Mtf optimization by automatic adjustment of aberration merit function pdf

Mtf optimization by automatic adjustment of aberration merit function pdf
www.iap.uni-jena.de Design and Correction of Optical Systems Lecture 9: Optimization and correction 2017-06-09 Herbert Gross Summer term 2017
ties, but an appropriate merit function making possible an optimum automatic. 9 K.-7. Rosenbruch correction of optical systems for certain applications. It would certainly be an ideal solution if both figures were equal, and we shall see that this is possible. 2. Various optimization criteria As far as his requirements are concerned, the lens designer may at least conclude from the criteria
# From section ‘Optimization Operands Summary’ (Optimize Tab -> Automatic Optimization Group, # Merit Function Editor) of OpticStudio 16.5 SP3 Help # Files, February 2017
based MTF value, but this will not be followed up here, as we are only concerned with showing that the sum of the squares of a set of terms is a logical form—and perhaps the only logical form—for a merit function for lens design optimization problems. 1.2.3 General comments There are, of course, exceptions to the rule that the sign of an aberration does not have to be considered in a lens
Understand the basics of the Zemax merit function and the Zemax operands 4. Be able to progressively optimise a complex lens system to achieve the final performance requirements March 10, 2015 Optical Systems Design 2 . Petzval Surface & Petzval Curvature • Theoretical best image surface which exhibits no astigmatism • Petzval sum where is the optical power of each surface • For simple
The diffraction OTF for a system with a wavefront aberration function W(x, y) at a given spatial frequency s is given by the integral OTF-based optimization criteria for automatic optical design Then 27.r2s 2 M(,) = 1 x-r-K(s) 27rs 0(s) = S- where
switch to MTF optimization. The recent work of Bates [2010] de-scribes a method which uses through focus MTF as the objective function. This avoids the convergence problems associated with early use of an MTF objective function and uses only one function, rather than requiring a manual switch between different objectives. Commercial systems such as Zemax have a feature which will replace …
features on aberration types 8 Optimization II Correction Effectiveness Aberration Primary Aberration 5th Chromatic on manufactability, cost, sensitivity, adjustment concepts 6 . 8 Optimization II 7 Initial Conditions Valid for object in infinity: 1 1. Total refractive power 2. Correction of Seidel aberrations 2.1 Dichromatic correction of marginal ray axial achromatical 2.2 Dichromatic
Optical and Quantum Electronics 8 (1976) 31-37 OTF-based optimization criteria for automatic optical design R. W. GOST ICK* Opt/ca/Design Group, lmperia/ College, London…
1/08/2013 · The depth of field of an infinity-corrected microscope system is greatly extended by simply applying a specially designed phase mask between the objective and the tube lens. In comparison with the method of modifying the structure of objective, it is more cost effective and provides improved

YouTube Embed: No video/playlist ID has been supplied

Optical system assessment for design numerical ray

Design and Optimization of a Wavefront Coded® Miniature Camera
14/02/2012 · The method relaxes the constraints of optically correcting lateral chromatic aberration and distortion on the lens assembly and instead electronically corrects for lateral chromatic aberration and distortion. As a result the lens assembly transmissivity and MTF improve dramatically and other aberrations are reduced as a result of re-optimizing the lens assembly merit function. The cost and
© Fraunhofer ILT AGENDA Raytracing Fundamentals Aberration plots Merit function Correction of optical systems Optical materials Bulk materials
Two optimization algorithms combined with a merit function and the damped least-squares method are proposed and used for optimization of each lens-group. This optical lens design should be good enough to meet the performance requirements for an image intensifier tube. The proposed zoom system consists of a negative and a positive lens-group structure with one aspheric lens and seven glass
Although, these aberrations compromise the MTF at best-focus, they increase its relative measure with defocus and, therefore, result in a higher DoF. 5 Thus, the DoF of an aberrated system is always higher than the equivalent unaberrated, or diffraction-limited, system.
2 CODE V 101, Slide3 Purpose • The purpose of this presentation is to provide you with an overview of CODE V structure, interface, and capabilities
The ADOS (Automatic Design of Optical Systems) program is a proprietary optical design program. Its development started in 1987 with the following reasons: research in classical and modem optimization methods and their application in optimization of optical systems; development of a modem optical design program based on PC computers. At that time the state of the art optical design programs
A. Yabe, “MTF optimization by automatic adjustment of aberration merit function,” in International Optical Design Conference, 2002 OSA Technical Digest …

