激光功率能量的准确计量对激光技术的发展至关重要，不同类型的激光器其输出的测量方法也不同。回顾了激光功率能量测量的发展历史，为解决激光功率能量测量问题，介绍了各种实用的测试方法及测试仪器。重点介绍了现有激光功率能量计量标准中实现高精度激光功率能量计量而采取的方法以及各种测量方法的工作原理和适用范围，并提供了激光功率能量标准的校准方法，最后给出了激光功率和能量计量的发展趋势和发展方向。

The precision metrology for laser power and energy is exactly important to the development of laser technology, but different kinds of lasers have different methods for their output measurement. The history of laser output measurement is reviewed in the paper. Measurement methods and equipments for assessment of laser power and energy are introduced to solve the measurement problems of laser power and energy. The working principle and the scope of application of methods in available metrology standards for highprecision metrology of the laser power and energy are presented. Development trend for laser output metrology is given in the end.