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首页> 外文期刊>Optics Letters >Emission beyond 4 mu m and mid-infrared lasing in a dysprosium-doped indium fluoride (InF3) fiber
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Emission beyond 4 mu m and mid-infrared lasing in a dysprosium-doped indium fluoride (InF3) fiber

机译:在掺杂剂掺杂的氟化铟(INF 3)纤维中超过4μm和中红外激光的发射

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摘要

Optical emission from rare-earth-doped fluoride fibers has thus far been limited to less than 4 mu m. We extend emission beyond this limit by employing an indium fluoride (InF3) glass fiber as the host, which exhibits an increased infrared transparency over commonly used zirconium fluoride (ZBLAN). Near-infrared pumping of a dysprosium-doped InF3 fiber results in broad emission centered around 4.3 mu m, representing the longest emission yet achieved from a fluoride fiber. The first laser emission in an InF3 fiber is also demonstrated from the 3 mu m dysprosium transition. Finally, a frequency domain excited state lifetime measurement comparison between fluoride hosts suggests that multiphonon effects are significantly reduced in indium fluoride fiber, paving the way to more efficient, longer wavelength lasers compared to ZBLAN fibers. (C) 2018 Optical Society of America
机译:稀土掺杂氟化物纤维的光学发射迄今为止仅限于小于4μm。 通过使用氟化铟(INF 3)玻璃纤维作为宿主来延长超出该限制的发射,这表现出常用的含有锆氟化物(ZBLAN)的红外透明度增加。 近红外泵送镝掺杂的INF3纤维的宽度发射中心为4.3μm,表示由氟化物纤维实现的最长发射。 还从3μM的镝转变中证明了INF3纤维中的第一种激光发射。 最后,氟化物宿主之间的频域激发态寿命测量比较表明,与Zblan纤维相比,氟化铟纤维中的多光效应显着降低,铺平了更有效的,更长的波长激光器。 (c)2018年光学学会

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