Yb3+ sensitized Tm3+ upconversion in tellurite lead oxide glass.

Yb3+ sensitized Tm3+ upconversion in tellurite lead oxide glass.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (2012-01-24)

Deepak Kumar Mohanty, Vineet Kumar Rai, Y Dwivedi

ABSTRACT

Triply ionized thulium/thulium--ytterbium doped/codoped TeO2-Pb3O4 (TPO) glasses have been fabricated by classical quenching method. The upconversion emission spectra in the Tm3+/Tm3+-Yb3+ doped/codoped glasses upon excitation with a diode laser lasing at ∼980 nm has been studied. Effect of the addition of the Yb3+ on the upconversion emission intensity in the visible and near infrared regions of the Tm3+ doped in TPO glass has been studied and the processes involved explored.

MATERIALS

Product Number

Brand

Product Description

203610

Sigma-Aldrich

Lead(II) oxide, 99.999% trace metals basis

211907

Sigma-Aldrich

Lead(II) oxide, powder, <10 μm, ReagentPlus^®, ≥99.9% trace metals basis

402982

Sigma-Aldrich

Lead(II) oxide, ACS reagent, ≥99.0%