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Results tagged with interferometry
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user 203263
Interferometry is the name for a class of measurement techniques based on the interference of coherent optical fields or other electromagnetic radiation. Generally, Interferometric measurements are extremely accurate, but can be difficult to perform. Common uses for interferometry are optical component metrology and stellar interferometry, although there are many applications.
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Why is the Standard Quantum Limit (SQL) in Interferometers added as that of mass $m$ and not...
We write
$$(\Delta z)^2 = (\Delta z)_{PC}^2 + (\Delta z)_{RP}^2 + (\Delta z)_{SQL}^2$$
to indicate the contributions to the total error from photon counting error, radiation pressure error and the S …
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What is the meaning of this operator?
In interferometry with coherent light, the final output is differenced detectors. That is,
$\left<N\right> = \left<N_1\right> - \left<N_2\right>$
where $N_i$ is the number operator of that mode. … However, in interferometry with NOON states, the Wikipedia article states
consider the observable
A = | N , 0 ⟩ ⟨ 0 , N | + | 0 , N ⟩ ⟨ N , 0 |
The expectation value of A {\displaystyle A} …
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