US Patent 7346236 Collimator lens, fiber collimator and optical parts
Patent 7346236 was granted and assigned to Fujikura on March, 2008 by the United States Patent and Trademark Office.
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A collimator lens having a low reflectivity and significantly improved durability against high-power light is provided so that optical parts using the collimator lens can be reduced in size and cost lowered. A plurality of optical fibers can be connected to the collimator lens to produce a variety of fiber collimators and optical parts based on the fiber collimator. The collimator lens is made essentially of quarts glass whose refractive index is graded radially so as to increase towards the optical axis and decrease gradually towards the outer periphery. The collimator lens and optical fibers are connected directly by fusion.
US Patent 07346236 Collimator lens, fiber collimator and optical parts US Patent 7346236 Collimator lens, fiber collimator and optical parts
US Patent 07346236 Collimator lens, fiber collimator and optical parts
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