As before, the laser package is hermetically sealed for reliable operation in adverse environments and the laser output is collimated using an internal lens system.
密封激光包在恶劣环境下可靠运行，激光输出采用内部透镜系统校准。
2
Completed in the dust-free workshop, the laser source is totally sealed with drying processfor against dust and fog.
防尘防结露，全程在无尘车间完成，激光器完全密封，并作干燥处理。
3
The selection of parameters for miniature TEA CO2 lasers is analysed and a miniature whole metallic-sealed-off ceramic TEA CO2 laser is developed.