As the laser has to endure long operating periods, it is essential to take into account of all the following parameters to reduce any malfunctions:
- Choice of product sources
- Purification treatments
- Production method ensuring that the required quality is achieved
- Surface treatment of inside walls to prevent any dust from being collected
- Precautions are taken to obtain homogenous and accurately proportioned mixtures
- Packaging of the lasing gas into increasing its content of damaging impurities
On the exterior, there should be:
- A valve guard for easy connection and simple handling
- A positive pressure for no-return valve which avoids any risk of contamination
- A guarantee plug which proves that all the proper procedures are complied with
On the interior, there should be a surface finish that is free from any particles, dust and vapour.