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Self-amplification of supercritical angle fluorescence using multiple emitters at a dielectric-dielectric interface

机译:在介电-介电界面使用多个发射器对超临界角荧光进行自放大

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摘要

Super-critical angle fluorescence (SAF) generated from an ensemble of emitters overlying a high-contrast dielectric -dielectric interface is discussed. At increased excitation, signatures of self-amplification of the SAF were observed, which differed from the emission properties of normal fluorescence generated within the critical angle. Contrasting behavior was observed between the SAF and normal fluorescence with respect to bandwidth narrowing for varying gain lengths. Power-law variation was recovered for the peak intensity as a function of excitation energy. Upon disturbance of pristine conditions of the interface, the signatures of the self-amplified SAF were lost. (C) 2015 Optical Society of America
机译:讨论了由覆盖高对比度介电-介电界面的一组发射器产生的超临界角荧光(SAF)。在增加的激发下,观察到SAF的自扩增特征,这与在临界角内产生的正常荧光的发射特性不同。对于不同的增益长度,在带宽变窄方面,SAF和正常荧光之间观察到相反的行为。恢复了峰强度随激励能量变化的幂律变化。在界面的原始条件受到干扰时,自放大SAF的签名丢失。 (C)2015年美国眼镜学会

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