Details

Autor(en) / Beteiligte

• Zhang, Yun
• Liu, Jia-Min
• Liu, Mei-Hong
• Zhang, Zi-Bo
• Wong, Wing-Han
• Zhang, De-Long

Titel

Error evaluation of Judd-Ofelt spectroscopic analysis

Ist Teil von

• Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 2020-10, Vol.239, p.118536, Article 118536

Ort / Verlag

Elsevier B.V

Erscheinungsjahr

2020

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• Judd-Ofelt (J-O) spectroscopic knowledge of a rare-earth-doped luminescent material is crucial to its application. Although a large number of papers with regard to the J-O study of various rare-earth-doped luminescent materials have been reported each year, few papers presented the errors of the J-O intensity parameters Ωi (i = 2, 4, 6) and radiative probabilities evaluated from them. Present study focuses on the error evaluation of the J-O parameters and radiative probabilities. An error theory is established for the J-O analysis and radiative probability. Two error analysis methods based on root mean square of the difference either between measured and calculated oscillator strengths (δfrms) or between measured and calculated line strengths (δSrms) are studied. Explicit error expressions are presented for the J-O parameters and radiative probability. The validity of the theory is verified by applying it to widely studied Er3+, Tm3+, Ho3+ and Nd3+ ions that are doped into four single-crystals (LiNbO3, SrGdGa3O7, LiYF4 and YVO4) and a glass. The two methods are identical in nature and give similar results of errors of Ωi.