| Standardization field | Electrical engineering | 
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| Technical committee | BAS/TC 30- Electric cables | 
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| Term (EN) | effective mode volume | 
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| Definition (EN) | The square of the product of the diameter of the near-field pattern, at the full width half maximum and the sine of the radiation angle of the far-field pattern at half maximum intensity.
Note. 
Effective mode volume is proportional to the breadth of the relative distribution of power expressed as a number of modes in a multimode fibre. | 
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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) | volumen efektivnog moda | 
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| Definition (SR) | Kvadrat proizvoda dijametra kod dijagrama bliskog polja, u punoj širini pola visine maksimuma i sinusa ugla zračenja kod dijagrama dalekog polja na pola maksimalnog intenziteta. 
Napomena 
Volumen efektivnog moda je proporcionalan širini relativne raspodjele snage izražen kao broj modova u multimodnom vlaknu. | 
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| Date | 2017-08-09 | 
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| Standards | BAS IEC 60050-731:2017 | 
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