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| Titel: |
Passive T-bus with asymmetrical 4-port couplers |
| Auteur: |
Witte, H. -H. |
| Verschenen in: |
Fiber & integrated optics |
| Paginering: | Jaargang 3 (1980) nr. 2-3 pagina's 253-261 |
| Jaar: |
1980 |
| Inhoud: |
A newly designed 4-port coupler in planar technology is described. The axes of the coupling fibers are mutually offset as before, but the input fiber is thinner than the other three, and its diameter is matched to the emitting surface area of the light source serving as a transmitter. Low insertion loss and high coupling efficiency are realized through the choice of favorable dimensions. Graphs show the output coupling efficiency, input coupling loss, and insertion loss with step-index fibers as a function of the axial offset. The maximum number of terminals that can be connected to the T-bus is calculated for various conditions. The number of terminals is found to be about 40% higher than is possible with the coupler with four identical fibers. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 9 van 10 gevonden artikelen
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