www.fresneltech.com/hubfs/SPIE%20Presents%20%282%29.png) ###### FTI Presents at SPIE: Metrology of Polymer Optics The paper titled "Metrology of injection molded polymer optics for a Commercial VR system" discusses the design and evaluation of optical components for VR headsets. It focuses on the use of injection-molded Fresnel lenses, which are lightweight and cost-effective, helping to achieve critical ... ](https://www.fresneltech.com/articles/fti-presents-at-spie-metrology-of-polymer-optics) [October 04, 2024 ![](https://www.fresneltech.com/hubfs/SPIE%20Presents.png) ###### FTI Presents at SPIE: Polymer Optics for Thermal Imaging Applications Tags: IR optics, polymer optics, plastic optics, infrared optics, security Low-cost polymer infrared imaging lens FTI was honored to present their paper, “Low-cost polymer infrared imaging lens” at SPIE proceedings, available in the SPIE Digital Library. FTI was an early pioneer in the development ... ](https://www.fresneltech.com/articles/fti-presents-at-spie-polymer-optics-for-thermal-imaging-applications) [December 06, 2023 ![](https://www.fresneltech.com/hubfs/Blog-Infrared%20Imaging-Polymer%20Optics_NEW.png) ###### Reducing Costs and Improving Yields in Infrared Optics Polymer Optics vs. Chalcogenide Optics in IR Applications As infrared optics continue to find their way into ever more sophisticated optical systems, optical design approaches must keep pace to meet cost requirements, workforce shortages, supply chain constraints, and demanding performance targets. ... ](https://www.fresneltech.com/articles/reducing-costs-improving-yields-in-infrared-optics) [November 28, 2023 ![](https://www.fresneltech.com/hubfs/Oscar%20Lechuga-ASPE%20fellow.png) ###### Oscar Lechuga Named Fellow of the American Society of Precision Engineering Fresnel Technologies Inc. is pleased to announce that Oscar Lechuga, a longtime member of our technical staff, has been appointed to the ASPE College of Fellows in recognition of his contributions to diamond machining and precision molding of polymer optics. ](https://www.fresneltech.com/articles/oscar-lechuga-named-fellow-of-the-american-society-of-precision-engineering) **Sprocket Rocket** — The easiest and fastest way to build on HubSpot [Subscribe](https://www.fresneltech.com/articles#) #### Fresnel Technologies Fresnel Technologies, Inc. specializes in the design and manufacturing of molded plastic Fresnel lenses, molded polymer optics in general, and infrared-transmitting optical materials. 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