Fig. 5 | Nature Communications

Fig. 5

From: Tailoring near-field thermal radiation between metallo-dielectric multilayers using coupled surface plasmon polaritons

Fig. 5

Investigation of manipulated near-field radiative heat flux by modifying surface condition with MD multilayers. a Computed spectral heat flux between Ti/MgF2 multilayers (f = 0.1 and 0.23) and bulk Ti media (f = 1) at vacuum gap distance of 400 nm. The temperatures of the emitter and receiver are set to 370 K and 300 K, respectively. b, c As in a, but for p-polarized and s-polarized spectral heat flux, respectively. d Computed \(S_{\beta ,\omega }^p\) between bulk Ti media for vacuum gap distance of 400 nm and temperature of emitter and receiver conditions described in a. A larger value of \(S_{\beta ,\omega }^p\) is observed along the plotted SPP dispersion curve. e, f As in d, but between MD multilayers, which have volume filling ratios of 0.1 and 0.23

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