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Optical Design & Engineering

Uniform AR coatings on ball lenses

Deposition Sciences Inc.

Deposition Sciences, Inc., manufacturer of highly durable thin film optical coatings, offer highly durable, evenly-coated antireflection ball lenses in diameters from 200 microns up to 10.0 mm. DSI's IsoSphere AR coated bell lenses are created using the company's proprietary IsoDyn low pressure chemical vapor deposition (LPCVD) process, which provides an ultra-uniform coating over the entire surface of the sphere.

Employing the company's proprietary IsoDyn low-pressure chemical vapor deposition (LPCVD) process, the IsoSphere AR-coated ball lenses come with an ultra-uniform coating over the entire surface of the sphere. Providing dual and broad band AR coatings (e.g. 1,310/1,550 dual band), the dual band coatings allow one lens to operate on either wavelength. Allegedly, because there is no need for orientation of the lens in a device since the coating is uniform over all, the ball lenses reduce device assembly costs. A wide choice of lens materials with indices from 1.44 to 2.15 at 1,550 nm are available.

Additionally, the components are bondable by a wide variety of methods making them suitable for use in new or existing optical designs including coupling and collimating applications and fiber-to-fiber, diode-to-fiber, and fiber-to-detector coupling where access to the beam is necessary.