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最清晰的图像 每英寸10万个像素点


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如上图这一图像在每英寸距离上可以有10万个像素点,这是光学分辨领域无法超越的理论极限。这是一幅常用作图像测试的彩色女子头像“Lena Söderberg”,整幅头像大小只有50微米见方,它的清晰程度达到光学分辨率的理论极限,即在每250纳米距离上安放一个像素点。

不过,用这种技术制成的图像已经远超出人眼的分辨能力,要用光学显微镜才能分辨,而它的分辨率也已经达到了光学显微镜的极限。

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