Near-infrared laser operation of Cr3+ centers in chromium-doped LiInGeO4 and LiScGeO4 crystals

被引：0
作者：
Sharonov, M [1 ]
Petricevic, V
Bykov, A
Alfano, RR
机构：
[1] CUNY City Coll, Inst Ultrafast Spect & Lasers, Dept Phys, New York, NY 10031 USA
[2] CUNY Grad Sch, Inst Ultrafast Spect & Lasers, Dept Phys, New York, NY 10031 USA
来源：
OPTICS LETTERS | 2005年 / 30卷 / 08期
关键词：
D O I：
10.1364/OL.30.000851
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Laser action has been demonstrated in two new tunable Cr3+-doped crystals. Absorption, emission, and excitation measurements for various crystal orientations have been performed for chromium-doped LiInGeO4 and LiScGeO4 single crystals. From the spectroscopic measurements, two optical active centers were identified: tetrahedrally coordinated Cr4+ and octahedrally coordinated Cr3+. Gain-switched, tunable laser operation of Cr3+ centers has been demonstrated in both crystals. An ultrawide tuning range from 1150 to 1480 nm for LiInGeO4 and 1220-1380 nm for LiScGeO4 has been achieved. To our knowledge this is the widest bandwidth and the most near-infrared shifted wavelength range for lasing ever demonstrated for Cr3+ ions. (c) 2005 Optical Society of America.
引用
收藏
页码：851 / 853
页数：3
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