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Optoelectronics/Displays??

Antireflection-coated ball lenses come in larger sizes

Posted: 26 Sep 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Deposition Sciences? DSI? IsoSphere? ball lenses? antireflection?

IsoSphere antireflection-coated ball lenses from Deposition Sciences

Deposition Sciences Inc. (DSI) announced it is offering the IsoSphere antireflection (AR) coated ball lenses in a variety of glass indexes and in new, larger sizes. Promising very low insertion loss, DSI said the IsoSphere ball lenses with AR coating have transmission values greater than 99.5 percent in indexes of up to nd 2 at 550nm. These highly durable, scratch-resistant ball lenses have diameters measuring from 200?m to 10mm.

Suitable for telecommunications and expanded beam connector applications, DSI said these affordable ball lens are a mechanically-compact optical method for collimating the output of an optical fiber or laser diode. Versatile and practical, the IsoSphere AR coated ball lenses can be used in fiber-to-fiber, diode-to-fiber, and/or fiber-to-detector coupling tasks, said the company.

DSI's proprietary IsoDynd low pressure chemical vapor deposition (LPCVD) technology permits a high-performance, uniform optical AR coating over the entire surface of the ball lens. This coating eliminates the need for orientation of the lens in the customer's device, according to the company, thus reducing labor-intensive assembly costs.

IsoSphere AR-coated ball lenses are highly stable over temperature and humidity, meeting the severe abrasion, adhesion, humidity and salt fog tests of Mil-C-675 standards. Resistant to most chemicals, these ball lenses are also durably suited for aircraft, oil field exploration and refining, marine, undersea and aerospace applications.




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