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The Agilent 81542MM 1310 nm LED Source Module, for use with 8153A Lightwave Multimeter. Source Module Specifications (All specifications are valid for an attenuation setting of 0.0 dB). Type: LED. Central Wavelength (Central wavelength is shown on the display): 1300 ±40 nm. Fiber Type: MM 50/125 um. Spectral Bandwidth (FWHM = Full Width Half Maximum; rms = root mean square): <90 nm FWHM. Output Power: >-20 dBm. CW Stability Short-term (15 min. T =Constant): ±0.002 dB. CW Stability Long-term (6 hours. T =Constant): ±0.01 dB. Internal Digital Modulation Mode 270 Hz, 1 kHz, 2 kHz, selectable. All output signals are pulse-shaped. Duty cycle 50%. Output Attenuation: The output power of the source module can be attenuated from 0 to 6 dB.
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