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Absorption Coefficient Calculator

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✖Sample Thickness is defined as the total distance between the two planes of the sample taken.ⓘ Sample Thickness [b]			+10% -10%
✖Absorbed Power is defined as the power consumed by a solid state device while operating.ⓘ Absorbed Power [P_abs]			+10% -10%
✖Incident Power is the intensity of the incident light ray striking the surface.ⓘ Incident Power [P_i]			+10% -10%

✖Absorption Coefficient determines how far into a material, light of a particular wavelength can penetrate before it is absorbed.ⓘ Absorption Coefficient [α]

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Formula

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Absorption Coefficient

Formula

α = (- \frac{1}{b}) \cdot \ln (\frac{P abs}{P i})

Example

15068.42 cm⁻¹ = (- \frac{1}{0.46 μm}) \cdot \ln (\frac{0.11 W}{0.22 W})

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Absorption Coefficient Solution

STEP 0: Pre-Calculation Summary

Formula Used

Absorption Coefficient = (-1/Sample Thickness)*ln(Absorbed Power/Incident Power)
α = (-1/b)*ln(P_abs/P_i)
This formula uses 1 Functions, 4 Variables

Functions Used

ln - The natural logarithm, also known as the logarithm to the base e, is the inverse function of the natural exponential function., ln(Number)

Variables Used

Absorption Coefficient - (Measured in 1 per Meter) - Absorption Coefficient determines how far into a material, light of a particular wavelength can penetrate before it is absorbed.
Sample Thickness - (Measured in Meter) - Sample Thickness is defined as the total distance between the two planes of the sample taken.
Absorbed Power - (Measured in Watt) - Absorbed Power is defined as the power consumed by a solid state device while operating.
Incident Power - (Measured in Watt) - Incident Power is the intensity of the incident light ray striking the surface.

STEP 1: Convert Input(s) to Base Unit

Sample Thickness: 0.46 Micrometer --> 4.6E-07 Meter (Check conversion here)
Absorbed Power: 0.11 Watt --> 0.11 Watt No Conversion Required
Incident Power: 0.22 Watt --> 0.22 Watt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

α = (-1/b)*ln(P_abs/P_i) --> (-1/4.6E-07)*ln(0.11/0.22)

Evaluating ... ...

α = 1506841.69686945

STEP 3: Convert Result to Output's Unit

1506841.69686945 1 per Meter -->15068.4169686945 1 per Centimeter (Check conversion here)

FINAL ANSWER

15068.4169686945 ≈ 15068.42 1 per Centimeter <-- Absorption Coefficient

(Calculation completed in 00.004 seconds)

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Created by Yada Sai Pranay

Indian Institute of Information Technology Design and Manufacturing ((IIIT D&M Kancheepuram)), Chennai

Yada Sai Pranay has created this Calculator and 4 more calculators!

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Jayawantrao Sawant College of Engineering (JSCOE), Pune

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< SSD Junction Calculators

Junction Capacitance

Go Junction Capacitance = (Junction Area/2)*sqrt((2*[Charge-e]*Constant Length Offset*Doping Concentration of Base)/(Source Voltage-Source Voltage 1))

Series Resistance in P-type

Go Series Resistance in P Junction = ((Source Voltage-Junction Voltage)/Electric Current)-Series Resistance in N Junction

Junction Voltage

Go Junction Voltage = Source Voltage-(Series Resistance in P Junction+Series Resistance in N Junction)*Electric Current

N-Type Width

Go Charge Penetration N-type = Total Acceptor Charge/(Junction Area*Acceptor Concentration*[Charge-e])

Absorption Coefficient Formula

Absorption Coefficient = (-1/Sample Thickness)*ln(Absorbed Power/Incident Power)
α = (-1/b)*ln(P_abs/P_i)

What is an Absorption Coefficient?

The absorption coefficient determines how far into a material light of a particular wavelength can penetrate before it is absorbed. In a material with a low absorption coefficient, light is only poorly absorbed, and if the material is thin enough, it will appear transparent to that wavelength. Absorption coefficient has the units [cm^-1]

How to Calculate Absorption Coefficient?

Absorption Coefficient calculator uses Absorption Coefficient = (-1/Sample Thickness)*ln(Absorbed Power/Incident Power) to calculate the Absorption Coefficient, Absorption Coefficient determines how far into a material, light of a particular wavelength can penetrate before it is absorbed. Absorption Coefficient is denoted by α symbol.

How to calculate Absorption Coefficient using this online calculator? To use this online calculator for Absorption Coefficient, enter Sample Thickness (b), Absorbed Power (P_abs) & Incident Power (P_i) and hit the calculate button. Here is how the Absorption Coefficient calculation can be explained with given input values -> 150.6842 = (-1/4.6E-07)*ln(0.11/0.22).

FAQ

What is Absorption Coefficient?

Absorption Coefficient determines how far into a material, light of a particular wavelength can penetrate before it is absorbed and is represented as α = (-1/b)*ln(P_abs/P_i) or Absorption Coefficient = (-1/Sample Thickness)*ln(Absorbed Power/Incident Power). Sample Thickness is defined as the total distance between the two planes of the sample taken, Absorbed Power is defined as the power consumed by a solid state device while operating & Incident Power is the intensity of the incident light ray striking the surface.

How to calculate Absorption Coefficient?

Absorption Coefficient determines how far into a material, light of a particular wavelength can penetrate before it is absorbed is calculated using Absorption Coefficient = (-1/Sample Thickness)*ln(Absorbed Power/Incident Power). To calculate Absorption Coefficient, you need Sample Thickness (b), Absorbed Power (P_abs) & Incident Power (P_i). With our tool, you need to enter the respective value for Sample Thickness, Absorbed Power & Incident Power 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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