Refractive Index Difference Calculator

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Transmission Measurements

C-V Actions of Optics Transmission

Fiber Optic Parameters

Optical Detectors

✖Fringe Displacements Number also referred as fringe shift defines the number of times the fringe displacement has occurred.ⓘ Fringe Displacements Number [q]			+10% -10%
✖Wavelength of Light refers to the distance between two consecutive peaks or troughs of an electromagnetic wave in the optical spectrum.ⓘ Wavelength of Light [λ]			+10% -10%
✖Slab Thickness is the measurement of how thick the slab of fiber is.ⓘ Slab Thickness [x]			+10% -10%

✖Difference Refractive Index is the difference between refractive indices caused due to fringe displacements.ⓘ Refractive Index Difference [δn]

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Formula

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Refractive Index Difference

Formula

`"δn" = ("q"*"λ")/"x"`

Example

`"0.058125"=("60000"*"1.55μm")/"1.6m"`

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Refractive Index Difference Solution

STEP 0: Pre-Calculation Summary

Formula Used

Difference Refractive Index = (Fringe Displacements Number*Wavelength of Light)/Slab Thickness
δn = (q*λ)/x
This formula uses 4 Variables

Variables Used

Difference Refractive Index - Difference Refractive Index is the difference between refractive indices caused due to fringe displacements.
Fringe Displacements Number - Fringe Displacements Number also referred as fringe shift defines the number of times the fringe displacement has occurred.
Wavelength of Light - (Measured in Meter) - Wavelength of Light refers to the distance between two consecutive peaks or troughs of an electromagnetic wave in the optical spectrum.
Slab Thickness - (Measured in Meter) - Slab Thickness is the measurement of how thick the slab of fiber is.

STEP 1: Convert Input(s) to Base Unit

Fringe Displacements Number: 60000 --> No Conversion Required
Wavelength of Light: 1.55 Micrometer --> 1.55E-06 Meter (Check conversion here)
Slab Thickness: 1.6 Meter --> 1.6 Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

δn = (q*λ)/x --> (60000*1.55E-06)/1.6

Evaluating ... ...

δn = 0.058125

STEP 3: Convert Result to Output's Unit

0.058125 --> No Conversion Required

FINAL ANSWER

0.058125 <-- Difference Refractive Index

(Calculation completed in 00.004 seconds)

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Credits

Created by Santhosh Yadav

Dayananda Sagar College Of Engineering (DSCE), Banglore

Santhosh Yadav has created this Calculator and 50+ more calculators!

Verified by Parminder Singh

Chandigarh University (CU), Punjab

Parminder Singh has verified this Calculator and 600+ more calculators!

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Refractive Index Difference Formula

Difference Refractive Index = (Fringe Displacements Number*Wavelength of Light)/Slab Thickness
δn = (q*λ)/x

Why is Difference In Refractive Index important?

It's used in astronomy to study distant stars and galaxies, in physics for high-precision measurements, and in engineering to test the integrity of materials. In geology, it helps monitor tectonic plate movements and earthquake activity.

How to Calculate Refractive Index Difference?

Refractive Index Difference calculator uses Difference Refractive Index = (Fringe Displacements Number*Wavelength of Light)/Slab Thickness to calculate the Difference Refractive Index, Refractive Index Difference refers to the change in the refractive index of a medium as measured by observing shifts in the interference fringes in an interferometric setup. Difference Refractive Index is denoted by δn symbol.

How to calculate Refractive Index Difference using this online calculator? To use this online calculator for Refractive Index Difference, enter Fringe Displacements Number (q), Wavelength of Light (λ) & Slab Thickness (x) and hit the calculate button. Here is how the Refractive Index Difference calculation can be explained with given input values -> 0.058125 = (60000*1.55E-06)/1.6.

FAQ

What is Refractive Index Difference?

Refractive Index Difference refers to the change in the refractive index of a medium as measured by observing shifts in the interference fringes in an interferometric setup and is represented as δn = (q*λ)/x or Difference Refractive Index = (Fringe Displacements Number*Wavelength of Light)/Slab Thickness. Fringe Displacements Number also referred as fringe shift defines the number of times the fringe displacement has occurred, Wavelength of Light refers to the distance between two consecutive peaks or troughs of an electromagnetic wave in the optical spectrum & Slab Thickness is the measurement of how thick the slab of fiber is.

How to calculate Refractive Index Difference?

Refractive Index Difference refers to the change in the refractive index of a medium as measured by observing shifts in the interference fringes in an interferometric setup is calculated using Difference Refractive Index = (Fringe Displacements Number*Wavelength of Light)/Slab Thickness. To calculate Refractive Index Difference, you need Fringe Displacements Number (q), Wavelength of Light (λ) & Slab Thickness (x). With our tool, you need to enter the respective value for Fringe Displacements Number, Wavelength of Light & Slab Thickness and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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