These are pictures from the experiment I performed at the International Institute of Biophysics in Neuss, Germany last month. It was an experiment in delay luminescence, a phenomenon known as photon emission by living systems after stimulation by visible radiation. The green pictures are screenings of light emitted by living plants. The equipment used in this experiment consisted of a CCD camera integrated to a multi-channel plate (MCP) and a dark chamber. Living organisms are put inside the chamber in order to be imaged. When photons are emitted by the plant they are captured by the MCP and registered on a CCD camera. The final picture is shown on a computer monitor.
More images at Flickr
When the red light is on, the chamber's interior is illuminated by a little white LED. The plant absorb this light an emit it back. This is called delay luminescence.
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