Gallo C F
Appl Opt. 1970 Dec 1;9(12):2711-6. doi: 10.1364/AO.9.002711.
A theoretical analysis of the behavior of 400-watt Hg + TlI arc lamps with variable mercury loadings is performed. It is quantitatively shown that, as the Hg loading is doubled, the following effects may be predicted: (a) the effective arc temperature decreases from 5100 K to 4800 K, (b) the effective radius increases by ~10%, (c) the escape factor for the imprisoned Tl 5350 A line increases ~40%, (d) the power radiated in the Tl 5350 A line increases ~10%, and (e) the power radiated in the Hg visible line decreases ~15%. These results are in agreement with the experimental observations of Larson. These effects result in an increase in the lumen-per-watt ratings, which is of technological significance. Self-absorption is an important factor in the radiation of the Tl 5350 A line, and it is shown that the experimental observations are reasonably consistent with the assumption of local thermodynamic equilibrium.
对具有可变汞负载量的400瓦汞+碘化铊弧光灯的行为进行了理论分析。定量结果表明，当汞负载量加倍时，可以预测以下效应：(a)有效电弧温度从5100 K降至4800 K，(b)有效半径增加约10%，(c)被困铊5350 Å谱线的逃逸因子增加约40%，(d)铊5350 Å谱线辐射的功率增加约10%，以及(e)汞可见谱线辐射的功率降低约15%。这些结果与拉森的实验观察结果一致。这些效应导致每瓦流明额定值增加，这具有技术意义。自吸收是铊5350 Å谱线辐射中的一个重要因素，并且表明实验观察结果与局部热力学平衡的假设合理地一致。
