Study of the thermal-optics parameters of Nd3+-doped phosphate glass as a function of temperature

J. C. Filho; V. Pilla; D. N. Messias; S. A. Lourenço; A. C. A. Silva; N. O. Dantas; A. A. Andrade

doi:10.1117/12.2250217

16 February 2017 Study of the thermal-optics parameters of Nd³⁺-doped phosphate glass as a function of temperature

J. C. Filho, V. Pilla, D. N. Messias, S. A. Lourenço, A. C. A. Silva, N. O. Dantas, A. A. Andrade

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Proceedings Volume 10100, Optical Components and Materials XIV; 101001V (2017) https://doi.org/10.1117/12.2250217
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

The spectroscopic properties of rare earth ions in many different hosts have been investigated, including surveys of Nd³⁺ in silicate, phosphate, fluorophosphates and fluoride glasses. Some of the thermal-optical properties of materials are influenced by temperature change, such as thermal diffusivity, specific heat and luminescence quantum efficiency. In this work the luminescence quantum efficiency of PANK: Nd³⁺, as a function of temperature (80- 480 K), was investigated using the normalized lifetime thermal lens technique. This system presents high quantum efficiency at low Nd³⁺ concentration and at ambient temperature, ~100%, which decrease as temperature increase. Below room temperature the effects are not in accord with the maximum value of η, which must be unity.

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J. C. Filho, J. C. Filho, V. Pilla, V. Pilla, D. N. Messias, D. N. Messias, S. A. Lourenço, S. A. Lourenço, A. C. A. Silva, A. C. A. Silva, N. O. Dantas, N. O. Dantas, A. A. Andrade, A. A. Andrade, } "Study of the thermal-optics parameters of Nd³⁺-doped phosphate glass as a function of temperature", Proc. SPIE 10100, Optical Components and Materials XIV, 101001V (16 February 2017); doi: 10.1117/12.2250217; https://doi.org/10.1117/12.2250217

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