摘要:
报道了一种适合中小功率输出的全固态激光器的角抽运方法,抽运光从板条激光器中板条晶体的角部入射,可获得较高的抽运效率和较好的抽运均匀性.采用单角抽运方式,首次进行了角抽运Nd：YAG复合板条946 nm连续运转激光器的实验研究.激光腔采用紧凑型平凹直腔结构,腔长仅为20 mm.当注入抽运功率为50 W时,946 nm激光连续输出功率最高达5.29 W,光光转换效率为10.6%,斜效率为12%.整台激光器结构紧凑,调谐简单,成本低,具有广阔的应用前景.
Abstract:
A corner-pumped type is a new pumping type in the diode-pumped solid-state lasers, which has the advantages of high pump efficiency and favorable pump uniformity. Using the single corner-pumped type, an efficient corner-pumped Nd:YAG/YAG composite slab continuous-wave 946 nm laser is demonstrated in this paper. The compact plane-concave linear cavity configuration is adopted and the cavity length is only 20 mm. When the pumping power is 50 W, the maximal output power can reach as high as 5.29 W with an optical-to-optical conversion efficiency of 10.6%and a slope efficiency of 12%. This laser has a compact structure, simple tuning and low cost, which will have a broad application prospect.
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