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Laser cooling and trapping of Yb from a thermal source | | Umakant D. Rapol
; Anusha Krishna
; Ajay Wasan
; Vasant Natarajan
; | | Date: |
5 Sep 2002 | | Journal: | Eur. Phys. J. D 29, 409--414 (2004) DOI: 10.1140/epjd/e2004-00041-3 | | Subject: | Atomic Physics | physics.atom-ph | | Abstract: | 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 $4 imes 10^5$ atoms into the trap. We find that the trap population is maximized near a detuning of $-1.5Gamma$ and field gradient of 75 G/cm. | | Source: | arXiv, physics/0209021 | | Services: | Forum | Review | PDF | Favorites | |
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