Photographic lenses ; method for measuring the spectral transmittance 照相机镜头.光谱透射比的测量方法
2.
This system is used for monitoring and controlling the thin - film depositing procedure by real time measuring the transmittance and / or reflectance in broad spectral range 通过在线测量膜层的光谱透射比或反射比对光学膜系进行监控。