Abstract: Apparatus including: an optical waveguide bundle including a plurality of optical waveguides substantially aligned along a waveguide bundle axis, each optical waveguide having a longitudinal core configured to transmit light; a plurality of the optical waveguides each including a Bragg reflector, the Bragg reflectors configured to couple light incident from a direction substantially transverse to the waveguide bundle axis into the optical waveguides in a propagating mode in the longitudinal cores; and each of a plurality of longitudinal cores being in optical communication with an optical detector configured to detect light transmitted in the longitudinal cores.

Abstract: An optical fiber cable includes a first cable segment; a second cable segment; and a splice enclosure. The first cable segment can have a different configuration than the second cable segment. The splice enclosure is coupled to the strength member and strength component of the first cable segment and the second cable segment. One example splice enclosure includes a first enclosure body having a first threaded connection region and a second enclosure body having a second threaded connection region. Another example splice enclosure includes a tubular enclosure with two end caps. Cable retention members are positioned within the splice enclosure at fixed axial positions.