Realizing three-step photoionization of calcium by two lasers

Realizing three-step photoionization of calcium by two lasers

In this paper, we report a new method to load 40 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...

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Veröffentlicht in:Applied physics. B, Lasers and optics Lasers and optics, 2017, Vol.123 (1), p.1-5, Article 45
Hauptverfasser: Zhang, Jie, Xie, Yi, Liu, Peng-fei, Ou, Bao-quan, Wu, Wei, Chen, Ping-xing
Format: Artikel
Sprache:eng
Schlagworte:
Applied physics
Calcium
Engineering
Ion traps (instrumentation)
Lasers
Optical Devices
Optics
Photoionization
Photonics
Physical Chemistry
Physics
Physics and Astronomy
Quantum Optics
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Beschreibung
Zusammenfassung:In this paper, we report a new method to load 40 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.
ISSN:0946-2171
1432-0649
DOI:10.1007/s00340-016-6618-2