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相关概念视频

Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

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Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
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Thin-Walled Hollow Shafts01:15

Thin-Walled Hollow Shafts

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In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution of...
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相关实验视频

Updated: Dec 16, 2025

Microfabrication of Implantable Optics Integrated in a Microstructured Imaging Window for Advanced In Vivo Imaging
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微型钻孔空心纤维使用图像处理进行旋转对齐.

Eleanor A Warrington, Patrick S Salter, William O C Davis

    Optics express
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    此摘要是机器生成的。

    一种新的图像处理方法精确地对准空心反共振纤维中的微通道,以增强气体检测. 这种技术最大限度地减少了信号损失,并改善了诸如大气测绘等应用中的传感器性能.

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    Author Spotlight: Advancements in In Vivo and Ex Vivo Retinal Imaging for Improved Glaucoma Diagnosis and Treatment
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    Author Spotlight: Advancements in In Vivo and Ex Vivo Retinal Imaging for Improved Glaucoma Diagnosis and Treatment
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    科学领域:

    • 光纤技术是光纤技术的一种.
    • 光子学 是一个光子学.
    • 传感技术 传感技术

    背景情况:

    • 反共振空心纤维为气体检测提供高灵敏度,但面临着平衡灵敏度和响应时间的挑战.
    • 在这些纤维中制造微通道可以提高响应时间,但有可能损坏纤维的引导结构并导致信号损失.
    • 在不损害结构完整性的情况下访问光纤核心进行微通道集成是一个重大障碍.

    研究的目的:

    • 开发一种非侵入性方法来确定空心反共振纤维的旋转方向.
    • 为了在光纤的毛细血管间隙内实现精确的微通道制造,最大限度地减少光学损失.
    • 为了证明该方法在不同纤维类型和微通道设计中的适应性.

    主要方法:

    • 使用图像处理和交叉关联技术来确定光纤旋转方向,而无需直接访问截面.
    • 调整方法在涂层和未涂层的空心反共振纤维上得到了验证.
    • 使用开发的对齐技术,在商业和内部纤维中成功制造了5 × 50μm的微通道.

    主要成果:

    • 图像处理方法准确地确定了纤维的方向,允许精确地在毛细血管间隙之间插入微通道.
    • 微通道的制造是以最小的光学损失实现的,保留了纤维的引导性质.
    • 该方法在涂层和未涂层纤维上都被证明是有效的,涂层纤维在微型钻孔后显示出优越的结构完整性.

    结论:

    • 开发的图像处理和交叉关联方法为微通道集成提供了可靠的用于定向空心反共振纤维的可靠手段.
    • 这种技术有助于制造改进的气体传感器,减少响应时间和最小的信号损失.
    • 这种对齐方法有可能在光纤加工和先进传感系统的开发中得到更广泛的应用.