| 摘要 |
<p>Provided is a pitch-changeable optical fiber array, which prevents the positional precision of optical fiber end portions from being degraded by a stress to be applied to the optical fibers and which arrays the individual optical fibers easily by converting the optical fiber end portions into the array pitch of optical elements. The optical fiber array is constituted to include an m-number (m: a natural number not including 0) of optical fibers arrayed at a constant pitch (P1), a grooved substrate having an m-number of or more grooves formed in its face at in parallel and at a pitch (P2) narrower than the pitch (P1), and a cover. The pitch (P1) is gradually narrowed toward the end portions of the optical fibers, and these optical fibers are arrayed at their end portions in one row and at the pitch (P2) narrower than the pitch (P1). The end potions of the optical fibers are arrayed in the individual grooves of the grooved substrate and clamped by the grooved substrate and the cover. Moreover, a recess for housing the end portions of the optical fibers altogether is formed in that face of the cover which confronts the grooved substrate, and its two ends are formed to expand gradually toward the grooved substrate.</p> |
