...非制冷红外探测器；衍射元件 中图分类号：TN219 文献标识码：A 文章编号：1001-8891(2009)04-0193-03 [gap=720]Key words：optical design；infrared optical system；uncooled infrared detectors；diffractive elements 75 mm 和 70 mm。在空间频率 20 lp/mm 处，对比两个 镜头得出，折衍混合物镜更优于传统的折射物镜。
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uncooled pyroelectric infrared detectors 非制冷热释电红外探测器
Pyroelectric material is one of the key sensitive materials of the uncooled infrared detectors.
热释电材料是非制冷红外探测器的关键敏感材料之一。
As the detecting material of uncooled infrared detectors, vanadium oxide (VOX) thin films need high temperature coefficient of resistance (TCR) and suitable film resistance for using of the device.
氧化钒薄膜作为非制冷红外探测器的热敏材料，要求具有高的电阻温度系数(TCR)与合适的电阻值，以满足器件的应用。
Uncooled bi-material infrared detectors have the potential of approaching the theoretical limit of noise equivalent difference in temperature because of its high sensitivity and low noise.
非致冷双材料室温红外探测器具有高响应率和低噪声的特点，噪声等效温差接近理论极限。
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