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Delta Parameter Formula

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Delta Parameter refers to the phase shift experienced by light as it passes through a thin optical element. Check FAQs

Δ = \frac{{η core}^{2} - {η clad}^{2}}{{η core}^{2}}

Δ - Delta Parameter?η_core - Refractive Index of Core?η_clad - Refractive Index of Cladding?

Delta Parameter Example

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Here is how the Delta Parameter equation looks like with Values.

Here is how the Delta Parameter equation looks like with Units.

Here is how the Delta Parameter equation looks like.

0.0907 = \frac{{1.335}^{2} - {1.273}^{2}}{{1.335}^{2}}

0.0907 = \frac{{1.335}^{2} - {1.273}^{2}}{{1.335}^{2}}

0.0907 = \frac{{1.335}^{2} - {1.273}^{2}}{{1.335}^{2}}

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Delta Parameter Solution

Follow our step by step solution on how to calculate Delta Parameter?

FIRST Step Consider the formula

Δ = \frac{{η core}^{2} - {η clad}^{2}}{{η core}^{2}}

Next Step Substitute values of Variables

∴

Δ = \frac{{1.335}^{2} - {1.273}^{2}}{{1.335}^{2}}

Next Step Prepare to Evaluate

∴

Δ = \frac{{1.335}^{2} - {1.273}^{2}}{{1.335}^{2}}

Next Step Evaluate

∴

Δ = 0.0907270406374057

LAST Step Rounding Answer

∴

Δ = 0.0907

Delta Parameter Formula Elements

Variables

Delta Parameter

Delta Parameter refers to the phase shift experienced by light as it passes through a thin optical element.

Symbol: Δ

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Delta Parameter

Refractive Index of Core

The Refractive Index of Core is defined as how the light travels through that medium. It defines how much a light ray can bend when it enters from one medium to the other.

Symbol: η_core

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Refractive Index of Core

Refractive Index of Cladding

Refractive Index of Cladding is the measure of bending of a ray of light when passing from one medium(surrounding) into another.

Symbol: η_clad

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Refractive Index of Cladding

Other formulas in Fiber Design Characteristics category

Go Numerical Aperture

NA = \sqrt{({η core}^{2}) - ({η clad}^{2})}

Go Refractive Index of Fiber Core

η core = \sqrt{{NA}^{2} + {η clad}^{2}}

Go Refractive Index of Cladding

η clad = \sqrt{{η core}^{2} - {NA}^{2}}

Go Ray Optics Critical Angle

θ = {\sin (\frac{η r}{η i})}^{- 1}

How to Evaluate Delta Parameter?

Delta Parameter evaluator uses Delta Parameter = (Refractive Index of Core^2-Refractive Index of Cladding^2)/(Refractive Index of Core^2) to evaluate the Delta Parameter, Delta Parameter refers to the phase shift experienced by light as it passes through a thin optical element, such as a thin lens or a thin layer of a material. The delta parameter is often used to describe the optical path difference (OPD) or phase delay introduced by the optical element. Delta Parameter is denoted by Δ symbol.

How to evaluate Delta Parameter using this online evaluator? To use this online evaluator for Delta Parameter, enter Refractive Index of Core (η_core) & Refractive Index of Cladding (η_clad) and hit the calculate button.

FAQs on Delta Parameter

What is the formula to find Delta Parameter?

The formula of Delta Parameter is expressed as Delta Parameter = (Refractive Index of Core^2-Refractive Index of Cladding^2)/(Refractive Index of Core^2). Here is an example- 0.090727 = (1.335^2-1.273^2)/(1.335^2).

How to calculate Delta Parameter?

With Refractive Index of Core (η_core) & Refractive Index of Cladding (η_clad) we can find Delta Parameter using the formula - Delta Parameter = (Refractive Index of Core^2-Refractive Index of Cladding^2)/(Refractive Index of Core^2).

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Delta Parameter Formula

Delta Parameter Example

Delta Parameter Solution

Delta Parameter Formula Elements

Other formulas in Fiber Design Characteristics category

How to Evaluate Delta Parameter?

FAQs on Delta Parameter

Variable Name