Abstract

We present a new component for optical connector applications, a single piece of photochemically machinable glass (Corning Fotoform) that is etched to produce thin pillars (~55-μm diameter, 700 μm long) extending from both sides of a thin (170-μm-thick) supporting plane. Thus a two-dimensional optical fiber array is formed without any assembly. We measure a −2.5-dB insertion loss and less than −30-dB cross talk using a laser (approximately 3° focusing angle) and a −7.8-dB insertion loss and −18-dB cross talk using a collimated lamp (approximately 30° focusing angle). On tilting the array the outgoing beam is deflected, which indicates strong guiding.

© 1992 Optical Society of America

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