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Custom F-Theta lens for battery production

Due to the growth of e-mobility, the demand for reliable beam-shaping optics for battery production increases continuously. In cooperation with technology leaders, Jenoptik has implemented these specific requirements in a new F-theta lens for 1064-nanometer applications. High-volume manufacturers can now make use of a custom F-theta lens for battery foil cutting with high-power lasers.

F-Theta lens for 1064 nanometer applications in Jenoptik's Silverline(TM) lens portfolio

The new F-theta lens is specially designed for the application of laser foil cutting for batteries with 1064-nanometer lasers and is suitable for high-volume serial production with ultrashort-pulse lasers. When developing this solution, Jenoptik took into account the requirements of this cost-optimized market which led to a compact and competitive lens. The lens joins Jenoptik’s SilverlineTM lens family for laser applications in the automotive supply market.

Thanks to the use of low-absorption fused silica and a robust optical coating, the F-theta lens is suitable for applications with ultrashort-pulse lasers and outputs into the kilowatt range. With a focal length of 160 millimeters and a minimum spot size of around 23 micrometers, workpieces can be processed in a scan field of up to 50 x 50 millimeters. The optimized lens design and an innovative lens mounting allow the full performance of the lens to be exploited while not having any back reflections in the lens.

SilverlineTM lenses are used across many sectors for applications such as ablating, drilling, welding or soldering of high-precision structures in plastics and metallic compounds. They convince with high damage threshold and guarantee high-precision and reproducible working results.

A high-resolution image is available to download from the Jenoptik image database under Products or via this direct link.

Image: The new F-theta lens is specially designed for the application of laser foil cutting for batteries with 1064-nanometer lasers. Copyright: Kurt Lochte.

About Jenoptik and its Light & Optics division

Optical technologies are the very basis of our business: Jenoptik is a globally active technology group and is active in the three photonics-based divisions: Light & Optics, Light & Production and Light & Safety. Under the TRIOPTICS brand, Jenoptik also offers optical test and manufacturing systems for the quality control of lenses, objectives and camera modules. VINCORION is the brand for our mechatronic business. Our key target markets primarily include the semiconductor industry, medical technology, automotive and mechanical engineering, traffic, aviation as well as security and defense technology industries. Around 4,400 employees work for Jenoptik worldwide. The Group’s headquarters are in Jena (Germany). JENOPTIK AG is listed on the German Stock Exchange in Frankfurt and is included in the SDax and TecDax. In the 2019 fiscal year, Jenoptik generated revenue of approx. 855 million euros.

The Light & Optics division is a global OEM supplier of solutions and products based on photonics technologies. Jenoptik provides a broad portfolio of technologies combined with deep experience of more than 25 years in the fields of optics, laser technology, digital imaging, opto-electronics and software. Our customers are leading machine and equipment suppliers working in areas such as semiconductor equipment, laser material processing, healthcare & life science, industrial automation, automotive & mobility and safety, as well as in scientific institutes. As a development and production partner, the Light & Optics division focuses on advancing cutting-edge technologies to improve our customers' system performance and ultimately realize product outcomes that reach new heights enabled by our highly-integrated photonic solutions. The systems, modules and components based on photonics technologies help our customers overcome their future challenges.

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