Spacecraft attitude control | Gyroscopes

Ring laser gyroscope

A ring laser gyroscope (RLG) consists of a ring laser having two independent counter-propagating resonant modes over the same path; the difference in phase is used to detect rotation. It operates on the principle of the Sagnac effect which shifts the nulls of the internal standing wave pattern in response to angular rotation. Interference between the counter-propagating beams, observed externally, results in motion of the standing wave pattern, and thus indicates rotation. (Wikipedia).

Ring laser gyroscope
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From playlist Exploratorium through your eyes

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From playlist Cool Science Tricks

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From playlist Lasers

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Scientists have discovered how to create a real life 'superlaser' using an ultra-pure diamond. How exactly does it work? Jellyfish Lasers Are Revolutionizing Quantum Physics - https://youtu.be/OpVvR6pa7g8 Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More:

From playlist All About Diamonds & Graphene

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From playlist Interviews

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From playlist MIT 8.422 Atomic and Optical Physics II, Spring 2013

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From playlist Public Lectures

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