首页> 外文期刊>Japanese Journal of Applied Physics. Part 1, Regular Papers, Brief Communications & Review Papers >Evaluation of Optical Properties for Development of Ultrahigh-Resolution Flexible Contact Endoscope
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Evaluation of Optical Properties for Development of Ultrahigh-Resolution Flexible Contact Endoscope

机译:开发超高分辨率柔性接触式内窥镜的光学性能评估

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摘要

In this study, a new flexible contact endoscope that is similar to a fiber-optic ultrathin endoscope is examined. Using a new optical design with a 0.23 pitch gradient index lens and an ultrathin fiber-optic image guide, we have obtained 228 line pairs/mm ultrahigh-resolution images. The resolution and magnification of the obtained images are measured and analyzed. Also, the relationship between magnification and the working distance from the target to the gradient index (GRIN) lens using GRIN lenses of different pitch lengths is determined. Finally, we have taken an image of red blood corpuscles of 6-9 μm average size.
机译:在这项研究中,研究了一种类似于光纤超薄内窥镜的新型柔性接触内窥镜。使用具有0.23间距梯度折射率透镜和超薄光纤图像导轨的新光学设计,我们已经获得了228条线对/毫米的超高分辨率图像。测量并分析所获得图像的分辨率和放大倍数。此外,使用不同节距长度的GRIN透镜确定放大倍率与从目标到梯度折射率(GRIN)透镜的工作距离之间的关系。最后,我们拍摄了平均大小为6-9μm的红血球图像。

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