| 摘要 |
PROBLEM TO BE SOLVED: To provide a small composite optical fiber coupler for which a plurality of optical fiber couplers consisting of welded and drawn parts are integrated on a common substrate and stored in the same composite package. SOLUTION: A plurality of welded and drawn parts 120, 340 having plural optical fibers 1, 2, 3, 4 and comprising optical couplers are integrally formed adjacently to each other on a common substrate 7 and stored in the same composite package 80 in this small composite optical fiber coupler. |
