Collimator, collimator array and method of producing those...

Details Collimator, collimator array and method of producing those... Collimator, collimator array and method of producing those...

G - Physics

02

B

G02B 27/30 (2006.01) G02B 3/00 (2006.01)

Patent

CA 2358219

A method of producing a collimator or collimator array is constituted by the steps of: fixing long-size gradient index rod lens raw materials on a substrate having end surfaces each forming a plane so that the long-size gradient index rod lens raw materials are arranged side by side at intervals of the predetermined pitch while optical axes of the gradient index rod lens raw materials are parallel to one of the end surfaces of the substrate; cutting the substrate provided with the gradient index rod lens raw materials at a predetermined position in a plane perpendicular to the optical axes of the gradient index rod lens raw materials to thereby divide the substrate provided with the gradient index rod lens raw materials into lens array parts; adjusting the divided lens array parts so that each of the gradient index rod lens raw materials in the lens array parts has a defined lens length; and arranging the lens array parts so that the cut end surfaces of the lens array parts are made to face each other while optical axes of the lens parts facing each other correspondingly are made coincident with each other. -19-

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