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physics.optics2026
Continuous-wave 148.4-nm generation in strontium tetraborate for nuclear absorption spectroscopy
Hanlin Wang, Zhouzhi Tan, Conghui Huang +13
Continuous-wave light near 148.4 nm enables direct absorption spectroscopy of the thorium-229 nuclear transition. We demonstrate single-pass frequency doubling in strontium tetrabo…
physics.optics2026
Continuous-wave 148.4-nm generation in top-seeded solution-grown strontium tetraborate
Yanzhang Wu, Peng Yang, Lingfeng Yan +6
We report an implementation of continuous-wave (CW) vacuum-ultraviolet (VUV) generation at 148.4 nm by single-pass second-harmonic generation of 296.8 nm light in strontium tetrabo…