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lenses News
Adhesive Provides Optical Clarity
Nov 1, 1998 — Mindrum Precision Inc. machines its clear and colored filter multioptical lenses to tight 0.00001-in. tolerances and bonds these lenses together in flow cells that become integrated into lasers, computers, medical devices and other applications requiring exacting performance. The company's high quality standards meant that it had to scrap as much as 20 percent of its lens assemblies because of the formation of bubbles in the adhesive layer after curing. A high-clarity UV-curing adhesive from...
Laser Technique Polishes Glass Lenses
May 1, 1998 — Glass's high infrared absorption could prove a boon to a new laser technique that can polish both symmetric and asymmetric glass lenses faster than mechanical techniques. Ferran Laguarta and his associates at the Universitat Politècnica de...
Optics Give Hard Drives a New Lease on Life
Apr 1, 1998 — The Winchester-style disk drive, nearing the limits for magnetic storage, has been given a new lease on life, thanks to optics. Computer hard-drive maker Seagate Technology and its Quinta Corp. subsidiary have combined optical switching, fiber...
Coast Guard Brings New Life to Lighthouse
Mar 1, 1998 — The US Coast Guard has agreed to restore the original lens in a historic Florida lighthouse. The diamondlike lens is one of only eight clamshell-design Fresnel lenses still operating in the US. The Coast Guard had planned to replace the 1907 lens...
Optical Design:
Jan 1, 1998 — Optical Design software encompasses a large variety of applications, spanning lens design and illumination optics, laser cavity design, integrated optics design, physical image modeling, and polarization and scattering analysis. The demands of the...
Microlens Arrays Sharpen the Details
Dec 1, 1997 — As devices that employ photonics components shrink, optical engineers increasingly are turning to the smallest tools at their disposal, and when it comes to lenses, they face a bevy of choices. One recent trend is toward collections of tiny lenses...
Telecentric Lenses: Gauge the Difference
Jul 1, 1997 — For decades, engineers developing metrology instrumentation have used telecentric lenses in their products. Contour projectors and optical comparators, for example, owe much of their measurement capability to these unique lenses.Over the past decade...
Optical Software Undergoing Dramatic Change
Jan 1, 1997 — Lens design software once was characterized by large, expensive and user-unfriendly programs running on large, expensive and painfully slow mainframe computers. Lens design was almost exclusively the domain of dedicated professionals in classical...
Shattered Beamlet Lens Blamed on Timing Error
Dec 1, 1996 — LIVERMORE, Calif. -- A high-power experiment on Lawrence Livermore National Laboratory's Beamlet laser destroyed one of the setup's lenses and damaged another. No injuries were reported, but officials say that the September incident caused $70,000...
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May 2024
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