论文标题
通过IR激发和分子束的光解共线的高度核旋转分子的宏观产生
Macroscopic production of highly nuclear-spin-polarized molecules from IR-excitation and photodissociation of molecular beams
论文作者
论文摘要
纯高核旋转分子仅通过分子束分离方法产生，生产率高达$ {\ sim} 3 {\ times} 10^{12} $ s $ s $^{ - 1} $。在这里，我们提出了从分子束的IR激发和光解离的自旋分子光碎片的生产，生产率接近$ 10^{21} $ s $ s $ s $^{ - 1} $的桌面-IR-激光光子通量。我们分别从甲醛和甲醛和甲醛束生产自旋分子氢和水同位素的产生详细信息。这些分子的宏观数量对于NMR信号增强和核融合反应器的需求至关重要，以增加D-T或D-$^{3} $，而不是$ {\ sim} 50 {\％} $，将核融合横截面提高不偏振核融合截面。
Pure, highly nuclear-spin-polarized molecules have only been produced with molecular beam-separation methods, with production rates up to ${\sim}3{\times}10^{12}$ s$^{-1}$. Here, we propose the production of spin-polarized molecular photofragments from the IR-excitation and photodissociation of molecular beams, with production rates approaching the tabletop-IR-laser photon fluxes of $10^{21}$ s$^{-1}$. We give details on the production of spin-polarized molecular hydrogen and water isotopes, from formaldehyde and formic acid beams, respectively. Macroscopic quantities of these molecules are important for NMR signal enhancement, and for the needs of a nuclear fusion reactor, to increase the D-T or D-$^{3}$He unpolarized nuclear fusion cross section by ${\sim}50{\%}$.
