Aside from the significant technical advantages of optical fibers and the possibility of achieving operating economies in systems using them, it is apparent that for many applications the cost of the fiber may be a deciding factor. This is particularly true for the telecommunications fibers in which future applications, such as broadband subscriber loops, will require fibers costing only a few pennies per meter1 yet produced in large volume with high quality. It is believed that one of the major controllable elements influencing the cost of optical fibers is the rate of the fabrication processes involved, and it is expected that, as the rates improve, the cost will be significantly reduced.2

© 1979 Optical Society of America

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