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US4687284A Bright fiber-free biconically tapered couplers 失效
光纤无光纤双锥形耦合器

Bright fiber-free biconically tapered couplers
摘要:
A biconically tapered passive star optical coupler has mutually exclusive input and output optical fibers, so that optical power injected into any one of the input fibers is relatively uniformally distributed to all of the output fibers.
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