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Multiplied Photocurrent Formula

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Multiplied Photocurrent is caused when the receiver sensitivity increases because the photocurrent is multiplied before encountering the electrical noise associated with the receiver circuitry. Check FAQs

I M = G O \cdot R \cdot P o

I_M - Multiplied Photocurrent?G_O - Optical Gain of Phototransistor?R - Responsivity of Photodetector?P_o - Incident Power?

Multiplied Photocurrent Example

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Here is how the Multiplied Photocurrent equation looks like with Values.

Here is how the Multiplied Photocurrent equation looks like with Units.

Here is how the Multiplied Photocurrent equation looks like.

10.5 = 0.15 \cdot 40 \cdot 1.75

10.5µA = 0.15 \cdot 40A \cdot 1.75µW

10.5 = 0.15 \cdot 40 \cdot 1.75

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Multiplied Photocurrent Solution

Follow our step by step solution on how to calculate Multiplied Photocurrent?

FIRST Step Consider the formula

I M = G O \cdot R \cdot P o

Next Step Substitute values of Variables

∴

I M = 0.15 \cdot 40A \cdot 1.75µW

Next Step Convert Units

∴

I M = 0.15 \cdot 40A \cdot 1.8E-6W

Next Step Prepare to Evaluate

∴

I M = 0.15 \cdot 40 \cdot 1.8E-6

Next Step Evaluate

∴

I M = 1.05E-05A

LAST Step Convert to Output's Unit

∴

I M = 10.5µA

Multiplied Photocurrent Formula Elements

Variables

Multiplied Photocurrent

Multiplied Photocurrent is caused when the receiver sensitivity increases because the photocurrent is multiplied before encountering the electrical noise associated with the receiver circuitry.

Symbol: I_M

Measurement: Electric CurrentUnit: µA

Note: Value should be greater than 0.

Formulas to find Multiplied Photocurrent

Optical Gain of Phototransistor

Optical Gain of Phototransistor is a measure of how well a medium amplifies photons by stimulated emission.

Symbol: G_O

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Optical Gain of Phototransistor

Responsivity of Photodetector

Responsivity of Photodetector quantifies how much electrical current a photodetector generates in response to a certain amount of incident optical power.

Symbol: R

Measurement: Electric CurrentUnit: A

Note: Value should be greater than 0.

Formulas to find Responsivity of Photodetector

Incident Power

Incident Power w.r.t optics is the amount of optical power (light energy) incident on the photodetector.

Symbol: P_o

Measurement: PowerUnit: µW

Note: Value should be greater than 0.

Formulas to find Incident Power

Other formulas in Optical Detectors category

Go Quantum Efficiency of Photodetector

η = \frac{N e}{N p}

Go Incident Photon Rate

R i = \frac{P i}{[hP] \cdot F i}

Go Electron Rate in Detector

R p = η \cdot R i

Go Long Wavelength Cutoff Point

λ c = [hP] \cdot \frac{[c]}{E g}

How to Evaluate Multiplied Photocurrent?

Multiplied Photocurrent evaluator uses Multiplied Photocurrent = Optical Gain of Phototransistor*Responsivity of Photodetector*Incident Power to evaluate the Multiplied Photocurrent, Multiplied Photocurrent is caused when the receiver sensitivity increases because the photocurrent is multiplied before encountering the electrical noise associated with the receiver circuitry. The process is called avalanche multiplication and hence the device is called Avalanche Photodiode. Multiplied Photocurrent is denoted by I_M symbol.

How to evaluate Multiplied Photocurrent using this online evaluator? To use this online evaluator for Multiplied Photocurrent, enter Optical Gain of Phototransistor (G_O), Responsivity of Photodetector (R) & Incident Power (P_o) and hit the calculate button.

FAQs on Multiplied Photocurrent

What is the formula to find Multiplied Photocurrent?

The formula of Multiplied Photocurrent is expressed as Multiplied Photocurrent = Optical Gain of Phototransistor*Responsivity of Photodetector*Incident Power. Here is an example- 1.1E+7 = 0.15*40*1.75E-06.

How to calculate Multiplied Photocurrent?

With Optical Gain of Phototransistor (G_O), Responsivity of Photodetector (R) & Incident Power (P_o) we can find Multiplied Photocurrent using the formula - Multiplied Photocurrent = Optical Gain of Phototransistor*Responsivity of Photodetector*Incident Power.

Can the Multiplied Photocurrent be negative?

No, the Multiplied Photocurrent, measured in Electric Current cannot be negative.

Which unit is used to measure Multiplied Photocurrent?

Multiplied Photocurrent is usually measured using the Microampere[µA] for Electric Current. Ampere[µA], Milliampere[µA], Centiampere[µA] are the few other units in which Multiplied Photocurrent can be measured.

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Multiplied Photocurrent Formula

Multiplied Photocurrent Example

Multiplied Photocurrent Solution

Multiplied Photocurrent Formula Elements

Other formulas in Optical Detectors category

How to Evaluate Multiplied Photocurrent?

FAQs on Multiplied Photocurrent

Variable Name