In-line digital holographic microscopy for terrestrial and exobiological research

Details In-line digital holographic microscopy for terrestrial and exobiological research In-line digital holographic microscopy for terrestrial and exobiological research

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010p%26ss...58..701j&link_type=abstract

Planetary and Space Science, Volume 58, Issue 4, p. 701-705.

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Scientific paper

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.

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