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IEC 61977 Ed. 4.0 b:2020 PDF

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Fibre optic interconnecting devices and passive components – Fibre optic fixed filters – Generic specification
standard by International Electrotechnical Commission, 04/09/2020

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Description

IEC 61977:2020 applies to the family of fibre optic filters. These components have all of the following general features:
– they are passive for the reason that they contain no optoelectronic or other transducing elements which can process the optical signal launched into the input port;
– they modify the spectral intensity distribution in order to select some wavelengths and inhibit others;
– they are fixed, i.e. the modification of the spectral intensity distribution is fixed and cannot be tuned;
– they have input and output ports or a common port (having both functions of input and output) for the transmission of optical power;
– the ports are optical fibre or optical fibre connectors;
– they differ according to their characteristics.
They can be divided into the following categories:
– short-wave pass (only wavelengths lower than or equal to a specified value are passed);
– long-wave pass (only wavelengths greater than or equal to a specified value are passed);
– band-pass (only an optical window is allowed);
– notch (only an optical window is inhibited).
It is also possible to have a combination of the above categories. This standard establishes uniform requirements for the following: optical, mechanical and environmental properties. This third edition cancels and replaces the second edition published in 2010. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
– harmonization of a number of terms and definitions with other generic specifications;
– deletion of the quality assessment level clause.
Keywords: fibre optic filters generic specification

Product Details

Edition:
4.0
Published:
04/09/2020
Number of Pages:
52
File Size:
1 file , 2 MB