Three types of merit functions were applied in automatic design of optical systems: mean square value of wave aberrations; variance of wavefront aberrations; and variance of an MTF based function suggested by H. H. Hopkins. They have proved to be very powerful in the final stages of optimization of well corrected systems and lend themselves readily to automatic control of minimization. The
Abstract I present a fast MTF optimization method. In this MTF optimization the aberration merit function is optimized. The basic concept of this MTF optimization is to connect the improvement of the aberration merit function to the improvement of the MTF merit function.
aberration analysis, ray tracing, and image analysis. • Optimize Commands that set up and carry out optimization tasks. • Tolerance Commands that set up and carry out tolerancing tasks.
Determine the appropriate “figure of merit” for use as a tolerance criteria Usually related to design MF RMS spot size, RMS wavefront error, MTF requirement, User defined merit function, boresight, etc.
Open Access Library Journal How to cite this paper: Ma, Y.K. and Borovytsky, V.N. The merit function also consisted of operands MNCA, MXCA and MNEA to define the air thickness and air boundary constrains, meanwhile operands MNCG, MXCG and MNEG are used to glass case either; 3) Initially, operand LONA is used to control the spherical aberration, LACL is used to control the …
Optics Software ! Phone numbers: function (MTF): – MTF as a function of spatial frequency – MTF as a function of image size * – Through-focus MTF – Delano diagrams – Relative illuminance * – Footprint * – Transmission functions (axial and for all chief rays) – Seidel bar chart • Ghost analysis * – Graphical and tabular evaluation – Ghost graph: lens drawing, gaussian beam & footprint
Merit functions used in design evaluation Evaluation of a lens is done through sampling state of aberration of the lens by computing light distribution across the lens including diffraction effect 1. Ray intercept plots 2. Spot diagrams 3. Point Spread Function (PSF) 4. Optical transfer function (OTF) 5. Modulation transfer function (MTF) L4 ME 297 SJSU Eradat Fall 2011 6 . Designing a simple

