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Optical Power Radiated Formula

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Optical Power Radiated is a measure of the amount of light energy emitted or received per unit time. Check FAQs

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

P_opt - Optical Power Radiated?ε_opto - Emissivity?A_s - Area of Source?T_o - Temperature?[Stefan-BoltZ] - Stefan-Boltzmann Constant?

Optical Power Radiated Example

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Here is how the Optical Power Radiated equation looks like with Values.

Here is how the Optical Power Radiated equation looks like with Units.

Here is how the Optical Power Radiated equation looks like.

0.0018 = 0.85 \cdot 5.7E-8 \cdot 5.11 \cdot 293^{4}

0.0018W = 0.85 \cdot 5.7E-8 \cdot 5.11mm² \cdot {293K}^{4}

0.0018 = 0.85 \cdot 5.7E-8 \cdot 5.11 \cdot 293^{4}

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Optical Power Radiated Solution

Follow our step by step solution on how to calculate Optical Power Radiated?

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

P opt = 0.85 \cdot [Stefan-BoltZ] \cdot 5.11mm² \cdot {293K}^{4}

Next Step Substitute values of Constants

∴

P opt = 0.85 \cdot 5.7E-8 \cdot 5.11mm² \cdot {293K}^{4}

Next Step Convert Units

∴

P opt = 0.85 \cdot 5.7E-8 \cdot 5.1E-6m² \cdot {293K}^{4}

Next Step Prepare to Evaluate

∴

P opt = 0.85 \cdot 5.7E-8 \cdot 5.1E-6 \cdot 293^{4}

Next Step Evaluate

∴

P opt = 0.00181518743095339W

LAST Step Rounding Answer

∴

P opt = 0.0018W

Optical Power Radiated Formula Elements

Variables

Constants

Optical Power Radiated

Optical Power Radiated is a measure of the amount of light energy emitted or received per unit time.

Symbol: P_opt

Measurement: PowerUnit: W

Note: Value should be greater than 0.

Formulas to find Optical Power Radiated

Emissivity

Emissivity is the ability of an object to emit infrared energy. Emissivity can have a value from 0 (shiny mirror) to 1.0 (blackbody).

Symbol: ε_opto

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Emissivity

Area of Source

Area of Source is the surface area of the source that produces the radiation.

Symbol: A_s

Measurement: AreaUnit: mm²

Note: Value should be greater than 0.

Formulas to find Area of Source

Temperature

Temperature is a measure of the average kinetic energy of the particles in a substance.

Symbol: T_o

Measurement: TemperatureUnit: K

Note: Value should be greater than 0.

Formulas to find Temperature

Stefan-Boltzmann Constant

Stefan-Boltzmann Constant relates the total energy radiated by a perfect black body to its temperature and is fundamental in understanding blackbody radiation and astrophysics.

Symbol: [Stefan-BoltZ]

Value: 5.670367E-8

Other formulas in Photonics Devices category

Go Net Phase Shift

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

Go Length of Cavity

L c = \frac{λ \cdot m}{2}

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 Optical Power Radiated?

Optical Power Radiated evaluator uses Optical Power Radiated = Emissivity*[Stefan-BoltZ]*Area of Source*Temperature^4 to evaluate the Optical Power Radiated, The Optical Power Radiated formula is defined as the amount of light energy emitted or received per unit time by the given body. Optical Power Radiated is denoted by P_opt symbol.

How to evaluate Optical Power Radiated using this online evaluator? To use this online evaluator for Optical Power Radiated, enter Emissivity (ε_opto), Area of Source (A_s) & Temperature (T_o) and hit the calculate button.

FAQs on Optical Power Radiated

What is the formula to find Optical Power Radiated?

The formula of Optical Power Radiated is expressed as Optical Power Radiated = Emissivity*[Stefan-BoltZ]*Area of Source*Temperature^4. Here is an example- 0.001815 = 0.85*[Stefan-BoltZ]*5.11E-06*293^4.

How to calculate Optical Power Radiated?

With Emissivity (ε_opto), Area of Source (A_s) & Temperature (T_o) we can find Optical Power Radiated using the formula - Optical Power Radiated = Emissivity*[Stefan-BoltZ]*Area of Source*Temperature^4. This formula also uses Stefan-Boltzmann Constant .

Can the Optical Power Radiated be negative?

No, the Optical Power Radiated, measured in Power cannot be negative.

Which unit is used to measure Optical Power Radiated?

Optical Power Radiated is usually measured using the Watt[W] for Power. Kilowatt[W], Milliwatt[W], Microwatt[W] are the few other units in which Optical Power Radiated can be measured.

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Optical Power Radiated Formula

Optical Power Radiated Example

Optical Power Radiated Solution

Optical Power Radiated Formula Elements

Other formulas in Photonics Devices category

How to Evaluate Optical Power Radiated?

FAQs on Optical Power Radiated

Variable Name