Compact green Ti:sapphire astro-comb with a 43 GHz repetition frequency
نویسندگان
چکیده
A compact green astro-comb with 43-GHz repetition rate is developed based on a Ti:Sapphire optical frequency comb (OFC) and mode-selecting cavity. The OFC's large of 1.6 GHz eases the requirements for Unnecessary frequency-modes OFC are suppressed down to $5 \times 10^{-4}$ at 535 nm - 550 using single cavity 70-MHz linewidth. radial velocity precision $\sigma \sim 1.4$ m/s achieved High Dispersion Echelle Spectrosraph Okayama 188-cm telescope National Astronomical Observatory Japan our astro-comb. With further improvements removal fiber modal noises, system will provide simple, compact, precise setup in visible wavelength region.
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ژورنال
عنوان ژورنال: Journal of The Optical Society of America B-optical Physics
سال: 2021
ISSN: ['0740-3224', '1520-8540']
DOI: https://doi.org/10.1364/josab.419078