a default merit function such as the root mean square (RMS) wavefront aberration (useful when the system is close to the diffraction limit) or RMS spot size (useful
A merit function of the design is “Transverse ray aberration error” which is a function for reduction and minimization of transverse ray aberration. By using this merit function, the optimization simulations to obtain optimized variables R, A, B, C, and D for the target lenses are investigated in ray tracing-based optical design program. The result of the optimized variables of lenses are
Examples of the topographies of the wavefront-variance merit function at different aberration orders S. C. Johnston, Breault Research Organization 77 MTF optimization in lens design M. P. Rimmer, T. J. Bruegge, T. G. Kuper, Optical Research Associates 83 Optimization of tlie optical transfer function M. J. Kidger, P. Benham, Kidger Optics Ltd. (UK) 92 Enhancement of Conrady’s “D-d” method H
The merit function value has a quadratic shape, giving a smoother parameter space for the optimization and a more well- defined minimum. The MTF value, in contrast, is fairly flat within the spherical caustic.
The target values and weights of aberration target functions are automatically adjusted in order that the improvement of the aberration merit function is also linked to the improvement of the MTF merit function. Through exmaples it is shown that the MTF optimization used with the global optimization is effective to find good solutions as to the MTF merit function.
Proc. SPIE 4832, MTF optimization by automatic adjustment of aberration merit function, 0000 (23 December 2002); doi: 10.1117/12.486471 Read Abstract I present a fast MTF optimization method.
Build your merit function right the first time. It’s now easier to choose the right optimization method and find the right settings in the Optimization Wizard. The user interface of the Optimization Wizard has been simplified. Four optimization function criteria are now available in the default merit function: • Wavefront – Measures the aberration in waves • Contrast – Optimizes the MTF
17/05/2005 · The target value adjusting unit 37 has the function of automatically adjusting weights or target values of the merit function of aberration in a manner that the evaluated value of the MTF approaches the desired value, on the basis of the evaluation result of the MTF evaluation unit 36 and the merit function (Second function) with the MTF as the evaluation function, the MTF being set in the
CODE V Optical Design Software Design, Optimize and Fabricate Reliable Imaging Optics Overview Using CODE V, ORA engineers played a key role in the design and implementation of all the primary null lenses used in the highly successful Hubble Space Telescope First Servicing Mission, which dramatically improved the image quality. 2 Synopsys
Designers are often asked to optimize the modulation transfer function (MiT) of a particular lens at specific fields and spatial frequencies. Use of a merit function related to mean square spot size or wave aberration to achieve these goals frequently requires considerable designer intervention.
Standard Optical Design using Zemax
As a result the lens assembly transmissivity and MTF improve dramatically and other aberrations are reduced as a result of re-optimizing the lens assembly merit function. The cost and volume of the lens assembly are reduced as well. The optimized lens assembly could be used in rear or front projection display devices as a well as image acquisition devices.
2/05/2002 · Weights or target values of the merit function on aberration is automatically adjusted in a second optimization unit in a manner that an evaluated value of the MTF or the like approaches a desired value. The first optimization unit re-optimizes the optical system using the weights or target values which have been automatically adjusted. Thus, automated is a function equivalent to the …
The basic concept of this MTF optimization is to connect the improvement of the aberration merit function to the improvement of the MTF merit function. The target values and weights of aberration target functions are automatically adjusted in order that the improvement of the aberration merit function is also linked to the improvement of the MTF merit function.
Research Highlights We describe a novel application of PSO technique to the lens design. Merit functions in an optical system are employed as fitness functions. By using this function, the aberration correction is carried out. Design results show that PSO as optical design tools is practical and powerful. This method is no longer – merit fitness 725t plus treadmill manual Aberrations I representations, spot, Seidel, transverse aberration curves, Zernike wave aberrations 5 06.01. Aberrations II PSF, MTF, ESF 6 13.01. Optimization I algorithms, merit function, variables, pick up’s 7 20.01. Optimization II methodology, correction process, special requirements, examples 8 27.01. Advanced handling slider, universal plot, I/O of data, material index fit, multi
•MTF is the modulus of the OTF and is a function of spatial frequency •To compute the MTF at one spatial frequency we numerically integrate something like this: •The MTF is generally very slow to compute exactly at any given spatial frequency
The optimization is carried out with Zemax™ using multi- configurations and a special merit function, which is defined to optimize both the aberration and array performance.
displayed; therefore, in wave aberration optimization the value of each coefficient can be easily interpreted as RMS wave aberration and compared to the quantity R/20, the standard for a diffraction limited system and the equivalent of 90% Strehl definition. In 1967 design and optimization with Zernike coefficients was implemented in Eikona16 at the inception of the program. Thirty years later
Aberration theory Conic and ever asphere Singlet and doublet design Diagnostic tools for imaging of Zemax MTF and PSF Specifications of lens design Merit function and operands of Zemax Optimization The method of optimizing glass Work shop: VGA camera lens RMS spot and RMS wavefront Work shop: Double gauss lens Advanced method to control the resolution with MTF Hammer optimization …
4/11/2010 · It describes the effect of aperture diffraction and optical aberrations on the image of a sinusoidal distribution of light intensity as a function of the spatial frequency of this distribution. 23 This is a complex function, whose real part is termed the Modulation Transfer Function (MTF) and whose complex argument is called the Phase Transfer Function (PTF).
Introduction to the Optical Transfer Function CHARLES S. WILLIAMS and ORVILLE A. BECKLUND Dallas, Texas WILEY A Wiley-Interscience Publication
1/12/1998 · The performance is reported of new optimization software that maximizes the relative modulation transfer function (MTF) by minimizing the merit function (1 minus the approximate relative MTF). Contrary to the predictions of earlier studies, this merit function, whose only variable part is the variance of the wave aberration difference function, is shown to be effective for both poorly and well
Merit function and operands of Zemax Optimization The method of optimizing glass Work shop: VGA camera lens RMS spot and RMS wavefront Work shop: Double gauss lens Advanced method to control the resolution with MTF Hammer optimization Collimator design (seven methods total) ZPL macro to add operands automatic Make a customized report with ZPL Search the start point with global optimization
OpTaliX is a highly versatile optical design package used for demanding design work around the globe. OpTaliX is the standard for value and performance in optical engineering software.
MTF optimization in lens design Use of a merit function related to mean square spot size or wave aberration to achieve these goals frequently requires considerable designer intervention. We describe an algorithm whereby diffraction MTF is optimized directly.
ZEMAX ® Optical Design Program User’s Manual July 8, 2011 Radiant ZEMAX LLC support@zemax.com www.zemax.com
Standard Optical Design using Zemax ZEMAX Training
An automatic optimization algorithm is applied to alter the configuration and to find the best or adequate solution. An initial configuration could be parallel plates of glass to control the surface curvature. By defining many variables and a merit function the global search algorithms, combined with computer-aided design (CAD) tools, can find design forms with in-adequate and many
5/08/2010 · The present invention relates to the optimization of human visual function by correcting and/or optimizing high-order optical aberrations. The optimization is particularly useful for high performance activities especially under low light conditions.
In order to perform the automated adjustment to the merit function, the aberration optimization unit 35 performs evaluation of the MTF (Second evaluation) on the optical system optimized by the aberration optimization unit 35 on the basis of the data 35A of the optimal solution obtained by the aberration optimization unit 35 (Step S31).
l ray aberration, l root mean square optical path difference (RMS OPD), l modulation transfer function (MTF), l distortion, l relative illumination, l ghost image intensity, l total track length, l maximum surface height, l glass weight, l transmittance, l glass cost, l tolerance sensitivity, and so on. A major part of lens design is optimization, defined as the process of achiev-ing the
figures of merit based on the goals of the particular system, and optimization of the system variables in order to minimize the metrics and reach a final system [3].
The weighting inside and between each part of the merit function are flexible and can be iteratively adjusted during the design stage to achieve the balance of the design. 28–30 After formulating the merit function, the optimization engine can be applied to find the optimal design that achieves the global minimum of the merit function in the final step.
Approximate expressions for diffraction based image quality criteria like Strehl ratio or the relative Modulation Transfer Function in terms of the variance of the wave aberration function or the
3 and optimization results are summarized in section 4. In section 5 a sec- In section 5 a sec- ond optimization procedure for the restoration stage is proposed.
function of the amount of work done (e.g., number of rays traced). By using this criterion, a number of schemes By using this criterion, a number of schemes based on ray tracing are compared, and some highly efficient assessment procedures are developed.
Fast image-quality-based optimization of optical systems.

