A frequency comb is a spectrum of phase-coherent, evenly spaced narrow laser lines 1. The advent of frequency combs in the late 1990s has profoundly transformed the domain of time and frequency ...
Why is Diffuse Reflectance Spectroscopy Used? One of the main techniques for evaluating the optical properties of materials is optical absorption spectroscopy, or UV-vis spectroscopy. Most absorption ...
This paper presents a catalog of approximately 1800 Eclipsing W UMa systems (EWs) using parameters from LAMOST, VSX, ZTF and Gaia. Our detailed statistical analysis includes frequency distributions of ...
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