Deriving Carrier Lifetime, Bandwidth, and Rise Time
A direct first-order derivation connecting photodetector carrier lifetime, electrical bandwidth, and rise time from the carrier-rate equation.
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Infrared photodetector measurement and analysis.
Practical articles on detector noise, spectral response, electrical behavior, and measurement methods.
Noise and bandwidth
What a Two-Frequency Noise Ratio Can Reveal About a Photoconductor
A practical, model-light method for comparing low-frequency excess noise using a lower test frequency and a higher flat-band reference without assuming an ideal 1/f spectrum.
Read articleHow to Read an HgCdTe (MCT) Noise Spectrum
A practical guide to separating 1/f, generation-recombination, Johnson, and measurement-chain contributions in HgCdTe detector noise spectra.
Read articleEquivalent Noise Bandwidth (ENBW): Converting Lock-In Noise to V/√Hz
A definition-first guide to ENBW, graphical interpretation, RMS-to-noise-density conversion, instrument-dependent coefficients, and practical infrared-detector measurement cautions.
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