Training Seminar "Advanced Lens Design"

Zielsetzung

• The seminar combines theoretical knowledge about optical design for imaging systems with the transfer into practical solutions. The participants improve their knowledge and will be qualified for a broad range of challenging applications in lens design.
• Intensive coaching and assistance by the lecturing team.

Content

Theory und Methods

• Advanced aberration theory: Higher orders, induced aberrations, sine condition, pupil aberrations, isoplanatism
• Optimization and correction: Method of optimization, special approaches for correction, global algorithms, glass selection, struc-tural changes, stop position, field lenses
• Chromatical correction: Achromatization, special achromates, apochromatic systems, spherochromatism, lateral chromatical aberrations, new achromate, dialyte and Schupman lenses
• Correction methods: Lens bending and splitting, aplanatic surfaces, AC lenses, symmetry, wide angle approaches, sensitivity
• Field flatness: Petzval theorem, correction of image flatness
• Tolerancing: Types of tolerances, Monte-Carlo simulation, realis-tic quality estimation, tolerancing aspheres, thermal degradation

Special Components

• Aspheres: Types of surface description, Forbes aspheres, spheri-cal correction, optimal location of aspheres
• Freeforms: Motivation, representation of surfaces, optimization, aberrations and quality assessment, aspects of realization
• Diffractive elements: Diffraction and efficiency, modelling approa-ches, aberrations and correction, false light

Selected Applications

• Simple systems: 4f systems, relays, endoscopes, eyepieces, scan lenses
• Microscopic systems: Principle, objective lenses, tube optics, confocal systems, illumination aspects, stereo microscopes
• Mirror systems: Basic properties, telescopes, freeform solutions