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- W4385963220 abstract "This paper presents a new quantum efficiency setup based on a 2D motorized stage, a wide spectrum xenon lamp, a beam splitter system, and two calibrated photodiodes for measuring the quantum efficiency (QE) of photosensors from PMTs (1 to 10 inches) to SIPM and photodiodes. The large area covered by the 2D stages permit to study the quantum efficiency of a matrix of multichannel photosensors in an automated way and PMTs with diameter up to ten inches. The setup offers high precision and accuracy in characterizing the quantum efficiency versus wavelength over the range of 250 nm to 1100 nm and in two dimensions with a positioning precision of ten microns. The setup monitors the light intensity synchronously with the output current yield from photosensors under test. This ensures the accuracy and repeatability of the measurements. The motorized stage allows precise positioning of the light source with respect to the active area. Moreover, the emission spectrum of the xenon lamp provides a broad range of illumination in terms of dynamics and wavelength span." @default.
- W4385963220 created "2023-08-18" @default.
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- W4385963220 date "2023-08-01" @default.
- W4385963220 modified "2023-09-23" @default.
- W4385963220 title "A flexible quantum efficiency measurement device for photosensors testing" @default.
- W4385963220 doi "https://doi.org/10.48550/arxiv.2308.00866" @default.
- W4385963220 hasPublicationYear "2023" @default.
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