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Fresnel Lens

Fresnel Lens. An Optical Device. How it Works. A Fresnel lens is made up of multiple prisms. These prisms bend and magnify light rays, creating a single concentrated beam of light. Refer to the following website for more information. The Inventor.

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Fresnel Lens

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  1. Fresnel Lens An Optical Device

  2. How it Works • A Fresnel lens is made up of multiple prisms • These prisms bend and magnify light rays, creating a single concentrated beam of light Refer to the following website for more information

  3. The Inventor • Augustin Fresnel, a French physicist developed the unique lens designed to produce parallel beams of light • The Fresnel lens was commonly used in lighthouses around the world

  4. Lighthouses Notice the profile of the lens

  5. A Fresnel lens used in a • lighthouse • This lens takes on the appearance of a “beehive” and almost completely envelopes the light source • With a 1000 watt light bulb the concentrated beam produced from this lens can be seen in excess of 20 miles away

  6. Other Applications

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