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首页> 外文期刊>Optics Letters >Fabrication of large curvature microlens array using confined laser swelling method
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Fabrication of large curvature microlens array using confined laser swelling method

机译：局限激光溶胀法制备大曲率微透镜阵列

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摘要

This Letter proposes a confined laser swelling method to fabricate large curvature microlens arrays. Unlike the polymers in conventional free laser swelling, the swelling polymer, which is methyl red-doped polymethyl methacrylate here, is confined between walls formed by a substrate and a flexible cover layer. Because swelling occurs in an enclosed space, decomposed segments remain in the matrix, resulting in a large hump at the side of the flexible cover layer. The results show that these humps are tens of times higher than those acquired by conventional methods and this method has potential for high efficiency large curvature microlens fabrication.
机译：这封信提出了一种限制激光膨胀的方法来制造大曲率微透镜阵列。与传统的自由激光溶胀中的聚合物不同，溶胀聚合物（此处为掺杂甲基红的聚甲基丙烯酸甲酯）被限制在由基材和柔性覆盖层形成的壁之间。因为膨胀发生在封闭的空间中，所以分解的片段保留在基体中，从而导致柔性覆盖层一侧的驼峰很大。结果表明，这些驼峰比常规方法获得的驼峰高几十倍，并且该方法具有高效大曲率微透镜制造的潜力。

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