[OThP2A] Optical Components/Devices I

[OThP2A-04] Fast Phase-shift Control Method for a High-speed Planar Lightwave Circuit Digital Holographic Microscope

*Kenta Hayashi¹, Kazutaka Nakama¹, Hideaki Gomi¹, Katsunari Okamoto², Eriko Watanabe¹ (1. The Univ. of Electro-Communications (Japan), 2. Okamoto Lab. (Japan))

[Presentation Style] Onsite

A new thermo-optical phase control method is proposed and demonstrated to realize a faster and more accurate four-step phase shift in PLC-DHM. Using this phase-shift control method, we demonstrated 66.7 fps color-moving-image imaging.