Crystal growth and spectroscopic studies of Nd-doped apatite crystals as active media for 944.11-nm laser

Mikhail A. Noginov; George B. Loutts; B. Lucas; D. Fider; Patrick T. Higgins; A. Truong; Natalia E. Noginova; Norman P. Barnes; Stefan Kueck

doi:10.1117/12.382788

14 April 2000 Crystal growth and spectroscopic studies of Nd-doped apatite crystals as active media for 944.11-nm laser

Mikhail A. Noginov, George B. Loutts, B. Lucas, D. Fider, Patrick T. Higgins, A. Truong, Natalia E. Noginova, Norman P. Barnes, Stefan Kueck

Author Affiliations +

Proceedings Volume 3929, Solid State Lasers IX; (2000) https://doi.org/10.1117/12.382788
Event: Symposium on High-Power Lasers and Applications, 2000, San Jose, CA, United States

Abstract

We have grown neodymium doped mixed apatite crystals, (Sr_xBa_{1- x})₅(PO₄)₃F, Sr₅(P_1-xV_xO₄)₃F, and Ba₅(P_1-xV_xO₄)₃F, and spectroscopically studied them as potential gain media for a laser source for atmospheric water sensing operating at 944.11 nm. We conclude that an appropriate apatite host material for a 944.11 nm laser should be a mixture of Sr₅(PO₄)₃F with a small fraction of Ba₅(PO₄)₃F. The precise wavelength tuning around 944.11 nm can be accomplished by varying the host composition, temperature, and threshold population inversion. In apatite crystals of mixed composition, the amplified spontaneous emission loss at 1.06 micrometers is predicted to be significantly smaller than that in the end members.

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Mikhail A. Noginov, George B. Loutts, B. Lucas, D. Fider, Patrick T. Higgins, A. Truong, Natalia E. Noginova, Norman P. Barnes, and Stefan Kueck "Crystal growth and spectroscopic studies of Nd-doped apatite crystals as active media for 944.11-nm laser", Proc. SPIE 3929, Solid State Lasers IX, (14 April 2000); https://doi.org/10.1117/12.382788

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