ATMOS Optical Design and Analysis Software


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ATM Optical Design and Analysis Software

written by Massimo Riccardi


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NEW 8.2 Version (April 2008)

(now supporting Ghost Analysis and Element Drawings )



ATMOS History

My name is Massimo Riccardi I am an italian advanced Amateur Telescope Maker and designer.
(I also have good experience with telescope designing and glassworking: Doublets, Triplets, Catadioptrics, etc..).
Several years ago, after mastering my optical knowledge, I felt the need of a program capable to perform SpotDiagrams for many wavelengths at the same time. So, just for fun, in that period I tried to write a routine capable to perform such polichromatic Spotdiagrams using the only programming language I knew: QBASIC.
I did it and I succeeded and, as it often happens, I felt the need to improve it again by adding several analysis routines.
It was born the first version of "ATMOS" (Amateur Telescope Maker Optical design and analysis Software).
At that time it was for personal use only.
Then,unsatisfied with DOS & QBASIC capabilities, I chose a programming language that ran under MS-WINDOWS.
In this way I could get not only a better program "look" but most of all a user-friendly interface with many windows, buttons, textboxes where you can type the data or display the results.
So I rewrote ATMOS in Visual Basic and added much more analysis routines and useful telescope design tools.

ATMOS now is a powerful program with a user-friendly interface that allows the user to Analyze, Design and OPTIMIZE Centered/Uncentered optical systems.
Atmos is appreciated by amateurs and professional users and is under continuous developement.

Current ATMOS version supports up to 100 surfaces and Obscuration Screens. It includes a powerful routine for Optimization,adjustable Aperture Stop position and supports both Finite/Infinte Object Distance .It also displays an improved 2D, 3D-Layouts .



I wish to thank :

  • Rick Blakley for his patience in testing my software
  • Ivan Krastev, author of MODAS optical software for the common work and suggestions exchanged over the last years
  • Fritz Blechinger, a professional designer, author of OpTalix optical software
  • Cor Berrevoets author of ABERRATOR
  • Jim Klein author of ODP optical design software for his help and encouragement.

  • ROLAND CHRISTEN the owner of "Astro-Physics" (the well-known telescopes firm).




    - ATMOS 8.2 Features

    ATMOS 8.2 incorporates a wide range of features :

    Systems
    Number of Surfaces
    Surface Types

    Number of waveLengths
    Number of rays
    Object Distance
    Aperture Stop
    Centered and Uncentered
    up to 100 + focal plane
    Spheres,Conics ,High-Orders
    Obscuration Screens
    up to 6
    up to 30000
    Finite/Infinity
    Adjustable position

    ANALYSIS (graphical and/or tabular)

    • Multi-Analysis Plot
    • Polichromatic Detailed SpotDiagrams
    • Multi-SpotDiagrams (through focus/field)
    • Matrix SpotDiagrams
    • Total Field SpotDiagrams
    • RMS Spot radius Versus: Focus,Field,WaveLength
    • RMS Wavefront Versus: Focus,Field,WaveLength
    • STREHL ratio Versus: Focus,Field,WaveLength
    • Geometric Encircled Energy Plot
    • Diffraction Encircled Energy Plot
    • 3D-Geometric Point Spread Function
    • 3D-Diffraction Point Spread Function
    • Geometric MTF
    • Geometric through focus MTF
    • Diffraction MTF
    • Diffraction through focus MTF
    • Ray-Intercept Curves
    • OPD Fan Plot
    • 3D-Wavefront Surface
    • Wavefront Map
    • Zernike Analysis
    • Ronchigram
    • Simulated color diffraction image
    • Interferogram
    • Spherical Aberration
    • Coma (OSC)
    • Astigmatism, Field Curvature
    • Distortion
    • Lateral Color
    • Chromatic Focal Shift
    • Real Rays
    • Paraxial Calculation
    • Vignetting Plot
    • Ghost Analysis
    • 2-D LAYOUT
    • 3-D LAYOUT


