Patent ID: 6668114
Filing Date: 2003-12-23
Classification: G02B

Abstract:
An automatic device for assembling a fiber collimator, the fiber collimator including a tubular holder, an optical fiber disposed at an end of the tubular holder, and a GRIN lens disposed at the other end of the tubular holder, the automatic device including:a screen; a laser light source emitting a laser light to the GRIN lens to obtain a first elliptic pattern and a second elliptic pattern on the screen, the first elliptic pattern having a first major axis and the second elliptic pattern having a second major axis; a driving table rotating the optical fiber so that the first major axis of the first elliptic pattern is parallel to the second major axis of the second elliptic pattern; an image pick-up device receiving images of the first and second elliptic patterns; and a processor processing the images to judge whether the first major axis is parallel to the second major axis, and then controlling the driving table to rotate the optical fiber until the first major axis is parallel to the second major axis.