Abstract: The dispersion effects in an optical fiber transmission line are equalized by producing a predetermined delay characteristic for each wavelength of an optical beam having a finite bandwidth which is the inverse of a given delay characteristic for each optical wavelength propagated through the transmission line. This is accomplished by launching shorter wavelength components of the optical beam at low angles with respect to the axis of the transmission line into the transmission line and launching longer wavelength components at high angles with respect to the axis of the transmission line into the transmission line. Two arrangements are disclosed to accomplish the above-mentioned launching technique. One arrangement includes a time of flight dependent annularly ruled transmission grating and the other arrangement includes passing a time of flight dependent moving acoustic wave through the optical beam.

Abstract: Optical fiber ends are precisely aligned and coupled together in the interstice between a plurality of like contacting cylindrical rods. The rods are mounted along and around the fibers within an adjustable connector assembly. Means are provided for expanding the interstice to inset the fiber ends and for clamping the rods in position around the fibers. A plurality of connectors may be used to align a number of optical fibers enclosed in a common cable or bundle.