Enter the max signal and the total dark noise into the calculator to determine the dynamic range of a spectrometer.
Dynamic Range Formula
The following formula is used to calculate a dynamic range.
DNR = MS / DN
- Where DNR is the dynamic range
- MS is the max signal when light is entering the spectrometer
- DN is the dark noise, or the signal registered when no light is present
Dynamic Range Definition
A dynamic range is a measure of the ratio of a maximum signal to the dark noise of a spectrometer.
Dynamic Range Example
How to calculate dynamic range?
- First, determine the maximum signal.
Measure or calculate the maximum signal.
- Next, determine the dark noise.
The dark noise is calculated by measure 25-50 dark level measurements and calculating the RMS level with the standard deviation for each wavelength.
- Finally, calculate the dynamic range.
Calculate the dynamic range using the formula above.
A spectrometer is an instrument that can detect wavelengths of material at very small scales that are used to determine the composition of the materials.