处于人眼敏感波段的黄光激光，在医疗、显示、遥感及海洋探测等方面有着重要的应用和极好的市场前景，然而黄光激光器依然有待发展，属于激光领域的研究热点和难点。受激拉曼散射是一种有效的三阶非线性频率转换技术，是实现黄光的主要方式之一，但现有的拉曼晶体热导率较低，其拉曼过程中存在各种热效应，限制了拉曼黄光输出功率及效率。随着LD泵浦功率和金刚石生长技术及晶体光学质量的提高，本项目以发展高效拉曼黄光为目标，紧抓热效应这一关键因素，采用高热导率的金刚石晶体为研究对象，针对金刚石拉曼黄光激光器结构设计复杂、涉及晶体多的问题，提出LD直泵金刚石晶体产生拉曼黄光的研究方案。通过研究晶体内部热量传输机理，改善晶体散热效果，及时传输拉曼过程中产生的热量，缓解热效应；利用紧凑微型谐振腔设计，减少多块晶体的使用，增加拉曼增益长度，减少腔内损耗，降低激光阈值，实现高效拉曼黄光输出，为小型化拉曼黄光提供新的技术方案。

Yellow lasers sources of visible light have important applications and market potential in medical treatment, display, remote sensing and ocean exploration, etc. However, Yellow lasers still needs to be developed, which is a research hotspot and difficulty in the field of lasers. Stimulated Raman scattering is an effective third-order nonlinear frequency conversion technique, which is one of the main methods to realize yellow lasers. However, the thermal effects will be appeared in Raman process owing existing Raman crystals have a small thermal conductivity, which limits the output power and efficiency of Raman yellow lasers. With the developing of LD output power and diamond growing technique. This project aimed at the development of high powers Raman yellow lasers, cling to heating the key factor, using high heat conductivity of diamond crystal as the research object. Considering the diamond Raman yellow lasers design, which has many problems such as complex structure and involved a lot of crystals. The project of LD pumped diamond crystals producing Raman yellow lasers were proposed. By studying the mechanism of the heat transferred, to improve the heat dissipation of crystal, and transfer the heat in the process of Raman, relieve the thermal effect; With the designing of the micro-resonant cavity, it can be reduced the use of multiple crystals, increased the gain length, and decreased cavity loss. Finally, the high efficiency Raman yellow lasers can be achieved with a low threshold and provide a new technical proposal for miniaturization Raman yellow lasers.