SBIR Phase II: Compact, Diode-Pumped, Broadly Tunable Cr2+:ZnSe Laser

SBIR 第二阶段：紧凑型、二极管泵浦、广泛可调谐 Cr2:ZnSe 激光器

• 批准号: 9901756
• 负责人: Timothy Carrig
• 金额: $ 39.37万
• 依托单位: COHERENT TECHNOLOGIES, INC
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1999
• 资助国家: 美国
• 起止时间: 1999-08-15 至 2001-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9901756&HistoricalAwards=false
• 关键词: SBIR; Phase; II; Compact; Diode

This Small Business Innovation Research (SBIR) Phase II project will develop an all solid-state, compact high-efficiency, broadly tunable, single-frequency infrared laser source. In Phase I a continuous-wave (cw), room-temperature Cr2+:ZnSe laser was demonstrated that was continuously tunable from 2138 to 2760 nm without any active cooling. This is the broadest wavelength tuning yet demonstrated from any room temperature, cw laser. Additionally, the laser demonstrated an absorbed power slope efficiency as high as 63% - which rivals that of the best solid-state lasers yet reported. In Phase II, CTI and Fisk University (a HBCU/Ml) researchers will further investigate this laser material and better characterize the formation of the laser active Cr2+ ion in the ZnSe, host. Additionally, direct cw diode pumping of this material and single frequency laser operation will be demonstrated for the first time. Laser output power will be scaled by an approximate order of magnitude. A variety of laser designs, a novel tuning mechanism, and modelocked laser operation will be explored as well. The result will be a unique laser that will be an alternative to cryogenic color-center lasers and diode-pumped-solid-state laser- pumped-monlinear-frequency-converters (such as optical parametric oscillators) for tunable 2 to 3 mm laser applications. The laser source will provide an elegant solution to many near-infrared laser needs. Applications include high-resolution optical spectroscopy, vibrometry, remote sensing of several important atmospheric chemicals, ultrafast studies, and medical science.

这项小型企业创新研究（SBIR）II期项目将开发出所有固态，紧凑的高效，可调，单频红外激光源。 在第一阶段，显示了连续波（CW），室温CR2+：Znse Laser，它被证明，该激光器从2138到2760 nm连续调谐，而无需任何活动冷却。 这是从任何室温CW激光器中证明的最广泛的波长调谐。 此外，激光显示出吸收的功率坡度高达63％ - 与迄今为止最好的固态激光器相匹配。 在第二阶段，CTI和Fisk University（A HBCU/ML）研究人员将进一步研究这种激光材料，并更好地表征ZNSE，宿主中激光活性CR2+离子的形成。 此外，将首次证明该材料的直接CW二极管泵送该材料和单频激光操作。 激光输出功率将按大致的数量级缩放。 还将探索各种激光设计，一种新型的调整机构和模型射击操作。 结果将是一种独特的激光器，可以替代低温色彩中心激光器和二极管 - 固定状态激光 - 泵送 - 泵送 - 泵送 - 单线化 - 频率连接器（例如光学参数振荡器），可调节2至3 mm激光应用。 激光源将为许多近红外激光需求提供优雅的解决方案。 应用包括高分辨率光谱，振动法，几种重要的大气化学物质的遥感，超快研究和医学科学。