NASA | Laser Focus

The video tutorial explains the process of transmitting laser beams from a satellite to Earth and back to measure ice elevation. It covers the components involved, such as the optical bench, polarizing beam combiner, and laser sampling assembly. The tutorial also details the beam expansion and steering mechanisms, as well as the role of the diffractive optical element in splitting the beam into six parts for scientific measurements.

Explain the role of the beam steering mirror in the laser system.

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What is the significance of the diffractive optical element in the laser setup?

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