We offer optical-quality acrylic, polycarbonate, cyclic olefin copolymers (COC), and other specialized materials for the visible light spectrum. These materials transmit somewhat in the near infrared and ultraviolet as well. POLY IR® is our registered trademark for our line of infrared-transmitting polymers. Fresnel Technologies, Inc. produces infrared transmitting Fresnel lenses in seven materials, each with unique transmittance capabilities for a wide variety of applications. This graph can be useful in determining which materials are appropriate in the wavelength range of interest for your application.
Learn more about our optical-quality materials:
PIR Applications |
Other Applications |
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POLY IR® 2 |
POLY IR® 3 |
POLY IR® 4 |
POLY IR® 5 |
POLY IR® 9 Pigmented version of POLY IR® 2, that reduces false alarms due to "white light". |
POLY IR® 6 Visible light filtering, infrared transmitting polymer. |
Fresnel Technologies, Inc. specializes in the design and manufacturing of molded plastic Fresnel lenses, molded polymer optics in general, and infrared-transmitting optical materials. We offer design assistance, diamond machining, prototyping, tooling, and production. Stock or custom, we’re your optics partner.
101 W. Morningside Drive
Fort Worth, TX 76110
Phone: (817) 926-7474
info@fresneltech.com