Is there a proper figure of merit for a plasmonic structure involved in metal-enhanced fluorescence?
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arXiv
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| Format: | Preprint |
| Published: |
2021
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| _version_ | 1866911758666432512 |
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| author | Rasskazov, Ilia L. Moroz, Alexander |
| author_facet | Rasskazov, Ilia L. Moroz, Alexander |
| contents | A suitability of a nanostructure for a metal-enhanced fluorescence (MEF) is usually assessed from the value of the maximal fluorescence enhancement factor, $\mathcal{F}$, which it can generate. However, $\mathcal{F}$ is an ambiguous quantity which may dramatically depend on the intrinsic quantum yield, $q_0$, of the emitter in a free space. Here we suggest $\mathcal{F}=\mathcal{F}_{q_0=1}$ taken in the limiting case of $q_0=1$ as a proper figure of merit for a plasmonic structure involved in MEF. Any other realistic $\mathcal{F}$ in the MEF regime can be recovered from $\mathcal{F}_{q_0=1}$ by a simple $1/q_0$ scaling. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2111_02294 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Is there a proper figure of merit for a plasmonic structure involved in metal-enhanced fluorescence? Rasskazov, Ilia L. Moroz, Alexander Optics A suitability of a nanostructure for a metal-enhanced fluorescence (MEF) is usually assessed from the value of the maximal fluorescence enhancement factor, $\mathcal{F}$, which it can generate. However, $\mathcal{F}$ is an ambiguous quantity which may dramatically depend on the intrinsic quantum yield, $q_0$, of the emitter in a free space. Here we suggest $\mathcal{F}=\mathcal{F}_{q_0=1}$ taken in the limiting case of $q_0=1$ as a proper figure of merit for a plasmonic structure involved in MEF. Any other realistic $\mathcal{F}$ in the MEF regime can be recovered from $\mathcal{F}_{q_0=1}$ by a simple $1/q_0$ scaling. |
| title | Is there a proper figure of merit for a plasmonic structure involved in metal-enhanced fluorescence? |
| topic | Optics |
| url | https://arxiv.org/abs/2111.02294 |