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.

What is the diameter of the primary dish of the telescope used in the Icesat 2 mission?

Describe the role of the secondary mirror in the telescope's design.

How does the telescope determine its pointing direction?

What is the significance of the optical filter assemblies in the telescope?

Explain how photons are processed after they enter the telescope.