By Max J. Riedl
Optical layout: using the basics is written for engineers and scientists who've a few event within the box of optics and need to grasp extra in regards to the info and derivations of equations utilized in optical layout. equipped through topic, the ebook starts off with the basic legislations of geometric optics, Snell's legislations of refraction, and states the paraxial ray hint equations, then strikes directly to skinny lenses and more and more subtle elements and multi-element structures. every one topic is roofed extensive and offers finished details on functionality and boundaries. whereas the textual content relies on normal optical legislation, specific emphasis has been put on the 2, significant infrared areas the mid wave (MWIR) and the lengthy wave (LWIR). this is often rather vital in regards to diffractive hybrids, that have came upon their position in those lengthy wavelength components for the correction of chromatic aberrations and athermalization. reviews in terms of unmarried element diamond turning have additionally been incorporated simply because this approach is predominantly used to supply optical parts for the infrared areas. Contents - legislation of Refraction: the basis of Geometrical Optics - Optics basics - top Shapes for a number of skinny Lenses, Aspherizing, and the usual cease place - Transition from a skinny Lens to a Thick Lens - Achromats - structures with Separated elements - From An Air-Spaced Doublet to a Triplet - A Hybrid for 2 Wavelengths - Athermats - The Ball Lens - Siedel and the Pegel Diagrams - The Single-Imaging reflect - 8 unmarried Optical components as Imaging pursuits - A development of functionality with a rise in Lens Complexity - Two-Mirror structures as Telescope and Microscope targets - The Plane-Parallel Plate - MTF, Limits, and Pixel Sizes - information of a Hybrid Lens - From the Hoegh Meniscus to Double Anastigmats - Index
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Additional info for Optical Design: Applying the Fundamentals (SPIE Tutorial Text Vol. TT84) (SPIE Tutorial Texts)
010231. 006065 . 885496 mm. 13397 . 643146 . 4 1 100 253 In the first case, the aspheric surface is a prolate ellipsoid, in the second it is an oblate ellipsoid. 4 Correcting Coma and Spherical Aberration If spherical aberration and coma are to be eliminated, the procedure is to remove coma first by selecting the proper curvatures of the lens, and then to aspherize one of the two surfaces. 1 Eliminating coma For an object located at infinity, sagittal coma of a thin lens is stated by Eq.
McGraw-Hill, New York (2008). 1 Introduction Expanding on the previous case for a single lens in Chapter 2, we develop expressions for elements of a multiple lens arrangement, made from the same material and individually bent for minimum spherical aberration. We then demonstrate the benefit of an aspheric surface. This is especially of interest for elements used in the infrared spectrum because they can be routinely machined with the process of single-point diamond turning. Coma can be eliminated by properly shaping the single element or by placing the aperture stop at a specific position, which is referred to as the natural stop position.
1) b Vb for the rear element. 2) and Va and Vb are the mentioned Abbe numbers for the two elements. With a na 1 ca and b nb 1 cb , Eqs. 2) change to na 1 ca Va and Va Vb nb 1 cb Vb , Vb Va from which we can extract the net curvature for the front element a: 39 40 Chapter 5 ca Va . 3) The net curvature of the rear element b is cb Vb . 5ca . , cb1 ca 2 . With that, ca1 Va ca 2 . 5) Furthermore, since cb1 ca 2 and cb Vb Vb Va nb 1 cb 2 ca 2 cb ca1 , Vb .
Optical Design: Applying the Fundamentals (SPIE Tutorial Text Vol. TT84) (SPIE Tutorial Texts) by Max J. Riedl