Advanced Optics Using Aspherical Elements (SPIE Press Book)

Advanced Optics Using Aspherical Elements
Modern optical imaging systems today achieve a performance that would have been considered unimaginable in past years. The same is true of optics for communication applications, measurement tasks, materials processing, etc. These performance increases are due both to the use of new materials and to the introduction of new surface machining and assembly processes. The essential improvement is that the physics of material loss in polishing and that of material deposition in coating have been quantitatively understood to such a degree that these processes can now be modeled mathematically, permitting computer-controlled implementation.
This progress now makes it possible to use aspherical optics to a greater extent in high-performance optics systems, an innovation that, due to cost reasons, has previously been impossible in the scope needed for the mass products dominated by Asia, for instance in cameras for cell phones.

However, estimating the opportunities and risks of the use of aspherical optics requires knowledge of the entire value-added chain, including design, materials properties, surface processing variants, metrology techniques, coating concepts, and system assembly. However, only experts on the everyday frontline of technology can provide reliable information on these matters. This is the reason this book contains contributions regarding these subjects of almost 60 authors from 30 well-known optics companies and institutes in the German-speaking world.

On a positive note, many of the authors and their companies and institutes are associated with DGaO as members, which can be seen as a sign of the collegiality across company borders traditionally maintained in the field of optics.

The contributions, submitted in template form, are complemented by a didactical introduction including an evaluation and summary of the contributions and an outlook on future trends. This part was essentially compiled by the editors B. Braunecker (former head of the optics development at Leica Geosystems AG in Heerbrugg), R. Hentschel (former head of optics production at Schott AG), and Prof. H. Tiziani, honorary member of DGaO and longstanding head of the Institute for Technical Optics at the University of Stuttgart.

The goal of the book is to show the most suitable path through the value-added chain for each optical application, thus not only to understand the methods recommended, but also to recognize their limitations and to estimate the costs of investment and operations. At the same time, more detailed information on the Internet is identified. The book is recommended not only for technical experts, but also for decision makers and consultants.
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