Measurement and analysis of upconversion rates of Er:YAG at room temperature

G. A. Newburgh; T. Sanamyan; M. Dubinskii

doi:10.1117/12.820043

9 May 2009 Measurement and analysis of upconversion rates of Er:YAG at room temperature

G. A. Newburgh, T. Sanamyan, M. Dubinskii

Proceedings Volume 7325, Laser Technology for Defense and Security V; 732503 (2009) https://doi.org/10.1117/12.820043
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

Abstract

We have measured upconversion fluorescence resulting from the excitation of room temperature 1% and 5% Er:YAG by a 1532 nm nanosecond pump source. Measurements of the fluorescence decay from the ⁴I_13/2, ⁴I_11/2, ⁴F_9/2 and ⁴S_3/2 manifolds to the ⁴I_15/2 ground state manifold were observed over a wide range of excitation pulse fluence values. A unique set of upconversion parameters were extracted from the measurements using a modification of the traditional rate equation model. Results of calculation are compared to measurement.

Citation Download Citation

G. A. Newburgh, T. Sanamyan, and M. Dubinskii "Measurement and analysis of upconversion rates of Er:YAG at room temperature", Proc. SPIE 7325, Laser Technology for Defense and Security V, 732503 (9 May 2009); https://doi.org/10.1117/12.820043

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