Frequency and Thermal Behavior of Acoustic Absorption in ε-GaSe Crystals
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DOI: 10.1007/s11182-018-1339-0
Abstract: The paper presents results of measuring acoustic absorption in ε-GaSe crystals. The absorption of a longitudinal wave which propagates normal to the crystal layers, quadratically depends on frequency. However, it does not depend on temperature,… read more here.
Keywords: absorption; acoustic absorption; gase crystals; frequency ... See more keywords
Frequency conversion, nonlinear absorption and carrier dynamics of GaSe:B/Er crystals
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DOI: 10.1016/j.optmat.2017.02.007
Abstract: Abstract We aimed to investigate the influence of Er3+ rare earth element on the frequency conversion wavelength in boron doped GaSe crystals. It was found that by substitution of Er3+ with B3+, SHG signal shifted… read more here.
Keywords: gase; frequency conversion; nonlinear absorption; gase crystals ... See more keywords