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3 dB Bandwidth of Metal Photodetectors Calculator

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✖Transit time is the duration for a charge carrier to move from where it's created in the photodetector's semiconductor material to where it's collected by the electrodes.ⓘ Transit Time [t_s]

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✖Maximum 3dB Bandwidth of the photodiode is the frequency at which the photodiode's response drops to -3 decibels (dB) or approximately 70.7% of its maximum response.ⓘ 3 dB Bandwidth of Metal Photodetectors [B_m]

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Formula

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3 dB Bandwidth of Metal Photodetectors

Formula

B m = \frac{1}{2 \cdot π \cdot t s}

Example

0.013252 Hz = \frac{1}{2 \cdot π \cdot 12.01 s}

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3 dB Bandwidth of Metal Photodetectors Solution

STEP 0: Pre-Calculation Summary

Formula Used

Maximum 3db Bandwidth = 1/(2*pi*Transit Time)
B_m = 1/(2*pi*t_s)
This formula uses 1 Constants, 2 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Maximum 3db Bandwidth - (Measured in Hertz) - Maximum 3dB Bandwidth of the photodiode is the frequency at which the photodiode's response drops to -3 decibels (dB) or approximately 70.7% of its maximum response.
Transit Time - (Measured in Second) - Transit time is the duration for a charge carrier to move from where it's created in the photodetector's semiconductor material to where it's collected by the electrodes.

STEP 1: Convert Input(s) to Base Unit

Transit Time: 12.01 Second --> 12.01 Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

B_m = 1/(2*pi*t_s) --> 1/(2*pi*12.01)

Evaluating ... ...

B_m = 0.0132518687004076

STEP 3: Convert Result to Output's Unit

0.0132518687004076 Hertz --> No Conversion Required

FINAL ANSWER

0.0132518687004076 ≈ 0.013252 Hertz <-- Maximum 3db Bandwidth

(Calculation completed in 00.020 seconds)

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Created by Santhosh Yadav

Dayananda Sagar College Of Engineering (DSCE), Banglore

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< 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

3 dB Bandwidth of Metal Photodetectors Formula

Maximum 3db Bandwidth = 1/(2*pi*Transit Time)
B_m = 1/(2*pi*t_s)

How does Bandwidth vary with respect to transit time of the photodetectors?

3 dB bandwidth varies inversely w.r.t the transit time ( t_s ) can be a major factor in order to find the maximum bandwidth of the metal photodetector.

How to Calculate 3 dB Bandwidth of Metal Photodetectors?

3 dB Bandwidth of Metal Photodetectors calculator uses Maximum 3db Bandwidth = 1/(2*pi*Transit Time) to calculate the Maximum 3db Bandwidth, 3 dB Bandwidth of Metal Photodetectors is the common metric used to describe the frequency response or the gain response of the photodetector. In other words, it's the frequency range over which the photodetector can accurately detect and respond to changes in light intensity. Maximum 3db Bandwidth is denoted by B_m symbol.

How to calculate 3 dB Bandwidth of Metal Photodetectors using this online calculator? To use this online calculator for 3 dB Bandwidth of Metal Photodetectors, enter Transit Time (t_s) and hit the calculate button. Here is how the 3 dB Bandwidth of Metal Photodetectors calculation can be explained with given input values -> 0.013263 = 1/(2*pi*12.01).

FAQ

What is 3 dB Bandwidth of Metal Photodetectors?

3 dB Bandwidth of Metal Photodetectors is the common metric used to describe the frequency response or the gain response of the photodetector. In other words, it's the frequency range over which the photodetector can accurately detect and respond to changes in light intensity and is represented as B_m = 1/(2*pi*t_s) or Maximum 3db Bandwidth = 1/(2*pi*Transit Time). Transit time is the duration for a charge carrier to move from where it's created in the photodetector's semiconductor material to where it's collected by the electrodes.

How to calculate 3 dB Bandwidth of Metal Photodetectors?

3 dB Bandwidth of Metal Photodetectors is the common metric used to describe the frequency response or the gain response of the photodetector. In other words, it's the frequency range over which the photodetector can accurately detect and respond to changes in light intensity is calculated using Maximum 3db Bandwidth = 1/(2*pi*Transit Time). To calculate 3 dB Bandwidth of Metal Photodetectors, you need Transit Time (t_s). With our tool, you need to enter the respective value for Transit Time and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Maximum 3db Bandwidth?

In this formula, Maximum 3db Bandwidth uses Transit Time. We can use 2 other way(s) to calculate the same, which is/are as follows -

Maximum 3db Bandwidth = Carrier Velocity/(2*pi*Depletion Layer Width)
Maximum 3db Bandwidth = 1/(2*pi*Transit Time*PhotoConductive Gain)

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