Biometric recognition, or simply biometrics, is the science of establishing the identity of a person based on physical or behavioral attributes. It is a rapidly evolving field with applications ranging from securely accessing one’s computer to gaini

激光的应用领域越来越广，激光的安全性正是目前众所关心的研究课题。本文从激光辐照的辐射测量学入手，简要叙述激光损伤的生物机理，及安全标准的应用，以确保激光设备的安全运转。