我们使用D型gonio光谱辐射计为200 nm至400 nm紫外发光二极管（UV LED）开发了一种新的校准能力。最近引入的平均差分连续脉冲（M-DCP）方法用于克服与UV LED的初始正向电压VF异常相关的测量困难，这使得在脉冲操作期间无法使用VF推断结温度TJ。通过比较测量的白光LED总光通量与使用NISTs 2.5m绝对积分球测量的总光通量，间接验证了新的测量设备。总辐射通量的扩展校准不确定度约为2%至3%（k=2），具体取决于UV LED的波长。

We have developed a new calibration capability for 200 nm to 400 nm ultraviolet light-emitting diodes (UV LEDs) using a Type D gonio-spectroradiometer. The recently-introduced mean differential continuous pulse (M-DCP) method is used to overcome the measurement difficulty associated with the initial forward voltage, VF, anomaly of a UV LED, which makes it impossible to use VF to infer junction temperature, TJ, during pulsed operation. The new measurement facility was validated indirectly by comparing the measured total luminous flux of a white LED with that measured using the NISTs 2.5 m absolute integrating sphere. The expanded calibration uncertainty for the total radiant flux is approximately 2 % to 3 % (k = 2) depending the wavelength of the UV LED.