| Standardization field | Electrical engineering | 
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| Technical committee | BAS/TC 30- Electric cables | 
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| Term (EN) | optical fibre coupler, (optical) coupler, branching device | 
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| Definition (EN) | A passive device whose purpose is to transfer optical power between two or more ports in a predetermined manner.
Note. 
The ports may be connected to waveguides, sources, detectors etc. | 
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| Term (FR) |  | 
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| Definition (FR) |  | 
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| Term (DE) |  | 
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| Definition (DE) |  | 
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| Term (BS) |  | 
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| Definition (BS) |  | 
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| Term (HR) |  | 
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| Definition (HR) |  | 
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| Term (SR) | sprežnik optičkih vlakana, (optički) sprežnik, uređaj za račvanje | 
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| Definition (SR) | Pasivni uređaj čija je svrha prenos optičke snage između dva ili više portova na predodređen način.
Napomena 
Portovi mogu biti spojeni na talasovode, izvore, detektore itd. | 
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| Date | 2017-08-10 | 
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| Standards | BAS IEC 60050-731:2017 | 
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