Development of white light laser whose beam colour is controllable

光束颜色可控的白光激光器的研制

• 批准号: 59850061
• 负责人: FUJII Kan-ichi
• 金额: $ 1.22万
• 依托单位: IBARAKI UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Developmental Scientific Research
• 财政年份: 1984
• 资助国家: 日本
• 起止时间: 1984 至 1986
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-59850061/
• 关键词: white-light laser; direct moduration; Herical hollow cathode; 吸熱性電荷転移; 白色光レーザ; ホローカソード放電; 光色制御

The aim of this research is to give the white light laser a direct modulation, resulting in a coloured beam in manners of time dividing scheme in high frequency. Here, the white light laser means a laser which can oscillate the three primary colours simultaneously by a single laser tube.When this research was initiated, a proto type full colour image printer with this white light laser was produced by the co-research with a company. At that stage, the white light laser beam was split into three primary colours, then the modulation was given to individual colours, and finally combined again, resulting in a coloured beam. This beam scans on the sensitized material.The quality of the full colour image print produced by this printer was so nice comparing to that by ordinary printer. If we can give the white light laser a direct modulation, various technical merits are given.In this research, therefore, the aim was to invent the principle and method to realize a direct modulation of white laser beam. Three methods, (1)Control of the cathode fall in potential, (2)Application of a herical hollow cathode, (3)Discussion of a possibility to apply an endoergic charge transfer, were considerd.The idea (1) was succeeded in principle and its result was reported at an International Conference. About (2) and (3), futher researches are now under going.

本研究的目的是对白色激光进行直接调制，在高频下以时分方式产生彩色光束。在此，白色激光器是指可以通过单个激光管同时振荡三原色的激光器。当开始这项研究时，通过与一家公司的合作研究，生产出了具有这种白色激光器的原型型全色图像打印机。在这个阶段，白色激光束被分成三种原色，然后对各个颜色进行调制，最后再次组合，产生彩色光束。这束光在感光材料上扫描，与普通打印机相比，这台打印机打印出的全色图像质量非常好。如果能对白色激光进行直接调制，将具有多种技术优势，因此，本研究的目的是发明实现白色激光束直接调制的原理和方法。本文提出了三种方法：（1）控制阴极的电位降，（2）应用空心阴极，（3）探讨应用吸热电荷转移的可能性，其中（1）的想法在原理上获得了成功，并在国际会议上作了报告。关于（2）和（3），目前正在进行进一步的研究。

项目成果

K.Fujii;K.Kasai;M.Takashima;H.J.Oskam: Proceedings of 8th International Conterence on Gas Discharge and Their Applications,U.K.

K.Fujii;K.Kasai;M.Takashima;H.J.Oskam：第八届国际气体放电及其应用会议论文集，英国

Proceedings of XV【II】th Int.Conf.Phenomena in Ionized Gas.(Budapest,Hungary). 831 (1985)

第十五届国际会议论文集。电离气体现象。（匈牙利布达佩斯）831（1985）。

Proceedings of XV【II】th Int.Conf.Phenomena in Ionized Gas.(Budapest,Hungary). 673-675 (1985)

第十五届国际会议论文集。电离气体现象。（匈牙利布达佩斯）673-675（1985）。

K.Fujii: "Endoergic charge transfer by ion beam and its application to He-Cd white light laser" Proceedings of 10th Ion Source and Ion-Assisted Technology, Japan. 77-82 (1986)

K.Fujii：“离子束的吸能电荷转移及其在 He-Cd 白光激光器中的应用”第 10 届离子源和离子辅助技术会议录，日本。

Proceedings of 8th Int.Conf.of Gas Discharge and their Applications.(Oxford,U.K.). 545 (1985)

第八届气体放电国际会议及其应用论文集（英国牛津）。