Antireflection (AR) coated ball lenses from Deposition Sciences, Inc. (Santa Rosa, CA) are available in a variety of glass indexes and sizes from 200 microns up to 10.0 mm diameter. They feature transmission values of greater than 99.5 percent in indexes of up to nd 2.0 @ 550 nm. The AR-coated ball lenses are stable over temperature and humidity changes, and are resistant to most chemicals. Meeting or surpassing the rigid Mil-C675 testing standards for severe abrasion, adhesion, humidity and salt fog tests, the ball lenses can be used in fiber to fiber, diode to fiber, and/or fiber to detector coupling tasks.
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