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Results tagged with optics
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user 44840
Optics is the study of light, and its interaction with matter. It includes topics such as imaging systems, fiber optics, lasers, quantum optics, and more.
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Bandpass of diffraction grating - exit slit width?
I'm supposed to derive a relation for the range of wavelengths that's being transmitted by a spectrometer (bandpass) in terms of the dispersion, focal length and exit slit width.
Given grating is $10 …
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Fabry Perot Etalon - changing wavelength and plate distance
Given reflectivity $R = 0.75$, an etalon is used as an interference filter, transmitting light of wavelength $4.3\mu m$ at normal incidence. The full width half maximum is about $\Delta \lambda = 0.2 …
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4
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Covering centeremost slit of a N slit diffraction grating - what happens?
I think I have solved it.
Without covering the slit, we have the usual diffraction:
$$u = u_0 e^{i(kz-\omega t)} \space \frac{1- e^{iN\delta}}{1- e^{i\delta}} = u_0 e^{i(kz-\omega t)} e^{i(\frac{N}{ …
- 943
2
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1
answer
452
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Covering centeremost slit of a N slit diffraction grating - what happens?
For an N-slit diffraction grating, the distance from a maxima to a minima at order p is given by
$$\delta \theta = \frac{\lambda}{Np}$$
What happens to this width when the centremost $\frac{N}{2}$ s …
- 943
1
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0
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Quick question on convolution - Diffraction through a pair of slits
We know that the fourier transform of the amplitude function (in terms of $y$) gives you the amplitude function (in terms of $\theta$)
Consider a pair of triangular slits:
Fourier transform of G(y …
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