Deposition Sciences Inc. (DSI) has released its IsoSphere antireflection-coated ball lenses in a variety of glass indexes and in new, larger sizes. The transmission values are greater than 99.5 percent in indexes of up to n_d 2.0 at 550 nm. Sizes range from 200 μm to 10 mm in diameter. Proprietary IsoDyn low-pressure chemical vapor deposition technology results in a uniform optical antireflection coating over the lens surface and eliminates the need for orientation of the lens in the user’s device. The lenses meet the abrasion, adhesion, humidity and salt fog tests of Mil-C-675 standards and are resistant to most chemicals.

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