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Length of Cavity Formula

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Length of Cavity is a physical measure representing the distance between the two reflective surfaces (mirrors) of an optical cavity. Check FAQs

L c = \frac{λ \cdot m}{2}

L_c - Length of Cavity?λ - Photon Wavelength?m - Mode Number?

Length of Cavity Example

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Here is how the Length of Cavity equation looks like with Values.

Here is how the Length of Cavity equation looks like with Units.

Here is how the Length of Cavity equation looks like.

7.878 = \frac{3.9 \cdot 4.04}{2}

7.878m = \frac{3.9m \cdot 4.04}{2}

7.878 = \frac{3.9 \cdot 4.04}{2}

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Length of Cavity Solution

Follow our step by step solution on how to calculate Length of Cavity?

FIRST Step Consider the formula

L c = \frac{λ \cdot m}{2}

Next Step Substitute values of Variables

∴

L c = \frac{3.9m \cdot 4.04}{2}

Next Step Prepare to Evaluate

∴

L c = \frac{3.9 \cdot 4.04}{2}

LAST Step Evaluate

∴

L c = 7.878m

Length of Cavity Formula Elements

Variables

Length of Cavity

Length of Cavity is a physical measure representing the distance between the two reflective surfaces (mirrors) of an optical cavity.

Symbol: L_c

Measurement: WavelengthUnit: m

Note: Value should be greater than 0.

Formulas to find Length of Cavity

Photon Wavelength

Photon Wavelength refers to the distance between consecutive peaks (or troughs) in the oscillating electric and magnetic fields of a photon's electromagnetic wave.

Symbol: λ

Measurement: WavelengthUnit: m

Note: Value should be greater than 0.

Formulas to find Photon Wavelength

Mode Number

Mode Number indicates the number of half-wavelengths that fit into the given space.

Symbol: m

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Mode Number

Other formulas in Photonics Devices category

Go Optical Power Radiated

P opt = ε opto \cdot [Stefan-BoltZ] \cdot A s \cdot {T o}^{4}

Go Net Phase Shift

ΔΦ = \frac{π}{λ o} \cdot {(n ri)}^{3} \cdot r \cdot V cc

Go Mode Number

m = \frac{2 \cdot L c \cdot n ri}{λ}

Go Relative Population

n rel = \exp (- \frac{[hP] \cdot ν rel}{[BoltZ] \cdot T})

How to Evaluate Length of Cavity?

Length of Cavity evaluator uses Length of Cavity = (Photon Wavelength*Mode Number)/2 to evaluate the Length of Cavity, The Length of Cavity formula is a physical measure representing the distance between the two reflective surfaces (mirrors) of an optical cavity. Length of Cavity is denoted by L_c symbol.

How to evaluate Length of Cavity using this online evaluator? To use this online evaluator for Length of Cavity, enter Photon Wavelength (λ) & Mode Number (m) and hit the calculate button.

FAQs on Length of Cavity

What is the formula to find Length of Cavity?

The formula of Length of Cavity is expressed as Length of Cavity = (Photon Wavelength*Mode Number)/2. Here is an example- 7.878 = (3.9*4.04)/2.

How to calculate Length of Cavity?

With Photon Wavelength (λ) & Mode Number (m) we can find Length of Cavity using the formula - Length of Cavity = (Photon Wavelength*Mode Number)/2.

Can the Length of Cavity be negative?

No, the Length of Cavity, measured in Wavelength cannot be negative.

Which unit is used to measure Length of Cavity?

Length of Cavity is usually measured using the Meter[m] for Wavelength. Megameter[m], Kilometer[m], Centimeter[m] are the few other units in which Length of Cavity can be measured.

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Length of Cavity Formula

Length of Cavity Example

Length of Cavity Solution

Length of Cavity Formula Elements

Other formulas in Photonics Devices category

How to Evaluate Length of Cavity?

FAQs on Length of Cavity

Variable Name