References in periodicals archive ?
The concentric graduation that characterize Fresnel lenses can be particularly difficult to replicate.
Recently the company has also developed in-house capabilities to produce Fresnel lenses in register with rotogravure printing.
Fresnel lenses can be made out of plastic or glass.
The Ultra compact Boy XS is capable of producing Fresnel lenses made of liquid silicone rubber.
But the Coast Guard also has a preservation- minded piece of its mission, at least with regard to the sensitive Fresnel lenses, said Arlyn Danielson, the Coast Guard's curator.
can supply 40% more energy than conventional fixed PV panels through the use of high-efficiency solar cells, concentrator Fresnel lenses, and smart controller and tracker technology.
They have six-stage clamp-pressure control, said to be useful for molding acrylic Fresnel lenses with injection-compression.
Amonix will use the funds to manufacture low-cost solar electricity systems using Fresnel lenses that concentrate sunlight.
Contract award notice: Tender for the supply and delivery of LED light engines without barrels, LED Barrel Fresnel Lenses and LED Barrel Profile Lenses for the said light engines for TEATRU MANOEL.
Their century-old Fresnel lenses are expensive to maintain and the buildings that house the Oregon beacons face some of the fiercest weather the West Coast has to offer.