NASA | Laser Focus: The Receiver

The video tutorial, presented by Tyler Evans, an optomechanical engineer, explains the components and functions of the telescope used in the Icesat 2 mission's Atlas instrument. It covers the telescope's structure, alignment, and control systems, including the use of green lasers and the LRS camera. The tutorial also details the process of photon detection and analysis, as well as stellar navigation and filtering, highlighting the use of optical filters and PMT detectors.

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