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Optical amplifiers. Test methods - Noise figure parameters. Signal power to total ASE power ratio. Original standard BS EN 61290-3-3-2014 in PDF full version. Additional info + preview on request

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Optical amplifiers. Test methods - Gain transient parameters. Two-wavelength method. Original standard BS EN 61290-4-1-2016 in PDF full version. Additional info + preview on request

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Optical amplifiers. Test methods - Gain transient parameters. Broadband source method. Original standard BS EN 61290-4-2-2011 in PDF full version. Additional info + preview on request

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Optical amplifiers. Test methods - Reflectance parameters. Optical spectrum analyzer method. Original standard BS EN 61290-5-1-2006 in PDF full version. Additional info + preview on request

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Optical fibre amplifiers. Basic specification. Test methods for reflectance parameters - Electrical spectrum analyser method. Original standard BS EN 61290-5-2-2004 in PDF full version. Additional info + preview on request

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Optical fibre amplifiers. Basic specification. Test methods for reflectance parameters - Reflectance tolerance using an electrical spectrum analyser. Original standard BS EN 61290-5-3-2002 in PDF full version. Additional info + preview on request

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