Circularly polarized laser emission in optically active organic dye solutions.

Circularly polarized laser emission in optically active organic dye solutions.
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DOI:
10.1039/c7cp03303f
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发表时间:
2017-08-23
期刊:
Physical chemistry chemical physics : PCCP
影响因子:
--
通讯作者:
García-Moreno I
García-Moreno I
中科院分区:
其他
文献类型:
--
作者:
Cerdán L;Moreno F;Johnson M;Muller G;de la Moya S;García-Moreno I

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由于圆偏振激光在显示技术和先进显微技术中的应用前景,在光子器件中产生圆偏振激光辐射(CPLE)引起了人们越来越多的关注。有机系统在整个可见光谱中都是出色的激光材料,尽管其中许多显示出圆偏振发光(CPL),但迄今为止还没有显示出放大自己的CPL,更不用说产生CPLE了。因此,仍然需要找到替代的CPLE有机器件。在这里,我们展示了一个有效的战略,实现强大的水平CPLE(|闷闷不乐|~ 0.1-0.2),充分利用了强激光和偏振激光泵浦引起的动态双折射的潜力。本方法能够通过改变溶剂旋光活性的手性来改变CPLE手性,为开发具有成本效益且易于加工的手性光子材料开辟了新的途径。
The generation of circularly polarized laser emission (CPLE) in photonic devices has attracted increasing attention due to the prospects of using CP light in displaying technologies or advanced microscopies. Organic systems excel as laser materials across the whole visible spectrum, and despite many of them displaying circularly polarized luminescence (CPL), none have been shown thus far to amplify their own CPL, let alone generate CPLE. Consequently, there is still a need to find alternative CPLE organic devices. Herein we demonstrate an effective strategy for achieving strong levels of CPLE (|glum| ~ 0.1–0.2) by using solutions of an achiral dye dissolved in optically active solvents to exploit the full potential of the dynamic birefringence induced by the intense and polarized laser pumping. The present approach enables changing the CPLE handedness by changing the handedness of the solvent optical activity, opening new avenues for developing cost-effective and easily processable chiro-photonic materials.
DOI: 10.1021/acs.jpcc.7b00654
发表时间: 2017-03-09
期刊: The journal of physical chemistry. C, Nanomaterials and interfaces
影响因子: --
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