time constant

of a detector
symbol: $\tau_{\rm{c}}$
https://doi.org/10.1351/goldbook.T06376
If the output of a detector changes exponentially with time, the time required for it to change from its initial value by the fraction \(1 - \exp(-t/\tau _{\rm{c}})\) (for \(t=\tau _{\rm{c}}\)) of the final value, is called the time constant.
Source:
PAC, 1995, 67, 1745. (Nomenclature, symbols, units and their usage in spectrochemical analysis-XI. Detection of radiation (IUPAC Recommendations 1995)) on page 1751 [Terms] [Paper]
Citation: 'time constant' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.T06376 RIS BibTex EndNote
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