Application-Specific Optical Design Synopsys
including, in the merit function of a damped least- squares optimization program, contributions to the wave aberration (such as SI/& SI,/& S,,/2, S,,/4 and CJ2) in
the periodic function q(9) by a function f(9) with fractal profile. In Fig 1 (c) we have represented the 1-D In Fig 1 (c) we have represented the 1-D binary function associated to a member of the triadic Cantor set developed up to the third stage, S=3 [5].
The basic concept of this MTF optimization is to connect the improvement of the aberration merit function to the improvement of the MTF merit function. The target values and weights of aberration
both MTF optimization (i.e., an optimization merit function that directly optimizes diffraction-based MTF at specified frequencies) and MTF tolerancing. Visual Systems
Optical System Optimization Florian Bociort Delft University of Technology, Delft, The Netherlands INTRODUCTION Optimization capability is perhaps the most important feature of modern optical design software. Given a starting system, the software changes automatically the system parameters in order to make the system as good as possible, in a sense that will be made more pre-cise below. The
While attending this session, you will increase your knowledge of relay design and merit function techniques, as well as learn layout and performance plots, tolerancing and design of auxiliary null optics for figuring the hyperboloidal primary mirror.
Various analysis including (PSF, MTF, OTF, aberration, etc) Optimization and tolerance analysis Digital Projectors Imaging system interferometer Courtesy of ZEMAX. Used with permission. www.zemax.com. How to input? Inputs: Radius, thickness, glass (air/glass/mirror), …. μ¶ (obj) surface 0 surface 1 surface 2 surface 3 1 c(n0 cn)/R, 01 μ¶ 10 D/n 1 d0 d1 d2 d3 surface 4 surface radius
Fractal zone plates for wideband imaging with low

Optics Software for Layout and Optimization

700 am – 745 am ENVISION 2018 zemaxprod.azureedge.net

Use of OTF-based criteria in automatic optical design K.-J.

