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Updated: Jun 17, 2026

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

The sensitivity of nonlinear detectors.

|January 14, 2010

Summary

This study defines differential and relative spectral sensitivities for radiation detectors. It clarifies how to define relative sensitivity when detector response is nonlinear, focusing on equal effects rather than equal causes.

Area of Science:

Physics
Instrumentation
Radiometry

Background:

The general concept of detector sensitivity is the ratio of effect to cause.
Understanding detector sensitivity is crucial for accurate radiation measurement.

Purpose of the Study:

To derive differential and relative spectral sensitivities for radiation detectors.
To address the definition of relative spectral sensitivity in cases of non-proportional detector response.

Main Methods:

Derivation of spectral sensitivity definitions based on the effect-to-cause ratio.
Analysis of conditions for defining relative spectral sensitivity when the effect is not proportional to the cause.

Main Results:

Formulation of differential and relative spectral sensitivities.

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Last Updated: Jun 17, 2026

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Measurement of Scattering Nonlinearities from a Single Plasmonic Nanoparticle

Published on: January 3, 2016

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

Demonstration that unrestricted relative spectral sensitivity requires defining based on equal effect, not equal cause, for non-linear responses.

Conclusions:

The derived definitions provide a framework for characterizing radiation detector spectral sensitivity.
The study highlights the importance of considering response linearity when defining relative spectral sensitivity.