Figure 3 | Scientific Reports

Figure 3

From: Directional emission of white light via selective amplification of photon recycling and Bayesian optimization of multi-layer thin films

Figure 3

(a) The weighting function (3) for \(a = - \,634914.5425\) and \(b = 3.3900\). The dark lines emphasize the condition \(W(0.01) = 0.9\). (b) The ray tracing estimates for the reference design based on different numbers of traced rays (\(10 \times 10^3\), \(50 \times 10^3\) and \(100 \times 10^3\)) is started 15 times. The conversion material weight percentages remained unchanged. As expected, the corresponding boxplots indicate that the noise level decreases with an increasing number of rays traced. The horizontal dashed line indicates the reference power obtained with \(10^6\) rays. This noise effect holds for the estimated color point \(\left( C_x, C_y \right)\), too.

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