LCM of two numbers

Noise Equivalent Power Calculator

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C V Actions of Optics Transmission Fiber Optic Parameters Optical Detectors Transmission Measurements

✖Charge Of Particles can have several values depending on the type of particle we are dealing with.ⓘ Charge Of Particles [e]			+10% -10%
✖Dark current is the electric current that flows through a photosensitive device, such as a photodetector, even when there is no incident light or photons striking the device.ⓘ Dark Current [I_d]			+10% -10%
✖Quantum Efficiency represents the probability that a photon incident on the photodetector will generate an electron-hole pair, leading to a photocurrent.ⓘ Quantum Efficiency [η]			+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%

✖Noise Equivalent Power measures the minimum detectable power or intensity of radiation, taking into account the inherent noise in the detector system.ⓘ Noise Equivalent Power [NEP]

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Noise Equivalent Power Solution

STEP 0: Pre-Calculation Summary

Formula Used

Noise Equivalent Power = [hP]*[c]*sqrt(2*Charge Of Particles*Dark Current)/(Quantum Efficiency*Charge Of Particles*Wavelength of Light)
NEP = [hP]*[c]*sqrt(2*e*I_d)/(η*e*λ)
This formula uses 2 Constants, 1 Functions, 5 Variables

Constants Used

[hP] - Planck constant Value Taken As 6.626070040E-34
[c] - Light speed in vacuum Value Taken As 299792458.0

Functions Used

sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)

Variables Used

Noise Equivalent Power - (Measured in Watt) - Noise Equivalent Power measures the minimum detectable power or intensity of radiation, taking into account the inherent noise in the detector system.
Charge Of Particles - (Measured in Coulomb) - Charge Of Particles can have several values depending on the type of particle we are dealing with.
Dark Current - (Measured in Ampere) - Dark current is the electric current that flows through a photosensitive device, such as a photodetector, even when there is no incident light or photons striking the device.
Quantum Efficiency - Quantum Efficiency represents the probability that a photon incident on the photodetector will generate an electron-hole pair, leading to a photocurrent.
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.

STEP 1: Convert Input(s) to Base Unit

Charge Of Particles: 14.02 Coulomb --> 14.02 Coulomb No Conversion Required
Dark Current: 11 Nanoampere --> 1.1E-08 Ampere (Check conversion here)
Quantum Efficiency: 0.3 --> No Conversion Required
Wavelength of Light: 1.55 Micrometer --> 1.55E-06 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

NEP = [hP]*[c]*sqrt(2*e*I_d)/(η*e*λ) --> [hP]*[c]*sqrt(2*14.02*1.1E-08)/(0.3*14.02*1.55E-06)

Evaluating ... ...

NEP = 1.69223668588226E-23

STEP 3: Convert Result to Output's Unit

1.69223668588226E-23 Watt --> No Conversion Required

FINAL ANSWER

1.69223668588226E-23 ≈ 1.7E-23 Watt <-- Noise Equivalent Power

(Calculation completed in 00.004 seconds)

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Created by Santhosh Yadav

Dayananda Sagar College Of Engineering (DSCE), Banglore

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Chandigarh University (CU), Punjab

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Noise Equivalent Power

LaTeX Go Noise Equivalent Power = [hP]*[c]*sqrt(2*Charge Of Particles*Dark Current)/(Quantum Efficiency*Charge Of Particles*Wavelength of Light)

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Noise Equivalent Power Formula

LaTeX Go

Noise Equivalent Power = [hP]*[c]*sqrt(2*Charge Of Particles*Dark Current)/(Quantum Efficiency*Charge Of Particles*Wavelength of Light)
NEP = [hP]*[c]*sqrt(2*e*I_d)/(η*e*λ)

How Noise Equivalent Power is helpful?

Noise Equivalent Power (NEP) is crucial in photodetection as it determines the minimum optical power a photodetector can reliably detect while maintaining an acceptable signal-to-noise ratio. NEP is essential for selecting the right photodetector, comparing its performance to other detectors, and ensuring accurate signal detection in various applications.

How to Calculate Noise Equivalent Power?

Noise Equivalent Power calculator uses Noise Equivalent Power = [hP]*[c]*sqrt(2*Charge Of Particles*Dark Current)/(Quantum Efficiency*Charge Of Particles*Wavelength of Light) to calculate the Noise Equivalent Power, Noise Equivalent Power (NEP) is a measure of the minimum detectable optical power or intensity for a photodetector or photodetector system. It quantifies the sensitivity of the detector by expressing the level of incident optical power required to produce a signal-to-noise ratio of 1. Noise Equivalent Power is denoted by NEP symbol.

How to calculate Noise Equivalent Power using this online calculator? To use this online calculator for Noise Equivalent Power, enter Charge Of Particles (e), Dark Current (I_d), Quantum Efficiency (η) & Wavelength of Light (λ) and hit the calculate button. Here is how the Noise Equivalent Power calculation can be explained with given input values -> 1.7E-23 = [hP]*[c]*sqrt(2*14.02*1.1E-08)/(0.3*14.02*1.55E-06).

FAQ

What is Noise Equivalent Power?

Noise Equivalent Power (NEP) is a measure of the minimum detectable optical power or intensity for a photodetector or photodetector system. It quantifies the sensitivity of the detector by expressing the level of incident optical power required to produce a signal-to-noise ratio of 1 and is represented as NEP = [hP]*[c]*sqrt(2*e*I_d)/(η*e*λ) or Noise Equivalent Power = [hP]*[c]*sqrt(2*Charge Of Particles*Dark Current)/(Quantum Efficiency*Charge Of Particles*Wavelength of Light). Charge Of Particles can have several values depending on the type of particle we are dealing with, Dark current is the electric current that flows through a photosensitive device, such as a photodetector, even when there is no incident light or photons striking the device, Quantum Efficiency represents the probability that a photon incident on the photodetector will generate an electron-hole pair, leading to a photocurrent & Wavelength of Light refers to the distance between two consecutive peaks or troughs of an electromagnetic wave in the optical spectrum.

How to calculate Noise Equivalent Power?

Noise Equivalent Power (NEP) is a measure of the minimum detectable optical power or intensity for a photodetector or photodetector system. It quantifies the sensitivity of the detector by expressing the level of incident optical power required to produce a signal-to-noise ratio of 1 is calculated using Noise Equivalent Power = [hP]*[c]*sqrt(2*Charge Of Particles*Dark Current)/(Quantum Efficiency*Charge Of Particles*Wavelength of Light). To calculate Noise Equivalent Power, you need Charge Of Particles (e), Dark Current (I_d), Quantum Efficiency (η) & Wavelength of Light (λ). With our tool, you need to enter the respective value for Charge Of Particles, Dark Current, Quantum Efficiency & Wavelength of Light 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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