Photodiode detection laser power sampling method and system

• Main Authors: QIN YUYI, DAI YIXIANG, HUANG JIANWEI, JI ENCAI, HUANG ZUYONG, SU WEI, LI RUNDONG, WANG QIYOU
• Format: Patent
• Language: Chinese; English
• Published: 15.03.2024
• Subjects: COLORIMETRY; MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT; MEASURING; PHYSICS; RADIATION PYROMETRY; TESTING

The invention relates to the field of laser power sampling, in particular to a photodiode detection laser power sampling method and system. When the laser starts laser emission, periodic sampling is started based on the photodiode sampling circuit, and a voltage value is obtained; characterization data are calculated according to the voltage value, the characterization data comprise characterization of PWM mode laser pulse energy, characterization of PWM mode laser pulse peak power and characterization of CW mode laser pulse peak power, the sampling method is suitable for an integrated module, and therefore the problem that photodiode power sampling is difficult to achieve through the integrated module is solved. 本发明涉及激光功率采样领域，具体而言，涉及一种光电二极管探测激光功率采样方法及系统。当激光器开始激光发射时，基于光电二极管采样电路开始周期采样，获取电压值；根据上述电压值计算表征数据，上述表征数据包括表征PWM模式激光脉冲能量、表征PWM模式激光脉冲峰值功率和表征CW模式激光脉冲峰值功率，上述采样方法适用于集成模块，从而解决难以通过集成模块实现光电二极管功率采样的问题。