Searching for Raman Prism: Is It Real?

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Homework Statement
Our lecturer has asked us to write a short note on Raman prism and its applications as our holiday homework
Relevant Equations
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I have been unable to find any material pertaining to Raman prism. Does such a thing even exist?
 
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Hi,

For a homework thread you really should post an attempt at solution by yourself !
Least you could do is google raman spectroscopy and try to find out what prof could be thinking of. Perhaps he is my age and designates anything resolving a spectrum as 'prism' -- even if nowadays it all done with gratings.
Other places where spectral dispersion comes in is in the laser tuning or the filter.

1577270933357.png


(wikipedia picture after T Schmid, P Dariz, Heritage. 2 (2): 1662–1683)
 
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Thank you for answering. I guess I should really ask him directly on what he means.
 
Sounds like the best of ideas to me !
 
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Hi, I had an exam and I completely messed up a problem. Especially one part which was necessary for the rest of the problem. Basically, I have a wormhole metric: $$(ds)^2 = -(dt)^2 + (dr)^2 + (r^2 + b^2)( (d\theta)^2 + sin^2 \theta (d\phi)^2 )$$ Where ##b=1## with an orbit only in the equatorial plane. We also know from the question that the orbit must satisfy this relationship: $$\varepsilon = \frac{1}{2} (\frac{dr}{d\tau})^2 + V_{eff}(r)$$ Ultimately, I was tasked to find the initial...
##|\Psi|^2=\frac{1}{\sqrt{\pi b^2}}\exp(\frac{-(x-x_0)^2}{b^2}).## ##\braket{x}=\frac{1}{\sqrt{\pi b^2}}\int_{-\infty}^{\infty}dx\,x\exp(-\frac{(x-x_0)^2}{b^2}).## ##y=x-x_0 \quad x=y+x_0 \quad dy=dx.## The boundaries remain infinite, I believe. ##\frac{1}{\sqrt{\pi b^2}}\int_{-\infty}^{\infty}dy(y+x_0)\exp(\frac{-y^2}{b^2}).## ##\frac{2}{\sqrt{\pi b^2}}\int_0^{\infty}dy\,y\exp(\frac{-y^2}{b^2})+\frac{2x_0}{\sqrt{\pi b^2}}\int_0^{\infty}dy\,\exp(-\frac{y^2}{b^2}).## I then resolved the two...

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