162 citations · 384 across the 12 of their papers we have counts for
4 papers · 1 filter
Broadband and flat-baseline dual-comb cavity mode dispersion spectroscopy using fiber-based frequency combs
Sho Okubo, Ken Kashiwagi, Koji Hashiguchi +1
We demonstrate broadband dual-comb cavity mode dispersion spectroscopy using mode-locked erbium-fiber frequency combs and a length-tunable optical cavity. The flat baseline and low…
Ultra-precise determination of thicknesses and refractive indices of optically thick dispersive materials by dual-comb spectroscopy
Kana A. Sumihara, Sho Okubo, Makoto Okano +2
Precise measurements of the geometrical thickness of a sample and its refractive index are important for materials science, engineering, and medical diagnosis. Among the possible n…
Ultra-broadband dual-comb spectroscopy across 1.0-1.9 μm
Sho Okubo, Kana Iwakuni, Hajime Inaba +4
We have carried out dual-comb spectroscopy and observed in a simultaneous acquisition a 140-THz-wide spectrum from 1.0 to 1.9 μm using two fiber-based frequency combs phase-locked…
A compact iodine-laser operating at 531 nm with stability at the 10 level and using a coin-sized laser module
Takumi Kobayashi, Daisuke Akamatsu, Kazumoto Hosaka +6
We demonstrate a compact iodine-stabilized laser operating at 531 nm using a coin-sized light source consisting of a 1062-nm distributed-feedback diode laser and a frequency-doubli…