Visualiser of two-micron laser radiation based on Ho : CaF2 crystals

被引：24
|
作者：
Lyapin, A. A. [1 ]
Ryabochkina, P. A. [1 ]
Ushakov, S. N. [2 ]
Fedorov, P. P. [2 ]
机构：
[1] NP Ogarev Mordovian State Univ, Saransk 430005, Russia
[2] Russian Acad Sci, AM Prokhorov Gen Phys, Moscow 119991, Russia
来源：
QUANTUM ELECTRONICS | 2014年 / 44卷 / 06期
关键词：
Ho:CaF2 crystals; anti-Stokes luminescence; visualisation of IR radiation; UP-CONVERSION LUMINESCENCE; QUANTUM COUNTER ACTION; 2-PHOTON EXCITATION; FLUORESCENCE; SPECTROSCOPY; IONS;
D O I：
10.1070/QE2014v044n06ABEH015423
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The anti-Stokes luminescence spectra of Ho : CaF2 crystals corresponding to the (5)G(4) -> I-5(8), (5)G(5) -> I-5(8), F-5(3) -> I-5(8), F-5(4)(S-5(2)) -> I-5(8), F-5(5) -> I-5(8), S-5(2) -> I-5(7), I-5(4) -> I-5(8), I-5(5) -> I-5(8), F-5(5) -> I-5(7), F-5(3) -> I-5(6), I-5(6) -> I-5(8), F-5(5) -> I-5(6), and I-5(5) -> I-5(7) transitions upon excitation of the I-5(7) level of Ho3+ ions are studied. A method for visualisation of IR radiation in the two-micron range using Ho:CaF2 crystals is proposed. The energy efficiency of conversion of two-micron laser radiation to radiation in the red spectral range 620-690 nm by a 1 mol % HoF3:CaF2 crystal is estimated to be no higher than 0.02 %.
引用
收藏
页码：602 / 605
页数：4
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