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written by Carl Rod Nave
This webpage, from HyperPhysics at Georgia State University, contains an introduction to the Fresnel lens, a design that vastly reduces the amount of glass required for large lenses.  The lens is described and diagrams are provided to illustrate how these lenses work.  Links to more information are also provided for key terms and other related light and vision topics.
Subjects Levels Resource Types
- Geometrical Optics
- Informal Education
- High School
- Lower Undergraduate
- Upper Undergraduate
- Instructional Material
= Tutorial
- Reference Material
= Nonfiction Reference
- Audio/Visual
= Image/Image Set
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Additional Information
photo credit: David Eppstein; image source This resource was a Physics To Go feature from March 16, 2007 until April 1, 2007. View the feature here!

Access Rights: Free access
Restriction: © 2006 Carl R. (Rod) Nave
Additional information is available.
Keywords: curvature, double convex, focal length, fresnel, lens, lighthouse, refract, refraction
Record Creator: Metadata instance created March 12, 2007 by Ann Deml
Record Updated: Oct 12, 2008 by Lyle Barbato
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
C. Nave, (2006), WWW Document, (
C. Nave, Fresnel Lens (2006), <>.
APA Format
Nave, C. (2006). Fresnel Lens. Retrieved November 28, 2023, from
Chicago Format
Nave, Carl Rod. Fresnel Lens. 2006. (accessed 28 November 2023).
MLA Format
Nave, Carl Rod. Fresnel Lens. 2006. 28 Nov. 2023 <>.
BibTeX Export Format
@misc{ Author = "Carl Rod Nave", Title = {Fresnel Lens}, Volume = {2023}, Number = {28 November 2023}, Year = {2006} }
Refer Export Format

%A Carl Rod Nave %T Fresnel Lens %D 2006 %U %O text/html

EndNote Export Format

%0 Electronic Source %A Nave, Carl Rod %D 2006 %T Fresnel Lens %V 2023 %N 28 November 2023 %9 text/html %U

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