All Questions
Tagged with refraction optics
916
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Refracted rays and reflected rays intensity change [closed]
When light enters medium A to medium B some light is refracted while some reflected.
How we can derive their relative brightness?
3
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Can a system of lenses or compound lens have a higher numerical aperture than a single element in the system?
I am attempting to create a simple Abbe condenser for a microscope, which typically consists of two converging lenses.
Ideally, I would like to achieve a numerical aperture for the condenser of ...
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87
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How to derive that Optical path length should be stationary from Fermat's principle?
I read above eq. (5.3) in "Optics" by Eugene Hecht
Fermat's Principle maintains that the optical path length OPL will be stationary; that is, its derivative with respect to the position ...
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How would I account for non-linear refractive index effects in a nitrogen based medium?
I am trying to estimate the clamped intensity of a 90 fs femtosecond laser when it passes through a flow of nitrogen that is exiting a nozzle. Prior to the nozzle, the incoming nitrogen flow is heated ...
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Refraction of light - Huygens' Principle
To elucidate the rationale behind the bending of light as it transitions between different mediums, Huygens' principle is predominantly employed. The procedure, as demonstrated in this video (link: ...
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Refractive index from absorbance, transmittance or reflectance spectra of thin film, knowing its thickness [duplicate]
I have absorbance (Abs), reflectance (R%) and transmittance (T%) data of TiO2 deposited thin film on FTO glass substrate. The data was collected using UV-Vis spectrophotometer. Also, I know the ...
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541
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How to calculate refractive index from absorbance, transmittance or reflectance spectra?
I have absorbance (Abs), reflectance (R%) and transmittance (T%) data of TiO2
deposited tin film on FTO glass substrate. The data was collected using UV-Vis spectrophotometer.
How to calculate ...
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56
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How to calculate refractive index $n$ from absorbance, transmittance or reflectance spectra? [duplicate]
I have absorbance (Abs), reflectance (R%) and transmittance (T%) data of $\rm TiO_2$ deposited tin film on FTO glass substrate. The data was collected using UV-Vis spectrophotometer.
How to calculate ...
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1
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147
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Refractive index of titanium dioxide films as a function of wavelength for 400 C ° annealed films
I used UV-Vis/NIR spectrophotometer to extract the measurements of refractive index %R corresponding with wavelengths in the range of 190-1100 nm of TiO2 thin film deposited on FTO glass substrate. ...
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How large is the Group Delay Dispersion for ultrafast light pulse into glass if the refractive index changes linearly?
If an ideal ultrafast pulse with the duration of 1 cycle of light is propagating from air (with n = 1) into glass in the direction normal to the interface, Im also assuming the refractive index n of ...
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Can we explain certain light phenomenon like refraction using particle nature of light?
Using Hugyen's principle and wave nature of light, refraction, diffraction are relatively simple to explain but I have been visualing a mental model for a couple of days where the photons on reach the ...
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Plano convex lens refraction angles formula
I am designing an optical device with several plano-convex lenses. In order to determine several measurements I need to be able to calculate the resulting refracted angles at the edges of the lens in ...
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As we all know a convex lens doesn't exactly converge all rays parallel to it's axis on a single point. So I want to find one such figure
Writing a differential equation for such a figure is an uncomplicated task. It can be accomplished by using snell's law. But the resulting equation probably isn't solvable. I put it in wolfram alpha ...
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120
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How does an Abbe refractometer actually work?
I'm now in the process of writing a report on a lab work i did with an Abbe refractometer.
In all sources i found the working principle of this refractometer is described as such:
"Light shines ...
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What will be the state of polarization?
When unpolarized light incident on the first polarizer, the light becomes plane-polarized with intensity equal to half of the initial value and the plane of polarization is parallel to the optic axis ...