An FBG wavelength demodulation approach based on tunable narrowband laser is proposed.
提出了一种窄带激光器程控调谐扫描的波长检测方案,运用 LabVIEW虚拟仪器工作平台实现了窄带激光器的程控调谐扫描及波长检测信号处理。
Study on optical properties of novel volume holographic notch filter;
新型体全息窄带滤光器的光学特性研究
For optimizing the technological parameters of H13 steel under narrow-band laser scanning,the effects of the parameters such as laser power(P),scanning velocity(V) and facula diameter(D) on quenching-layer were discussed.
为了优化H13模具钢在激光窄带扫描作用下的工艺参数,介绍了激光功率P、扫描速度V、光斑直径D各工艺参数对淬火层的影响,分析了H13模具钢显微硬度测量结果,对H13模具钢不同搭接量的选择及显微组织进行了观察。
The clock recovery using self-sustained pulsation(SSP) for narrow-stripe AlGaAs lasers is demonstrated.
分析了利用窄条AlGaAs激光器的自持脉动来进行3R时钟恢复的原理,着重阐述F-P腔半导体激光器自持脉动产生的机理和条件,同时研究窄条AlGaAs激光器的结构参数对自持脉动的影响。