Dy3+ and Pr3+ doped GaGeSbS(Se) glasses provide good emission efficiencies in the mid IR. By using the 4.5µm emission of a Dy3+ doped GaGeSbS fiber, the CO2 gas concentration measurement is carried out successfully.
© 2011 OSA
J. Doualan, "Dy(Pr3+)doped GaGeSbS(Se) fibers for CO2 sensing at 4.35µm," in Advances in Optical Materials, OSA Technical Digest (CD) (Optical Society of America, 2011), paper AIThD3.
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