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OPTICAL SYSTEM ENABLING LOW POWER EXCITATION AND HIGH SENSITIVITY DETECTION OF NEAR INFRARED TO VISIBLE UPCONVERSION PHOSHORS
OPTICAL SYSTEM ENABLING LOW POWER EXCITATION AND HIGH SENSITIVITY DETECTION OF NEAR INFRARED TO VISIBLE UPCONVERSION PHOSHORS
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机译:光学系统可实现近红外可见上转换磷光体的低功率激励和高灵敏度检测
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摘要
A simple yet high performance optical system is described which is tailored to enabling efficient detection of the luminescence emissions of near infrared-to-visible upconverting phosphors. The system is comprised of simple and relatively low cost optical components and is designed to telecentrically enable low optical power NIR excitation and high sensitivity VIS and NIR detection of the upconverting phosphor (UCPs), particularly the lanthanide doped UCP nanocrystals which show great promise for utility as molecular taggants in many applications of biomedicine, security and environmental monitoring. The overall system is designed to facilitate compact spectrophotometric instrument manufacture and is adaptable to multiple liquid or solid sample types and formats.
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