Varanytsia Andrii, Guo Tianyi, Palffy-Muhoray Peter
Appl Opt. 2019 Feb 1;58(4):739-743. doi: 10.1364/AO.58.000739.
We demonstrate a small optical bench footprint laser assembly based on the small pulsed Nd:YAG laser head SSY-1 for pumping cholesteric liquid crystal (CLC) lasers and illustrate its performance using low molecular weight CLC samples doped with the fluorescent dye PM597. A low lasing threshold, narrow laser line, and far-field interference patterns of the CLC laser were observed using the SSY-1-based laser assembly as the pump. The emission characteristics of the CLC laser are similar to those observed with comparable CLC materials pumped by an order of magnitude physically larger and many orders of magnitude more expensive commercial Nd:YAG laser systems. The small footprint CLC laser demonstrated in this work provides an opportunity for significant size and cost reduction of CLC lasers and fostering their practical applications.
我们展示了一种基于小型脉冲Nd:YAG激光头SSY-1的小型光学平台激光组件，用于泵浦胆甾相液晶（CLC）激光器，并使用掺杂有荧光染料PM597的低分子量CLC样品来说明其性能。使用基于SSY-1的激光组件作为泵浦源，观察到了CLC激光器的低激射阈值、窄激光线和远场干涉图样。CLC激光器的发射特性与使用比其物理尺寸大一个数量级且价格贵许多个数量级的商用Nd:YAG激光系统泵浦的类似CLC材料所观察到的特性相似。这项工作中展示的小尺寸CLC激光器为大幅减小CLC激光器的尺寸和成本以及促进其实际应用提供了机会。
