Establishment of two-color simultaneously oscillated lasers for plasma diagnostics

2014 Fiscal Year Final Research Report

• Project/Area Number: 24560053
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Applied optics/Quantum optical engineering
• Research Institution: Chubu University
• Principal Investigator: NAKAYAMA Kazuya 中部大学, 工学部, 准教授 (40434584)
• Co-Investigator(Kenkyū-buntansha): AKIYAMA Tsuyoshi 核融合科学研究所, ヘリカル研究部, 准教授 (80370138)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Keywords: プラズマ計測 / 干渉計測 / 偏光計測 / 炭酸ガスレーザー / テラヘルツレーザー

Outline of Final Research Achievements

For fusion plasma diagnostics of large and high-density plasma devices, a new measurement system using a terahertz (THz) laser of the wavelength region of 50 μm is required. In this region between light and radio wave, measurement method including the light source has not been established. Therefore, we have surveyed THz laser lines, and the measurement method and components have been developed. It is important to realize the stable laser oscillation in order to improve reliability of the measurement system. In this study, we have developed the long-time stable 48- and 57-μm THz lasers pumped by a CO2 laser.

Free Research Field

レーザー工学