Optical fiber collimator and optical fiber collimator array

Details Optical fiber collimator and optical fiber collimator array Optical fiber collimator and optical fiber collimator array

G - Physics

02

B

G02B 27/30 (2006.01) G02B 1/11 (2006.01) G02B 6/32 (2006.01) G02B 6/36 (2006.01)

Patent

CA 2408730

An optical fiber collimator which facilitates optical adjustment. The optical fiber collimator includes a gradient index rod lens, and an optical fiber optically connected to the rod lens. An anti-reflection film is formed on one end face of the rod lens. The anti- reflection film has a refractive index which continuously changes from a value substantially equal to that of a center refractive index of the rod lens to a value substantially equal to that of the refractive index of the optical fiber along a film thickness direction of the anti- reflection film. A refractive index matching medium having a refractive index substantially equal to that of the optical fiber bonds the anti-reflection film to the end face of the optical fiber.

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