Technology

Production of optical coatings with an ion assisted deposition plant. Production of optical coatings with an ion assisted deposition plant. Production of optical coatings with an ion assisted deposition plant.
Production of optical coatings with an ion assisted deposition plant.

Current research activities of the Group Laser Components and Fibers include complex coating systems for high-power laser systems, optical metrology and inspection metrology. The group is mainly concerned with innovative process concepts and highly precise control procedures for coating processes, which are in use in industry in developmental areas for economical production strategies. Furthermore, based on this foundation, new processes for the controlled production of ternary coating phases and for structures with a continuous variation of the refractive index could be tested. Developmental work in the field of modern metrology methods can be used for a further field of work of the group, i.e. the construction of customer-specific VUV spectral photometers, wide-band spectrometers for process control, and set-ups according to ISO standards. Such equipment from the group has been in use for a number of years in industrial enterprises and research groups in many countries. This has served as a motivation for group activities in the area of developing standards for examining and testing optical components. Based on the coating processes developed and the characterization work done, special coatings according to customer specifications can also be offered in small quantities. During the last decade, also approaches for the modelling of thin growth processes moved into the focus of international research. In this field, the group is developing simulation techniques based on Molecular Dynamics and ab-initio calculations to determine the optical parameters of coatings deposited with different process parameters to forecast the results of modern coating production techniques. This research branch will contribute to the research strategy of PhoenixD.

In the field of laser fibers, the junior research group Integrated Photonics is presently installing and maintaining a production system comprising of a preform laboratory and fiber drawing tower in the HITec-Building. The major research topics will include the creation of new optical materials, laser active fibers for space applications and adapted characterization techniques.