Enhancements to the optimization process in lens design (I)

Schuhmann, Rainer; Adams, Geoff

doi:10.1117/12.449567

Cited by 6 publications

(5 citation statements)

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“…At least two rays are required for the graphical structure of optical imaging through a lens or system with a given focal length [15]. There are three different rays that come parallel to the optical axis in the object area, pass through the focus in the object area, and pass through the optical center.…”

Section: Structure Of Beamsmentioning

confidence: 99%

“…Both lenses are usually glued, so the distance is d = 0. The total effective focal length of the Colorseme (achromatic) binary EFLal, therefore, calculates as follows:(15) For the assumed or predetermined effective focal length of an achromatic binary, certain parameters of the respective single lenses can be determined quite easily: Solving the general condition for achromatism given by equation 3.14 for the effective focal length of the second lens, (16) By adding the equation in 2.16 to the equation in 2.15, the following equation is obtained; (17) This expression can then be solved to determine the effective focal length of the first lens: (18) or for the second lens, (19)…”

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confidence: 99%

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Basic Parameters of Lens Design

Semercioğlu

2022

International Journal of Health Services Research and Policy

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In this study, the basics of optical system design are presented. It contains a series of formulations ordered by subject areas or topics representing typical lens design tasks and optical system design tasks. Different aspects are covered, such as the definition of starting systems and the creation, evaluation, and optimization of lenses and systems. The formulas of the most critical lens design equations are given in detail in the content of the study. It also provides an overview of basic mathematical models for calculating simple optical components such as single lenses, systems, and achromatic pairs. Such components represent the foundation of any optical system. The literature study on this study determined that studies on lens design in national publications are limited. The study differs in that it clearly articulates the fundamentals of lens design. It is thought that this study will contribute to the literature.

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Section: Structure Of Beamsmentioning

confidence: 99%

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confidence: 99%

Basic Parameters of Lens Design

Semercioğlu

2022

International Journal of Health Services Research and Policy

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“…PreDesigner is also available as a free app for Android mobile phones and tablets and can be found in the Google play store -though this version does not include Gaussian beam tools. Additional discussions on the software, including theory, and some specific applications such as the ray tracing of spectrometers or the design of achromatic lenses is found in [3][4][5][6][7][8][9][10][11][12][13].…”

Section: Discussionmentioning

confidence: 99%

Easy-to-use software tools for teaching the basics, design and applications of optical components and systems

Gerhard¹,

Adams

2015

SPIE Proceedings

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, "Easy-to-use software tools for teaching the basics, design and applications of optical components and systems," Proc. SPIE 9793, Education and Training in Optics and Photonics: ETOP 2015, 97930N (8 October 2015) ABSTRACTGeometric optics is at the heart of optics teaching. Some of us may remember using pins and string to test the simple lens equation at school. Matters get more complex at undergraduate/postgraduate levels as we are introduced to paraxial rays, real rays, wavefronts, aberration theory and much more. Software is essential for the later stages, and the right software can profitably be used even at school. We present two free PC programs, which have been widely used in optics teaching, and have been further developed in close cooperation with lecturers/professors in order to address the current content of the curricula for optics, photonics and lasers in higher education.PreDesigner is a single thin lens modeller. It illustrates the simple lens law with construction rays and then allows the user to include field size and aperture. Sliders can be used to adjust key values with instant graphical feedback. This tool thus represents a helpful teaching medium for the visualization of basic interrelations in optics.WinLens3DBasic can model multiple thin or thick lenses with real glasses. It shows the system focii, principal planes, nodal points, gives paraxial ray trace values, details the Seidel aberrations, offers real ray tracing and many forms of analysis. It is simple to reverse lenses and model tilts and decenters. This tool therefore provides a good base for learning lens design fundamentals. Much work has been put into offering these features in ways that are easy to use, and offer opportunities to enhance the student's background understanding.

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“…This requires a true non-linear optimisation algorithm. The software uses damped least squares as the basic optimisation method, but with several enhancements [4], such as an extended line search option. The merit function is powerful and flexible.…”

Section: The Company Classical Opticsmentioning

confidence: 99%

“…Wizards exist to setup the function, but a whole range of defects can be added by drag and drop. In addition, there is a number of aids [4] such as variable selection guide, aspherisation guide, change table display, "video" replay options and a status form to show optimisation activities. Colour coding is extensively used to highlight significant items.…”

Section: The Company Classical Opticsmentioning

confidence: 99%

Optical System design

2009

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Optical design is a convenient phrase that covers the whole range of activities required for the creation of an optical system. Optical design usually begins with simple considerations of the spatial envelope of a new lens -finding the object/ image distances and sizes, aperture, focal length etc. The designer must then find a suitable starting design, either derived from basic theory, from his experience or from a design library. This start point will need to be analysed and understood and then optimised to match the requirements of the task in hand [1]. Almost always, optimisation involves repeated simultaneous multi-variable adjustments, and this therefore requires sophisticated software tools as following described in this article.

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Enhancements to the optimization process in lens design (I)

Cited by 6 publications

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Basic Parameters of Lens Design

Basic Parameters of Lens Design

Easy-to-use software tools for teaching the basics, design and applications of optical components and systems

Optical System design

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