Tunable VUV frequency comb for 229mTh nuclear spectroscopy

Autor: Chuankun Zhang, Peng Li, Jie Jiang, Lars von der Wense, John F. Doyle, Martin E. Fermann, Jun Ye
Rok vydání: 2022
Předmět:
Zdroj: Optics Letters. 47:5591
ISSN: 1539-4794
0146-9592
DOI: 10.1364/ol.473006
Popis: Laser spectroscopy of the 229mTh nuclear clock transition is necessary for the future construction of a nuclear-based optical clock. Precision laser sources with broad spectral coverage in the vacuum ultraviolet are needed for this task. Here, we present a tunable vacuum-ultraviolet frequency comb based on cavity-enhanced seventh-harmonic generation. Its tunable spectrum covers the current uncertainty range of the 229mTh nuclear clock transition.
Databáze: OpenAIRE