Coherent Excitation in the Antenna Complex

Article Abstract:

The molecular factory known as the reaction center is responsible for photosynthesis, and can perform the transformation of light into chemical energy at a high rate, using antenna complexes that funnel light energy. Research on the LH2 protein antenna complex reveals more details of its function in photosynthesis.

United States, Statistical Data Included, Photosynthesis research, Bacteria, Photosynthetic, Photosynthetic bacteria

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Coherent exciton waves

Article Abstract:

Researchers in Palaiseau, France and Ottawa, Canada have succeeded in getting excitons to propagate coherently. A beam of photons with visible wavelength can thus pass through an aperture as small as 10 Angstroms wide, by converting to excitons and back into photons.

Exciton theory, Excitons, Photon beams

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Imaging: tissue optics

Article Abstract:

In situ optical coherence tomography (OCT) is a rapidly expanding science, with potential applications far beyond current transillumination diagnostic tools. Current OCT research, and limitations, are analyzed.

Optical tomography

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