OSRAM Opto Semiconductors is a world leading manufacturer of optoelectronic semiconductors for the lighting, sensor, and visualization sectors. 欧司朗光电半导体公司是世界领先的照明，传感器，光电半导体和可视化领域制造商。
In electronic detectors such as photomultipliers and television tubes, noise manifests itself as random fluctuations in the output current. 对于光电倍增管，电视摄像管之类的电子探测器，噪声则表现为输出电流的随机起伏。
