| Standardization field | Electrical engineering | 
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| Technical committee | BAS/TC 30- Electric cables | 
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| Term (EN) | coupling efficiency | 
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| Definition (EN) | The ratio of optical power on the receive side of the coupling to the optical power on the transmit side of the coupling. | 
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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) | efikasnost sprezanja | 
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| Definition (SR) | Odnos optičke snage na prijemnoj i na predajnoj strani sprežnika. | 
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| Date | 2017-08-10 | 
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| Standards | BAS IEC 60050-731:2017 | 
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