BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a partial sectional view of an optical fiber cable according to an embodiment of the present invention;
FIG. 2 (A), FIG. 2 (B), FIG. 2 (C), FIG. 2 (D), FIG. 2 (E), FIG. 2 (F) and FIG. 2 (G) each represents a view of working process to show treatment on an end portion of the optical fiber cable;
FIG. 3 (A), FIG. 3 (B), FIG. 3 (C) and FIG. 3 (D) each represents a view of working process to show an example of welding operation of an optical fiber and a collimator lens, which is one of the treatment on an end portion of the optical fiber cable;
FIG. 4 is a drawing to explain a solid-state laser device for emitting a laser beam and an optical fiber cable according to the present invention;
FIG. 5 is a partial sectional view of a conventional type optical fiber cable;
FIG. 6 is a drawing to show a general structure of a cable main unit; and
FIG. 7 is a schematical diagram to show a relation between an optical fiber and advancing of a light.