[CThP6F] Advanced Comb Sources and Applications

[CThP6F-06] Distance Measurement Based on a Coherently Synthesized Two-color EO Comb towards High-accuracy Air-refractive Index Self-Correction

*Runmin Li¹, Haochen Tian^1,2, Takashi Kato^1,3, Akifumi Asahara¹, Kaoru Minoshima¹ (1. The Univ. of Electro-Communications (Japan), 2. Research Fellow of JSPS (Japan), 3. PRESTO, JST (Japan))

[Presentation Style] Onsite

A distance measurement system with <1 µm resolution is demonstrated based on a coherently synthesized two-color EO comb. Air-refractive index self-correction is possible through measuring the optical distances that follow group and phase refractive indices.