Abstract
Enhancement of photoluminescence (PL) by IR light with energy as low as half the band gap is demonstrated to be a restoration of the fatigued PL induced by inter-band excitation radiation. At 6K in glassy As2Se3, an increase in the absorption coefficient in the band tail region which accompanies fatiguing of the PL is observed throughout the spectral range of the enhancement band (≅0.6 – 1.5 eV). Subsequent irradiation by IR light in the 0.6 – 1.5 eV range restores both the IR transmission in this range and the PL to their initial cold-dark values.
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© 1975 Plenum Press, New York
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Bishop, S.G., Strom, U. (1975). Optically Induced Effects in Photoluminescence Studies of Chalcogenide Glasses. In: Mitra, S.S., Bendow, B. (eds) Optical Properties of Highly Transparent Solids. Optical Physics and Engineering. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-2178-1_26
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DOI: https://doi.org/10.1007/978-1-4684-2178-1_26
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