Abstract
In this paper, we report a new method to load \(^{40}\hbox {Ca}^{+}\) into ion traps. We show that the three-step photoionization process, which is stimulated by laser light at 423, 732 and 830 nm, can be realized by two lasers at 423 and 732 nm. Compared to the original three-step method, the new scheme has a more simple experimental setup and similar loading efficiency can be achieved with proper laser parameters. The loading efficiency as a function of the 732 nm laser power and detuning is also experimentally investigated.
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