Attenuator for integration into optical transmission systems and methods for fabrication and use thereof
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United States of America Patent
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May 10, 1994
Grant Date -
N/A
app pub date -
May 29, 1992
filing date -
Jun 8, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An optical attenuation device is described, for example for integration into optical transmission systems wherein the attenuation device is a fusion coupler (4) with an inlet (4a) and an outlet (4b), as well as at least one other inlet or outlet (4c, 4d), and the at least other inlet or outlet (4c, 4d) is closed off reflection-free (6).
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