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Some lens design methods - University of Arizona
pits, dust, etc. will be right in focus so we spit the positive field lens into two identical thick meniscus lenses on either side of the intermediate image but a little away from it. A thick meniscus lens with the same radius on both sides has positive power and no Petzval curvature, another useful designer “trick”.
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REVIEW ARTICLE Review of black surfaces for space-borne ...
wp.optics.arizona.eduREVIEW ARTICLE Review of black surfaces for space-borne infrared systems M. J. Perskya) Lincoln Laboratory, Massachusetts Institute of Technology, 244 Wood Street, Lexington, Massachusetts
Tutorial on How to Do FEA in ProE - University of …
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Stress – Strain Relationships
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Lab 10: Refracting Telescopes - wp.optics.arizona.edu
wp.optics.arizona.edutelescope is a Keplerian or Astronomical telescope4.1 (a). If the , shown in Fig. eyepiece has negative power, the telescope is a Galilean telescope, shown in Fig. 4.1 (b). Note that in both cases the distance between the two elements is equal to the sum of the ... Lab 10: Refracting Telescopes ...
Pressure Vessels Stresses Under Combined Loads Yield ...
wp.optics.arizona.eduThin-walled pressure vessels are one of the most typical examples of plane stress. When the wall thickness is thin relative to the radius of the vessel, plane
An Introduction to the Optics Manufacturing Process
wp.optics.arizona.eduOct 31, 2008 · process, melted plastic is pressed into a mold (spherical or aspheric), then cooled and ejected from the mold. The injection molding process must be carefully controlled, especially the flow of the plastic and cooling, since stress patterns can show up within the lens. Figure 10: Schematic of an injection molding tool
Zernike Polynomials - University of Arizona
wp.optics.arizona.eduZernike Polynomials 1 Introduction Often, to aid in the interpretation of optical test results it is convenient to express wavefront data in polynomial form. Zernike polynomials are often used for this purpose since they are made up of terms that are of the same form as the types of aberrations often observed in optical tests (Zernike, 1934).
Introduction to ISO 10110 - University of Arizona
wp.optics.arizona.edu• One comment on Zernike polynomials – The standard uses the FRINGE monomial p-v ordering – I think this is short sighted – You should use double indices as in – Where I is the power of the radial parameter, and – j is the angular order j α i
Statics – no motion
wp.optics.arizona.eduAug 12, 2016 · Static Equilibrium. Static Equilibrium Definition: When forces acting on an object which is at rest are balanced, then the object is in a state of static equilibrium. - No translations - No rotations . In a state of . static equilibrium, the resultant of the forces and moments equals zero. That is, the vector sum of the forces and moments adds ...
Spherical Aberration - University of Arizona
wp.optics.arizona.eduspherical aberration can be controlled. •Relay lens corrects bulk of spherical aberration •Filed lens redistributes rays on the relay lens so that a good wavefront match can take place. •Can test a large mirror with small lenses.
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