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KEYSIGHT 81623B Ge Optical Head, 5mm Diameter
This optical power head has a 5 mm diameter Ge detector for general purpose power measurements over the wide wavelength range of 750-1800nm. A special version with Si detector for 450-1020 nm can be offered on request.
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KEYSIGHT 81624B InGaAs Optical Head, 5mm Diameter
This power head with cooled 5mm InGaAs detector provides highest accuracy performance from 800-1700nm.
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KEYSIGHT 81626B High Power InGaAs Optical Head, 27dBm
A built-in calibrated filter allows this head with InGaAs detector to measure power up to +27 dBm.
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KEYSIGHT 81628B High Power InGaAs Optical Head, 38dBm
A built-in calibrated integrating sphere and detachable heatsink allows this head with InGaAs detector to measure power up to +40dBm.
