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questions
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How did LADEE and LDRC measure it's distance from Lunar orbit to Earth to 1 centimeter accuracy using optical communications?
The video Donald Cornwell plenary talk: NASA's Optical Communications Program: 2015 and Beyond was presented at SPIE Photonics West 2015. It's a great talk and worth the time.
LADEE had [the Laser ...
2
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When they shoot lasers at the Moon for ranging, what is the shape of the beam?
Laser ranging of the Moon is usually done with a Q-switched pulsed laser fed into a big (1 or 2 meter diameter) telescope as a collimator in order to get a tight beam all the way to the Moon in hopes ...
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How to get an initial setting of the range gate for a Lunar Laser Ranging using a new Retro Reflector for the first time?
From an answer to this question
They were searching by aiming their laser at the moon and looking for
reflections. But the system is set to only detect photons in a very
narrow range of ...