Introduction to the Optical Transfer Function GBV
– MTF optimization in lens design SPIE
Optical Design Program User’s Manual July 8 2011

Method and apparatus for optimizing optical system and

YouTube Embed: No video/playlist ID has been supplied

From the landscape lens to the planar lens a reflection

www.juanrayces.com
Fast image-quality-based optimization of optical systems.

Proc. SPIE 4832, MTF optimization by automatic adjustment of aberration merit function, 0000 (23 December 2002); doi: 10.1117/12.486471 Read Abstract I present a fast MTF optimization method.
Determine the appropriate “figure of merit” for use as a tolerance criteria Usually related to design MF RMS spot size, RMS wavefront error, MTF requirement, User defined merit function, boresight, etc.
In order to perform the automated adjustment to the merit function, the aberration optimization unit 35 performs evaluation of the MTF (Second evaluation) on the optical system optimized by the aberration optimization unit 35 on the basis of the data 35A of the optimal solution obtained by the aberration optimization unit 35 (Step S31).
The target values and weights of aberration target functions are automatically adjusted in order that the improvement of the aberration merit function is also linked to the improvement of the MTF merit function. Through exmaples it is shown that the MTF optimization used with the global optimization is effective to find good solutions as to the MTF merit function.
Designers are often asked to optimize the modulation transfer function (MiT) of a particular lens at specific fields and spatial frequencies. Use of a merit function related to mean square spot size or wave aberration to achieve these goals frequently requires considerable designer intervention.
1/08/2013 · The depth of field of an infinity-corrected microscope system is greatly extended by simply applying a specially designed phase mask between the objective and the tube lens. In comparison with the method of modifying the structure of objective, it is more cost effective and provides improved
The basic concept of this MTF optimization is to connect the improvement of the aberration merit function to the improvement of the MTF merit function. The target values and weights of aberration target functions are automatically adjusted in order that the improvement of the aberration merit function is also linked to the improvement of the MTF merit function.
14/02/2012 · The method relaxes the constraints of optically correcting lateral chromatic aberration and distortion on the lens assembly and instead electronically corrects for lateral chromatic aberration and distortion. As a result the lens assembly transmissivity and MTF improve dramatically and other aberrations are reduced as a result of re-optimizing the lens assembly merit function. The cost and
•MTF is the modulus of the OTF and is a function of spatial frequency •To compute the MTF at one spatial frequency we numerically integrate something like this: •The MTF is generally very slow to compute exactly at any given spatial frequency
function of the amount of work done (e.g., number of rays traced). By using this criterion, a number of schemes By using this criterion, a number of schemes based on ray tracing are compared, and some highly efficient assessment procedures are developed.
The diffraction OTF for a system with a wavefront aberration function W(x, y) at a given spatial frequency s is given by the integral OTF-based optimization criteria for automatic optical design Then 27.r2s 2 M(,) = 1 x-r-K(s) 27rs 0(s) = S- where
A merit function of the design is “Transverse ray aberration error” which is a function for reduction and minimization of transverse ray aberration. By using this merit function, the optimization simulations to obtain optimized variables R, A, B, C, and D for the target lenses are investigated in ray tracing-based optical design program. The result of the optimized variables of lenses are
Merit functions used in design evaluation Evaluation of a lens is done through sampling state of aberration of the lens by computing light distribution across the lens including diffraction effect 1. Ray intercept plots 2. Spot diagrams 3. Point Spread Function (PSF) 4. Optical transfer function (OTF) 5. Modulation transfer function (MTF) L4 ME 297 SJSU Eradat Fall 2011 6 . Designing a simple
aberration analysis, ray tracing, and image analysis. • Optimize Commands that set up and carry out optimization tasks. • Tolerance Commands that set up and carry out tolerancing tasks.
3 and optimization results are summarized in section 4. In section 5 a sec- In section 5 a sec- ond optimization procedure for the restoration stage is proposed.