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In-line digital holographic microscopy for terrestrial and exobiological research

机译：在线数字全息显微镜，用于陆地和外生物学研究

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摘要

We describe here a simple digital in-line holographic microscope (DIHM) that was used to investigate the microbial life forms that exist in perennial springs and glacial melt-water pools on Axel Heiberg Island at near 80°N latitude in the Canadian High Arctic. The instrument determined an upper limit of the density of microbial organisms in the springs and also found an abundance of algae and bacteria in the pools formed from glacial run off. The discovery of life in extra-terrestrial regions of our solar system has been the aim of several space missions. DIHM can capture the dynamics of objects throughout an imaging volume with wavelength limited resolution. The simplicity of DIHM technology furthermore allows the construction of very light-weight and rugged instruments that we believe can be easily adapted for space missions and exobiological studies.
机译：我们在这里描述了一种简单的数字在线全息显微镜（DIHM），该显微镜用于调查加拿大高北极地区北纬80°左右的Axel Heiberg岛上多年生温泉和冰川融水池中存在的微生物生命形式。该仪器确定了温泉中微生物的密度上限，并且还发现了由冰川径流形成的水池中有大量藻类和细菌。在我们太阳系的地球外区域发现生命一直是几次太空飞行的目标。 DIHM可以以有限的波长分辨率在整个成像空间中捕获物体的动态。 DIHM技术的简单性还使得我们可以构建非常轻巧且坚固的仪器，我们认为这些仪器很容易用于太空任务和外生物学研究。

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  • 来源
    《Planetary and space science》 |2010年第4期|p.701-705|共5页
  • 作者

    S.K. Jericho; P. Klages; J. Nadeau; E.M. Dumas; M.H.Jericho; H.J. Kreuzer;

  • 作者单位

    Department of Physics and Atmospheric Science, Dalhousie University, Halifax N.S., Canada B3H 3J5;

    rnDepartment of Physics and Atmospheric Science, Dalhousie University, Halifax N.S., Canada B3H 3J5;

    rnDepartment of Biomedical Engineering, McGill University, 3775 Rue University, Montreal QC, Canada H3A 2B4;

    rnDepartment of Biomedical Engineering, McGill University, 3775 Rue University, Montreal QC, Canada H3A 2B4;

    rnDepartment of Physics and Atmospheric Science, Dalhousie University, Halifax N.S., Canada B3H 3J5;

    rnDepartment of Physics and Atmospheric Science, Dalhousie University, Halifax N.S., Canada B3H 3J5;

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  • 正文语种 eng
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  • 关键词

    exobiology; microscopy; holography; bacteria; aquatic life forms; europa;

    机译：外生物学显微镜全息术菌;水生生物形式;欧罗巴;

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