What is a monochromatic EM wave? - Physics Stack Exchange
2020年9月28日 · As far as I know, monochromatic waves are waves in the form: $$\vec E(\vec r, t) = \vec E_o \cos(ωt − \vec k \cdot \vec r)$$ where $\vec E_o$ is a constant. Note that this waves are a subset of the plane waves family. What makes this wave monochromatic is the single frequency term $ω$.
What is monochromatic stainless steel? – Q&A – Best Buy
Monochromatic stainless steel refers to the silver painted handles and trim of certain stainless steel appliances. Because the entire appliance is silver, it is considered to be monochromatic or of one color. Therefore, monochromatic stainless steel should be considered more of a design than an actual type of stainless steel.
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electromagnetism - Monochromatic wave - Physics Stack Exchange
"Monochromatic" is used to denote waves of a single frequency (or superpositions of a very narrow wave of frequencies, at most). Polarization is independent of this, so your light is indeed monochromatic.
electromagnetism - Is perfectly monochromatic light always …
2021年2月28日 · Monochromatic light can also be unpolarized. To understand this, we require some more detail. Unpolarized monochromatic light. In quantum mechanics, light can be in a statistical mixed state between two polarizations. Mathematically, this is described by a density matrix $\rho$. For example, a unpolarized monochromatic state could be written
optics - Can non-monochromatic light be elliptically or circularly ...
2018年4月13日 · Non-monochromatic light is made up of some combination (which might be coherent or incoherent) of light of a range of different frequencies. If each component of that combination is circularly polarized, then we say that the combination is circularly polarized.
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Why is a laser beam monochromatic and coherent? [closed]
It is quite broad band in its emission (on purpose), not monochromatic. Also semiconductor laser such as those in laser pointers have a multitude of spectral lines. Compared to an LED or thermal emitter quite narrow spectrum though, but not monochromatic in the strict sense (because there are multiple lines).
why monochromatic light is necessary for interference?
2014年2月4日 · $\begingroup$ Monochromatic light isn't actually necessary for interference; see white-light interferometry. More generally, I think that some form of statistical coherence is all that is needed for interference effects to occur; Emil Wolf has a good book on the statistical interpretation of interference effects called "Introduction to the theory of coherence and …
fourier transform - Is a plane wave necessarily monochromatic ...
2017年8月29日 · As such it is monochromatic. I can imagine that one can compose a wave consisting of a spectrum of such monochromatic plane waves, all propagating in the same direction, but wiht different frequencies. However, whether that would still represent a plane wave is not certain, because the phase may be ill-defined for such a polychromatic wave.