    TOOLS

    • OPTIMIZATION (curvatures,thicknesses and conics)
    • Best Focus Position
    • Scale system to a new focal length
    • Scale system by factor
    • Sagitta table
    • Aberration Allowances
    • Element Drawings
    • System Data Report
    • Schott glass catalogue (built in)
    • Ohara glass catalogue (built in)
    • Corning glass catalogue (built in)
    • Hoya glass catalogue (built in)
    • LZOS (russian) glass catalogue (built in)
    • Special Medium catalogue (Fluorite plus several plastic materials)
    • Shott ,Ohara,Corning,Hoya ,Lzos and Special medium dispersion diagrams
    • Create and Export .OPD files to ABERRATOR package


    TELESCOPE DESIGN Capability

    One of the most useful and pleasant tool for the ATM is the "Telescope Design" Menu.
    You can easily and quickly design and then analyze about 30 optical configurations:

    • Newtonian
    • Two Mirrors (All Cassegrain types,all Gregoryan types,Couder-Schwarzschield)
    • Schmidt and Wright cameras
    • Schmidt Cassegrain (compact and no-compact Schmidt-Cass. types, Monocentric Schmidt-Cass.)
    • Maksutov (new design window)
    • Maksutov-Cassegrain (new design window)
    • Lurie-Houghton (all-spherical and aspherical types)
    • Houghton-Cassegrain (all-spherical and aspherical types)
    • Doublets
    • Triplets





    - ATMOS 8.2 ANALYSIS SLIDES


    The following are some screen shots taken from ATMOS.

    -LENS DATA EDITOR

    Dati


    -MULTI-ANALYSIS PLOT

    Dati


    -MATRIX Spot-Diagam

    SpotDiagram


    -Polichromatic MULTI-SPOTDIAGRAM (through Focus/Field)

    MultiSpotDiagram



    -GHOST Analysis

    Ghost



    -STREHL Ratio versus WaveLength
    StrehlvsWL



    -Diffraction POINT SPREAD FUNCTION (FFT method))
    DiffPSF



    -Simulated Color Diffraction Image
    visualSim



    -WAVEFRONT (3D rotation)
    Wavefront



    -Interferogram

    Interferogram



    -RONCHIGRAM

    Ronchigram



    -Through focus MTF (Modulation Transfer Function)

    MTF



    -Longitudinal,Transversal SPHERICAL ABERRATION and COMA (Offense against the Sine Condition)
    SpherAb



    -OPTIMIZATION window
    Optimization



    - 2D and 3D LAYOUTS
    2DLayout


    3DLayout




    - Element DRAWINGS
    Drawings





    - ATMOS TELESCOPE DESIGN SLIDES


    Here are some screen shots from the "Telescope Design" Menu':

    - MAKSUTOV-CASSEGRAIN DESIGN WINDOW
    MakCassegrain



    -TRIPLET DESIGN WINDOW
    Triplet



    -SCHMIDT-CASSEGRAIN DESIGN WINDOW
    Schmidt-Cassegrain





    - Download ATMOS FreeWare


    This is full function program, but limited up to 3 optical surfaces (except for the sample files). You can design and analyze with this version Newtonian and classical two mirror telescopes . This version will introduce you to the ATMOS interface and give you a feel for the features of the program Obviously,it cannot do everything the real program can.
    ATMOS FREEWARE comes with 36 sample files, and you can load up and analyze any of them.

    Download the following file:

    - ATMOS FreeWare - (about 3 MB)

    After downloading "Atmos Freeware.zip" , unzip it then double-click on "setup.exe" for ATMOS self-installation.




    - CONTACT

    ATMOS can be delivered either via e-mail or on CD-ROM by postal air mail .
    Delivery via e-mail is preferred.


    -EUROPE
    Please write to Massimo Riccardi at :
    rimassimo@alice.it
    rimax@atmos-software.it

    -Outside EUROPE
    Please visit/contact Astro-Physics website at :

    ASTRO-PHYSICS

    11250 Forest Hills Road, Rockford, IL 61115, U.S.A. Phone: 815-282-1513 Fax: 815-282-9847




    - Links

    MODAS , Ivan Krastev Modern Optical Software
    OpTaliX optical design package written by Fritz Blechinger
    ABERRATOR written by Cor Berrevoets is a Freeware that generates Star-Testings images to show the effects of aberrations influencing the quality of a telescope.
    Astro Service Wolfgang Rohr's website for optical testing.
    URANOPORT





    I'm not responsible for any damages during or after the use of ATMOS optical design and analysis software.



    Last update April 2008
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