第一台测量光学纤维中传输的绝对功率的仪器已由休利特-帕卡德公司研制成功,这种装置,称为HP84801A热敏电阻传感器,当它与HP432系列中任意一种功率计合用时,可以在600～1200毫微米波长范围上测量1～10000微瓦的光功率,测量绝对精度在 The first instrument to measure the absolute power transmitted in an optical fiber was developed by Hewlett-Packard, a device called the HP84801A thermistor sensor that, when combined with any of the HP432 power meters Use, you can measure the wavelength range of 600 ~ 1200 nm 1 ~ 10000 microwatts of optical power, the absolute accuracy of measurement at