Lens design: optimization with Global Explorer
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Masaki Isshiki
Masaki Isshiki is optical consultant belonging to Isshiki Optics. Born in Japan and graduated from the Tokyo University in 1950 he worked for Nikon Corporation in Tokyo (1950–1988), engaged in the field of optical design and optical applications, after that he worked as a professor at Tokyo Polytechnic University (1988–2000) and established Isshiki Optics in 1998. His current research interests are optics design method especially in the development of the optimization.
Abstract
The optimization method damped least squares method (DLS) was almost completed late in the 1960s. DLS has been overwhelming in the local optimization technology. After that, various efforts were made to seek the global optimization. They came into the world after 1990 and the Global Explorer (GE) was one of them invented by the author to find plural solutions, each of which has the local minimum of the merit function. The robustness of the designed lens is also an important factor as well as the performance of the lens; both of these requirements are balanced in the process of optimization with GE2 (the second version of GE). An idea is also proposed to modify GE2 for aspherical lens systems. A design example is shown.
About the author
Masaki Isshiki is optical consultant belonging to Isshiki Optics. Born in Japan and graduated from the Tokyo University in 1950 he worked for Nikon Corporation in Tokyo (1950–1988), engaged in the field of optical design and optical applications, after that he worked as a professor at Tokyo Polytechnic University (1988–2000) and established Isshiki Optics in 1998. His current research interests are optics design method especially in the development of the optimization.
The author wishes to express his thanks to Dr. Henry I. Smith (MIT) for his kind suggestions and comments in preparing this manuscript.
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©2013 by THOSS Media & De Gruyter Berlin Boston
Articles in the same Issue
- Masthead
- Masthead
- Publisher’s Note
- Starting an optics journal in troubled times
- Community
- News from The European Optical Society
- Conference Notes
- Conference Calendar
- Topical Issue: Optical Design
- Editorial
- Editorial
- Tutorials
- The modern miniature camera objective: an evolutionary design path from the landscape lens
- Lens design: optimization with Global Explorer
- Q and A tutorial on optical design
- The importance of induced aberrations in the correction of secondary color
- Review Article
- Lens designs with extreme image quality features
- Research Articles
- Desensitization of axially asymmetric optical systems
- Extrinsic aberrations in optical imaging systems
- Hybrid RBF and local ϕ-polynomial freeform surfaces
- The astigmatic aberration field in active primary mirror astronomical telescopes
- Optical design with orthogonal representations of rotationally symmetric and freeform aspheres
- A new prime-focus corrector for paraboloid mirrors
Articles in the same Issue
- Masthead
- Masthead
- Publisher’s Note
- Starting an optics journal in troubled times
- Community
- News from The European Optical Society
- Conference Notes
- Conference Calendar
- Topical Issue: Optical Design
- Editorial
- Editorial
- Tutorials
- The modern miniature camera objective: an evolutionary design path from the landscape lens
- Lens design: optimization with Global Explorer
- Q and A tutorial on optical design
- The importance of induced aberrations in the correction of secondary color
- Review Article
- Lens designs with extreme image quality features
- Research Articles
- Desensitization of axially asymmetric optical systems
- Extrinsic aberrations in optical imaging systems
- Hybrid RBF and local ϕ-polynomial freeform surfaces
- The astigmatic aberration field in active primary mirror astronomical telescopes
- Optical design with orthogonal representations of rotationally symmetric and freeform aspheres
- A new prime-focus corrector for paraboloid mirrors
