quantum efficiency


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quantum efficiency

A measure of the efficiency of conversion or utilization of light or other radiation. It is given by the proportion of incident photons, of a particular frequency, that are converted by a device into a useful form, such as a permanent record. Photographic emulsions, at best, record only a few photons out of every thousand falling on them. Electronic detectors have a much higher efficiency.

quantum efficiency

[′kwän·təm i‚fish·ən·sē]
(electronics)
The average number of electrons photoelectrically emitted from a photocathode per incident photon of a given wavelength in a phototube.
References in periodicals archive ?
The values of the internal quantum efficiency were fitted to the model discussed by Gentile et al.
A major advantage of the evaluation of the CL emission curve at specific points compared to the evaluation of absolute emissions is the independence of the quantum efficiency of the respective CL emitting system.
The CoolSNAP MYO and KINO cameras are a stepped change in superior spatial resolution and higher quantum efficiency, making better science possible," said Rachit Mohindra, Photometrics product manager.
Correction factors are needed which reflect any change in quantum efficiency as a function of labeling density of the fluorophore [20-22].
Part 2: Layout of solar simulators with instrumentation to measure the current-voltage characteristics and quantum efficiency.
Built on OmniVision's 3-micron OmniPixel3-HS technology, the OV7676 achieves best-in-class low-light sensitivity, signal-to-noise ratio, full-well capacity, quantum efficiency and low-power consumption.
GaInP cells have high quantum efficiency in wavelengths between 400 and 700 nanometers (visible light) and intrinsically low dark current, which is critical for high efficiency in lowlight conditions.
By integrating sphere (integration sphere) quantitative measurements for the determination of quantum efficiency and energy efficiency can be made.
The captivating features of the new Basler ace camera with the IMX174 sensor are high quantum efficiency, wide dynamic range, and extremely low noise.
Based on XIMEA's more than 20 years' experience building ultra-compact cameras, the MQ series offers the latest, highest-grade CMOS sensors with global shutter and improved quantum efficiency in the visible and NIR spectral ranges, resolutions from VGA to 4 Megapixels, and frame rates of up to 600 fps.
Imec s new ARC, targeting the UV range, shows excellent performance at near UV wavelengths, with Quantum Efficiency (Q.

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