Manufacturing of an coupled short wavelength infrared detector using infrared upconversion screens
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Abstract
CaS:Eu2+, Sm3+ infrared up-conversion screens were prepared by the gravity deposition method, the optimum preparation parameters of screens were determined and the properties of the infrared up- conversion screens were researched. A coupled short wavelength infrared CCD camera was designed and manufactured. The imaging properties were tested and the results show that the obtained coupled CCD camera is able to detect 1 064 nm and 1 550 nm. It would provide an efficient alternative technology for the short wavelength infrared detector through coupling the up-conversion fluorescence screens to the CCD cameras.
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