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Infrared and red luminescence from Ho 3+ ions embedded in PbO-Bi 2 O 3 -Ga 2 O 3 -BaO glass hosts is reported for room and helium liquid temperatures. The substantial influence of energy transfer processes between the host and Ho 3+ ions is shown experimentally through the dependences of photoluminescence on light polarization and excitation...
Infra-red luminescence (at wavelengths about 1600 and 2500nm) from Er 3+ ions embedded in PbO-Bi 2 O 3 -Ga 2 O 3 -BaO glass hosts is reported for room and helium liquid temperatures. The substantial influence of energy transfer processes between the host and Er 3+ ions is shown experimentally through the dependences of photoluminescence on...
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