White light emission characteristics of europium doped fluoride crystals

B. Rami Reddy; Tomeka Colon

doi:10.1117/12.2001700

11 March 2013 White light emission characteristics of europium doped fluoride crystals

B. Rami Reddy, Tomeka Colon

Proceedings Volume 8621, Optical Components and Materials X; 86210O (2013) https://doi.org/10.1117/12.2001700
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

Under 405 nm diode laser excitation Europium doped Lanthanum fluoride glows bright white and revealed numerous wavelengths in the blue, green and red regions of the electromagnetic spectrum. These lines were emitted from ⁵D_J (J=0, 1, 2 and 3) to ⁷F_J (J=0, 1, 2, 3, 4, 5, and 6) levels. For the same excitation conditions Europium doped Calcium fluoride glows white with abundant blue emission and some yellow light. These materials appear to be promising candidates for solid state white light sources. Emission characteristics are described in detail.

Citation Download Citation

B. Rami Reddy and Tomeka Colon "White light emission characteristics of europium doped fluoride crystals", Proc. SPIE 8621, Optical Components and Materials X, 86210O (11 March 2013); https://doi.org/10.1117/12.2001700

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