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High frequency surgical equipment and high frequency surgical accessories. Operation and maintenance. Original standard PD IEC TR 61289-2019 in PDF full version. Additional info + preview on request

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Optical amplifiers - Parameters of optical fibre amplifier components. Original standard PD IEC TR 61292-1-2022 in PDF full version. Additional info + preview on request

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Optical amplifiers - Optical fibre amplifiers for space division multiplexing transmission. Original standard PD IEC TR 61292-12-2022 in PDF full version. Additional info + preview on request

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Optical amplifier technical reports - Theoretical background for noise figure evaluation using the electrical spectrum analyzer. Original standard PD IEC TR 61292-2-2003 in PDF full version. Additional info + preview on request

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Optical amplifiers - Classification, characteristics and applications. Original standard PD IEC TR 61292-3-2020 in PDF full version. Additional info + preview on request

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Optical amplifiers - Maximum permissible optical power for the damage-free and safe use of optical amplifiers, including Raman amplifiers. Original standard PD IEC TR 61292-4-2023 in PDF full version. Additional info + preview on request

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