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Development of Far-Infrared Wave Spectroscopy Using Submillimeter Wave Gyrotron as Radiation Sources

以亚毫米波回旋管为辐射源的远红外波光谱学的发展

基本信息

批准号：
09045051
负责人：
IDEHARA Toshitaka
金额：
$ 3.58万
依托单位：
Fukui University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B).
财政年份：
1997
资助国家：
日本
起止时间：
1997 至 1999
项目状态：
已结题

项目摘要

(1) Development of fundamental technologies In for-Infrared regionI) Under cooperation between both institutions, small power, cw gyrotrons are developed. Stabilities and modulations of amplitude and frequency are also realized. II) High sensitive detectors with low noise in millimeter to submillimeter wavelength range are developed using high temperature superconductors (YBCO-BiO). III) A quasi optical transmission system for mode conversion from gyrotron output mode to Gaussian mode is developed and applied for effective uses of the gyrotrons to many objectives.(2) Scattering measurement of helical device LHD (National Institute for Fusion Science)Under cooperation with National Institute for Fusion Science, a submillimeter wave scattering measurement device is prepared for measurement of low frequency density fluctuation in LHD. On the other hand, a quasi optical gyrotron for plasma diagnostics is constructed.(3) Study on submillimeter wave ESRSubmillimeter wave spectrometer using a gyrotron and a high field pulse magnet is constructed. It is used for studies on materials with large zero split and nonlinear phenomenon in ESR. Study on ESR measurement of Fe-SiOィイD22ィエD2 is carried out by using submillimeter wave gyrotron.(4) Sintering of high quality ceramic using a submillimeter wave gyrotronCeramic sintering device using a cw submillimeter wave gyrotron is prepared. It will be used for development of high quality ceramic under cooperation with industry.(5) Application of a submillimeter wave gyrotron to new technology in medicineA catheter which transmits with low loss and heats local small area is developed for its application to new technology in medicine(6) Developmental researches in far-Infrared region up to the present and their future plan are summarized.Contributions of Fukui University and University of Sydney to studies in far-infrared region development are also discissed.

(1)红外区基础技术的发展I)在两个机构的合作下，发展了小功率、连续波回旋管。还实现了幅度和频率的稳定和调制。Ii)利用高温超导体(YBCO-BIO)研制了毫米至亚毫米波段的低噪声高灵敏度探测器。(3)研制了回旋管输出模向高斯模转换的准光传输系统，并将其应用于回旋管对多个目标的有效利用。(2)螺旋器件的散射测量与美国国家聚变科学研究所合作，研制了一台亚毫米波散射测量装置，用于测量回旋管的低频密度起伏。另一方面，构建了用于等离子体诊断的准光学回旋管。(3)构建了回旋管和高场脉冲磁铁相结合的亚毫米波ESR亚毫米波谱仪。用于研究具有较大零裂和电子自旋共振非线性现象的材料。利用亚毫米波回旋加速器对Fe-SiOィイD22ィエD2进行了电子自旋共振测量研究。(4)利用亚毫米波回旋加速器对优质陶瓷进行了烧结。(5)亚毫米波回旋加速器在医学新技术中的应用为了将其应用于医学新技术，开发了一种低损耗、可在局部小区域加热的导管。(6)总结了目前远红外领域的研究现状和未来的发展计划，并讨论了福井大学和悉尼大学对远红外领域研究的贡献。