标题： 镱的激光冷却和捕获来自热源 显示英文标题

标题： Laser cooling and trapping of Yb from a thermal source

摘要： 我们已成功从热源中加载了Yb原子的磁光陷阱，而无需使用Zeeman减速器。 该热源放置在捕获区域附近，以提供大量可冷却和捕获的原子。 原子在${^1S_0} \leftrightarrow {^1P_1}$转换波长398.8 nm处被冷却。 我们已将Yb的所有七种稳定同位素加载到陷阱中。 对于最丰富的同位素（$^{174}$Yb），我们在1秒内加载了超过$10^7$个原子。对于稀有同位素（$^{168}$Yb），其自然丰度仅为0.13%，我们仍加载了约$4 \times 10^5$个原子到陷阱中。 我们发现，当失谐接近$-1.5\Gamma$且磁场梯度为75 G/cm时，陷阱中的原子数达到最大值。 显示英文摘要

摘要： We have successfully loaded a magneto-optic trap for Yb atoms from a thermal source without the use of a Zeeman slower. The source is placed close to the trapping region so that it provides a large flux of atoms that can be cooled and captured. The atoms are cooled on the ${^1S_0} \leftrightarrow {^1P_1}$ transition at 398.8 nm. We have loaded all seven stable isotopes of Yb into the trap. For the most abundant isotope ($^{174}$Yb), we load more than $10^7$ atoms into the trap within 1 s. For the rarest isotope ($^{168}$Yb) with a natural abundance of only 0.13%, we still load about $4 \times 10^5$ atoms into the trap. We find that the trap population is maximized near a detuning of $-1.5\Gamma$ and field gradient of 75 G/cm.