Active Optical Device Functions
Active optics is a used with developed in the 1980s, which actively shapes a telescope's to prevent deformation due to external influences such as wind, temperature, and mechanical stress. In the field of optical communications, active devices are components that can actively generate or amplify optical signals, such as laser diodes (LDs) or photodetectors (PDs). In that sense, optical sources, external modulators, and optical amplifiers can be considered. The SPIE Digital Library offers a diverse range of content on Active Optics, focusing on technologies used in precision control of optical systems.
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