GlobalSpec has asked its users about the latest design trends and features related to Fresnel Lenses. They have also shared their product applications and tips on how to buy and use these products.
See the entire survey


Q:
What new technologies are influencing fresnel lens design?
13 answers
Answers:
Concentrated solar, Hydrogen compressors, rebirth of the Stirling.
~Albert Amorino A, Hydrogen Homes USA, Oceanport, NJ
Single point diamond turning manufacturing tools.
~Nils R, Manufacturer, Southampton, UK
Laser beam writing, injection molding, nanotechnology
~Research & Development, Schlieren, Switzerland
Solar thermal, low voltage LEDd lighting.
~Virgil P, Primary Inventor and CEO, Singapore
LED lighting applications
~Arne M, Sales Engineer, Stockholm, Sweden
I have studied the fresnel lens for 2 years, full time. I have built many prototypes and discovered many trade secrets concerning the lens. I am presently working on 5DH heat systems using the fresnel lens. The 5DH fresnel heat system will exhibit all the secrets combined in a free standing solar heater. Please review http:www.renewableenergy-workingart.com
~Ricky B, Renewable Energy Inventor Entrepreneur, Piedmont, SC
Concentrated photovoltaics
~Technical Support/Services, Cbe, India
Solar energy concentration
~Socrates Pavis, Engineering Consultant, Athens, Greece
Improving roll pressing
~Engineering, Design, Jerusalem, Israel
Large screen displays
~Tony Clynick, Engineering Consultant, London, UK
Weight of product
~Engineering, Other, San Luis Obispo, CA
LEDs
~Engineering, Design, Donostia, Spain
LEDs
~Engineering, Design, Deep River, CT

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Q:
From your perspective, which companies are creating the most innovative fresnel lenses?
11 answers
Answers:
Hexagon OY, Evonik Roehm GmbH
~Research & Development, Schlieren, Switzerland
Alenia Optics (in their field)
~Nils R, Manufacturer, Southampton, UK
Micro sharp is doing interesting things (innovative?)
~Engineering, Design, Jerusalem, Israel
The ones who understand the needs of the market and the technology.
~Engineering, Design, Donostia, Spain
Good quality television manufacturers, GE
~Albert Amorino A, Hydrogen Homes USA, Oceanport, NJ
A number of very innovative Chinese firms.
~Virgil P, Primary Inventor and CEO, Singapore
I am mainly working with the 10 inch by 7 inch lens. The focal point is approx. 12 inches. This makes it easier to build prototypes. I purchase by price, usually out of country. Since people realized they could start camp fires with the fresnel lens, the price has jumped from $1.00 to $4.00 per lens.
~Ricky B, Renewable Energy Inventor Entrepreneur, Piedmont, SC
Frensel optics
~Arne M, Sales Engineer, Stockholm, Sweden
DNP, Denmark.
~Tony Clynick, Engineering Consultant, London, UK
3m
~Technical Support/Services, Cbe, India
As an artist, I have no idea who the innovators are in this industry. This is why I follow Global Spec for developments in engineering technology in general.
~Red W, Artist, Potter Valley, CA

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