Abstract
Hollow core fibers were introduced many years ago but are now starting to be used regularly in more demanding applications. While first experiments mainly focused on the characterization and analysis of the fibers themselves, they are now implemented as a tool in the laser beam delivery. Owing to their different designs and implementations, different tasks can be achieved, such as flexible beam delivery, wide spectral broadening up to supercontinuum generation or intense gas-laser interaction over long distances. To achieve a constant result in these applications under varying conditions, many parameters of these fibers have to be controlled precisely during fabrication and implementation. A wide variety of hollow core fiber designs have been analyzed and implemented into a high-power industrial beam delivery and their performance has been measured.
Highlights
Laser sources with ultrashort pulses have taken a rapid development and broader industrial use over the past couple of years
The aim of this work is to summarize the integration of hollow core fiber in an industrial environment and present some representative applications
There exists a large variety of hollow core fibers which could in principle be used for transmission of ultrafast laser pulses
Summary
Laser sources with ultrashort pulses have taken a rapid development and broader industrial use over the past couple of years. While the development of laser sources and material processing technologies have steadily evolved (both in terms of available optical parameters as well as industrial performance), system technology has often been identified to be the limiting factor in today’s industrial application. This includes beam transport and beam steering and shaping. The most obvious advantage is the flexible use of the laser at different positions while maintaining the beam properties
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