PhotoConductive Gain Calculator

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C-V Actions of Optics Transmission

Fiber Optic Parameters

Optical Detectors

Transmission Measurements

✖Slow Carrier Transit Time is when the response of the diffusion components of the photocurrent is relatively slow.ⓘ Slow Carrier Transit Time [t_sl]			+10% -10%
✖Fast Carrier Transit Time is when the response of the diffusion components of the photocurrent is relatively fast.ⓘ Fast Carrier Transit Time [t_fa]			+10% -10%

✖PhotoConductive Gain is defined as the ratio of the slow carrier transit time (or lifetime) to the fast carrier transit time.ⓘ PhotoConductive Gain [G]

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Formula

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PhotoConductive Gain

Formula

`"G" = "t"_{"sl"}/"t"_{"fa"}`

Example

`"0.5"="2ps"/"4ps"`

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PhotoConductive Gain Solution

STEP 0: Pre-Calculation Summary

Formula Used

PhotoConductive Gain = Slow Carrier Transit Time/Fast Carrier Transit Time
G = t_sl/t_fa
This formula uses 3 Variables

Variables Used

PhotoConductive Gain - PhotoConductive Gain is defined as the ratio of the slow carrier transit time (or lifetime) to the fast carrier transit time.
Slow Carrier Transit Time - (Measured in Second) - Slow Carrier Transit Time is when the response of the diffusion components of the photocurrent is relatively slow.
Fast Carrier Transit Time - (Measured in Second) - Fast Carrier Transit Time is when the response of the diffusion components of the photocurrent is relatively fast.

STEP 1: Convert Input(s) to Base Unit

Slow Carrier Transit Time: 2 Picosecond --> 2E-12 Second (Check conversion here)
Fast Carrier Transit Time: 4 Picosecond --> 4E-12 Second (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

G = t_sl/t_fa --> 2E-12/4E-12

Evaluating ... ...

G = 0.5

STEP 3: Convert Result to Output's Unit

0.5 --> No Conversion Required

FINAL ANSWER

0.5 <-- PhotoConductive Gain

(Calculation completed in 00.004 seconds)

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Credits

Created by Simran Shravan Nishad

Sinhgad College Of Engineering (SCOE), Pune

Simran Shravan Nishad has created this Calculator and 25+ more calculators!

Verified by Ritwik Tripathi

Vellore Institute of Technology (VIT Vellore), Vellore

Ritwik Tripathi has verified this Calculator and 100+ more calculators!

< 17 C-V Actions of Optics Transmission Calculators

Noise Equivalent Power

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

Passband Ripple

Go Passband Ripple = ((1+sqrt(Resistance 1*Resistance 2)*Single Pass Gain)/(1-sqrt(Resistance 1*Resistance 2)*Single Pass Gain))^2

ASE Noise Power

Go ASE Noise Power = Mode Number*Spontaneous Emission Factor*(Single Pass Gain-1)*([hP]*Frequency Of Incident Light)*Post Detection Bandwidth

Noise Figure given ASE Noise Power

Go Noise Figure = 10*log10(ASE Noise Power/(Single Pass Gain*[hP]*Frequency Of Incident Light*Post Detection Bandwidth))

Output Photo Current

Go Photocurrent = Quantum Efficiency*Incident Optical Power*[Charge-e]/([hP]*Frequency Of Incident Light)

Peak Parametric Gain

Go Peak Parametric Gain = 10*log10(0.25*exp(2*Fiber Non Linear Coefficient*Pump Signal Power*Fiber Length))

Responsivity with reference of Wavelength

Go Responsivity of Photodetector = (Quantum Efficiency*[Charge-e]*Wavelength of Light)/([hP]*[c])

Total Shot Noise

Go Total Shot Noise = sqrt(2*[Charge-e]*Post Detection Bandwidth*(Photocurrent+Dark Current))

Responsivity in relation to Photon Energy

Go Responsivity of Photodetector = (Quantum Efficiency*[Charge-e])/([hP]*Frequency Of Incident Light)

Thermal Noise Current

Go Thermal Noise Current = 4*[BoltZ]*Absolute Temperature*Post Detection Bandwidth/Resistivity

Gain Coefficient

Go Net Gain Coefficient Per Unit Length = Optical Confinement Factor*Material Gain Coefficient-Effective Loss Coefficient

Junction Capacitance of Photodiode

Go Junction Capacitance = Permittivity of Semiconductor*Junction Area/Depletion Layer Width

Dark Current Noise

Go Dark Current Noise = 2*Post Detection Bandwidth*[Charge-e]*Dark Current

Load Resistor

Go Load Resistance = 1/(2*pi*Post Detection Bandwidth*Capacitance)

Optical Gain of Phototransistor

Go Optical Gain of Phototransistor = Quantum Efficiency*Common Emitter Current Gain

PhotoConductive Gain

Go PhotoConductive Gain = Slow Carrier Transit Time/Fast Carrier Transit Time

Responsivity of Photodetector

Go Responsivity of Photodetector = Photocurrent/Incident Power

PhotoConductive Gain Formula

PhotoConductive Gain = Slow Carrier Transit Time/Fast Carrier Transit Time
G = t_sl/t_fa

What is the photoconductive effect?

The photoconductivity is an optical/electrical phenomenon in which a material becomes more electrically conductive due to the absorption of electromagnetic radiation (such as visible light, ultraviolet light, infrared light, or gamma radiation).

How to Calculate PhotoConductive Gain?

PhotoConductive Gain calculator uses PhotoConductive Gain = Slow Carrier Transit Time/Fast Carrier Transit Time to calculate the PhotoConductive Gain, PhotoConductive Gain is defined as the ratio of the slow carrier transit time (or lifetime) to the fast carrier transit time. PhotoConductive Gain is denoted by G symbol.

How to calculate PhotoConductive Gain using this online calculator? To use this online calculator for PhotoConductive Gain, enter Slow Carrier Transit Time (t_sl) & Fast Carrier Transit Time (t_fa) and hit the calculate button. Here is how the PhotoConductive Gain calculation can be explained with given input values -> 0.5 = 2E-12/4E-12.

FAQ

What is PhotoConductive Gain?

PhotoConductive Gain is defined as the ratio of the slow carrier transit time (or lifetime) to the fast carrier transit time and is represented as G = t_sl/t_fa or PhotoConductive Gain = Slow Carrier Transit Time/Fast Carrier Transit Time. Slow Carrier Transit Time is when the response of the diffusion components of the photocurrent is relatively slow & Fast Carrier Transit Time is when the response of the diffusion components of the photocurrent is relatively fast.

How to calculate PhotoConductive Gain?

PhotoConductive Gain is defined as the ratio of the slow carrier transit time (or lifetime) to the fast carrier transit time is calculated using PhotoConductive Gain = Slow Carrier Transit Time/Fast Carrier Transit Time. To calculate PhotoConductive Gain, you need Slow Carrier Transit Time (t_sl) & Fast Carrier Transit Time (t_fa). With our tool, you need to enter the respective value for Slow Carrier Transit Time & Fast Carrier Transit Time 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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