3 papers
physics.optics2026
Record nonlinear conversion efficiency in the production of high spectral purity vacuum ultraviolet laser at 148 nm
Sergey Vasilyev, Tian Ooi, Igor Moskalev +14
Coherent vacuum-ultraviolet (VUV) lasers are indispensable for precision measurement, quantum optics, and materials science. Recent high-resolution spectroscopy of the Th-229 nucle…
physics.optics2026
Long-wave infrared Fourier transform spectroscopy with enhanced and scalable sensitivity
Sergey Vasilyev, Roderik Krebbers, Dmitrii Konnov +7
We report a broadband long-wave infrared Fourier transform spectrometer with sensitivity exceeding that of previously reported direct-detection implementations. The system combines…
physics.optics2025
Bridging Mid-IR and Terahertz Domains in a Single High-Resolution Dual-Comb Spectroscopy Measurement
D. Konnov, A. Muraviev, K. L. Vodopyanov
Dual-comb spectroscopy (DCS) utilizes a pair of broadband mutually coherent laser frequency combs to enable high-resolution, high-accuracy spectroscopic measurements with atomic-cl…