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You are here: Applications > Optical Filters

Optical Filters

PQL’s system allows accurate deposition of optical multi-layer stacks

• Film properties are maintained at varied deposition rates
• The process is very stable and is repeatable run to run
• Dielectrics are reactively sputtered from metallic targets in most cases, leading to the densification of the deposited films
• SiO₂ Ta₂O₅ Nb₂O₅ TiO₂ are some of the materials we have sputtered
• Expensive feedback control is not necessary.

PQL's system uses a multiple target holder which provides the capability to repeatedly and reliably deposit identical alternating layers of differing materials. Coupled with a menu driven PLC, one touch batch process control is easily achieved.

Download printable version of Optical Filters.pdf