It is more importance that tunablelaser sources apply in DWDM, with high speed and great capacity optical communications system rapid progress.
随着高速大容量光通信系统的迅猛发展，可调谐激光光源在DWDM中的应用将越来越重要。
2
Such a tunablelaser in the detection of atmospheric pollution, physical structure, research and laser spectroscopy in very useful.
这种可调谐激光器在检测大气污染、物质结构的研究以及激光光谱学中都很有用处。
3
We firstly measured gain spectra of chemical oxygen-iodine laser by a tunable diode laser driven by a signal generator and got relative percentages of gain spectra.