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Femtosecond laser 3D printed micro objective lens for ultrathin fiber endoscope
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作者 Bozhe Li Changrui Liao +8 位作者 Zhihao Cai Jie Zhou Cong Zhao Liqing Jing Jiaqi Wang Cong Xiong Lei Xu Ying Wang Yiping Wang 《Fundamental Research》 CAS CSCD 2024年第1期123-130,共8页
The most important optical component in an optical fiber endoscope is its objective lens.To achieve a high imaging performance level,the development of an ultra-compact objective lens is thus the key to an ultra-thin ... The most important optical component in an optical fiber endoscope is its objective lens.To achieve a high imaging performance level,the development of an ultra-compact objective lens is thus the key to an ultra-thin optical fiber endoscope.In this work,we use femtosecond laser 3D printing to develop a series of micro objective lenses with different optical designs.The imaging resolution and field-of-view performances of these printed micro objective lenses are investigated via both simulations and experiments.For the first time,multiple micro objective lenses with different fields of view are printed on the end face of a single imaging optical fiber,thus realizing the perfect integration of an optical fiber and objective lenses.This work demonstrates the considerable potential of femtosecond laser 3D printing in the fabrication of micro-optical systems and provides a reliable solution for the development of an ultrathin fiber endoscope. 展开更多
关键词 Femtosecond laser Two-photon polymerization 3D printing Micro objective lens Fiber endoscope
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