High-power fused collimator and associated methods

Details High-power fused collimator and associated methods High-power fused collimator and associated methods

2006-12-05

2006-12-05

Sanghavi, Hemang (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S034000, C385S043000, C219S121630

Reexamination Certificate

active

07146075

ABSTRACT:
A method for making a high-power fused collimator, and a fused collimator made thereby, are provided. A fused collimator is provided that includes an end of a stripped end portion of an optical fiber fused to a proximal face of a silica lens. In an embodiment, a toroidal element is positioned in surrounding relation to the fiber's stripped end portion, and a joint formed by the fiber end and the toroidal element proximal face is substantially surrounded with a solder glass in a melted form. A cross-sectional area of the solder glass decreases proximally from a distal edge adjacent the lens to a proximal edge located along the fiber's stripped end portion. Then the solder glass is permitted to harden, forming a fused collimator.

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