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Detectivity of Photodetector Calculator

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

✖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]

+10%

-10%

✖Detectivity quantifies the device's ability to detect weak optical signals while considering its noise characteristics.ⓘ Detectivity of Photodetector [D]

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Formula

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Detectivity of Photodetector

Formula

D = \frac{1}{NEP}

Example

0.125 = \frac{1}{8 W}

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Detectivity of Photodetector Solution

STEP 0: Pre-Calculation Summary

Formula Used

Detectivity = 1/Noise Equivalent Power
D = 1/NEP
This formula uses 2 Variables

Variables Used

Detectivity - Detectivity quantifies the device's ability to detect weak optical signals while considering its noise characteristics.
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.

STEP 1: Convert Input(s) to Base Unit

Noise Equivalent Power: 8 Watt --> 8 Watt No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

D = 1/NEP --> 1/8

Evaluating ... ...

D = 0.125

STEP 3: Convert Result to Output's Unit

0.125 --> No Conversion Required

FINAL ANSWER

0.125 <-- Detectivity

(Calculation completed in 00.004 seconds)

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Credits

Created by Santhosh Yadav

Dayananda Sagar College Of Engineering (DSCE), Banglore

Santhosh Yadav has created this Calculator and 50+ more calculators!

Verified by Parminder Singh

Chandigarh University (CU), Punjab

Parminder Singh has verified this Calculator and 500+ more calculators!

< Optical Detectors Calculators

Incident Photon Rate

Go Incident Photon Rate = Incident Optical Power/([hP]*Frequency Of Light Wave)

Long Wavelength Cutoff Point

Go Wavelength Cutoff Point = [hP]*[c]/Bandgap Energy

Quantum Efficiency of Photodetector

Go Quantum Efficiency = Number of Electrons/Number of Incident Photons

Electron Rate in Detector

Go Electron Rate = Quantum Efficiency*Incident Photon Rate

Detectivity of Photodetector Formula

Detectivity = 1/Noise Equivalent Power
D = 1/NEP

What is the significance of detectivity of photodetector?

Detectivity is a critical parameter for photodetectors, measuring their ability to detect weak optical signals while considering noise. It is crucial in applications like astronomy, environmental monitoring, medical imaging, and security systems.

How to Calculate Detectivity of Photodetector?

Detectivity of Photodetector calculator uses Detectivity = 1/Noise Equivalent Power to calculate the Detectivity, Detectivity of photodetector is a figure of merit used to evaluate its ability to detect weak optical signals while considering both its sensitivity and the noise characteristics. Detectivity is denoted by D symbol.

How to calculate Detectivity of Photodetector using this online calculator? To use this online calculator for Detectivity of Photodetector, enter Noise Equivalent Power (NEP) and hit the calculate button. Here is how the Detectivity of Photodetector calculation can be explained with given input values -> 0.125 = 1/8.

FAQ

What is Detectivity of Photodetector?

Detectivity of photodetector is a figure of merit used to evaluate its ability to detect weak optical signals while considering both its sensitivity and the noise characteristics and is represented as D = 1/NEP or Detectivity = 1/Noise Equivalent Power. Noise Equivalent Power measures the minimum detectable power or intensity of radiation, taking into account the inherent noise in the detector system.

How to calculate Detectivity of Photodetector?

Detectivity of photodetector is a figure of merit used to evaluate its ability to detect weak optical signals while considering both its sensitivity and the noise characteristics is calculated using Detectivity = 1/Noise Equivalent Power. To calculate Detectivity of Photodetector, you need Noise Equivalent Power (NEP). With our tool, you need to enter the respective value for Noise Equivalent 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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