Lenses and Waves: Christiaan Huygens and the Mathematical
... a comprehensive theory of the dioptrical properties of lenses and their configurations in telescopes, that goes by the title of Dioptrica. A second surprise is in store when one takes a closer looks to these papers on geometrical optics. The papers on dioptrics cover the Huygens’ complete scientific ...
... a comprehensive theory of the dioptrical properties of lenses and their configurations in telescopes, that goes by the title of Dioptrica. A second surprise is in store when one takes a closer looks to these papers on geometrical optics. The papers on dioptrics cover the Huygens’ complete scientific ...
Introduction to Diffraction Grating
... light. The efficiency is also affected by the grating design parameters such as blaze angle for the ruled gratings and profile depth for the holographic gratings. The Ruling Process Ruling an original or master grating requires an appropriate substrate (usually glass or copper), polishing the substr ...
... light. The efficiency is also affected by the grating design parameters such as blaze angle for the ruled gratings and profile depth for the holographic gratings. The Ruling Process Ruling an original or master grating requires an appropriate substrate (usually glass or copper), polishing the substr ...
Choosing Mesh Parameters for Complex Systems
... • Scaling the mesh is important when propagating with significant wavefront curvature. • The convolution propagator can be modified to model propagation relative to a spherical reference wavefront curvature such that the mesh spacing can follow the curvature of the wavefront. • We call this Spherica ...
... • Scaling the mesh is important when propagating with significant wavefront curvature. • The convolution propagator can be modified to model propagation relative to a spherical reference wavefront curvature such that the mesh spacing can follow the curvature of the wavefront. • We call this Spherica ...
simulation methods to evaluate and optimize optical designs in
... EVALUATE AND OPTIMIZE OPTICAL DESIGNS IN ORDER TO IMPROVE THE PRESBYOPIA CORRECTION”, resume el trabajo de investigación realizado, por Dª Cari Pérez Vives y constituye su Tesis para optar al Grado de Doctor en Optometría y Ciencias de la Visión. ...
... EVALUATE AND OPTIMIZE OPTICAL DESIGNS IN ORDER TO IMPROVE THE PRESBYOPIA CORRECTION”, resume el trabajo de investigación realizado, por Dª Cari Pérez Vives y constituye su Tesis para optar al Grado de Doctor en Optometría y Ciencias de la Visión. ...
spherical aberration
... The magnitude of the differences between the tangential and sagittal MTF components clearly show more variability for the unequal conic design. ...
... The magnitude of the differences between the tangential and sagittal MTF components clearly show more variability for the unequal conic design. ...
spherical aberration
... The magnitude of the differences between the tangential and sagittal MTF components clearly show more variability for the unequal conic design. ...
... The magnitude of the differences between the tangential and sagittal MTF components clearly show more variability for the unequal conic design. ...
AOK2-UP01 - February 2, 2015
... Figures 2 and 3 below are photographs showing two different views of an assembled AOK1-UP01 AO Kit. The cage components are divided into three pre-aligned pieces that need to be arranged on a user-supplied breadboard: two sections of preassembled cage components are used together to image a beam wai ...
... Figures 2 and 3 below are photographs showing two different views of an assembled AOK1-UP01 AO Kit. The cage components are divided into three pre-aligned pieces that need to be arranged on a user-supplied breadboard: two sections of preassembled cage components are used together to image a beam wai ...
Properties of a 4Pi confocal fluorescence microscope
... spherical wave front and the presence of aplanatic illumination force additional elevations along the optical axis that reach peak values of 0.58. For calculation of the resolution of the type-A 4Pi confocal fluorescence microscope (4Pi illumination and normal detection), the illumination point-spre ...
... spherical wave front and the presence of aplanatic illumination force additional elevations along the optical axis that reach peak values of 0.58. For calculation of the resolution of the type-A 4Pi confocal fluorescence microscope (4Pi illumination and normal detection), the illumination point-spre ...
TECHNICAL GUIDE
... with different optical properties (most notably refractive index), part of the light is reflected and part of the light is transmitted. The intensity ratio of the reflected and transmitted light is primarily a function of the change in refractive index between the two media, and the angle of inciden ...
... with different optical properties (most notably refractive index), part of the light is reflected and part of the light is transmitted. The intensity ratio of the reflected and transmitted light is primarily a function of the change in refractive index between the two media, and the angle of inciden ...
The List of Author`s Publications
... [15], d) thermally driven mirrors [16; 17], e) static compensators [18]. However, none of the mentioned methods is considered as “standard” approach for thermal effect mitigation. Thermal effects have to be treated individually during design of every high average power and/or high output beam qualit ...
... [15], d) thermally driven mirrors [16; 17], e) static compensators [18]. However, none of the mentioned methods is considered as “standard” approach for thermal effect mitigation. Thermal effects have to be treated individually during design of every high average power and/or high output beam qualit ...
Increasing the Resolution of Far
... Microscopy plays a key role in many areas of modern science. This is probably because visual perception is the most important way of obtaining information for humans. Therefore, the visualization of minute structures contributed a great deal to the better understanding of many phenomena in nature. T ...
... Microscopy plays a key role in many areas of modern science. This is probably because visual perception is the most important way of obtaining information for humans. Therefore, the visualization of minute structures contributed a great deal to the better understanding of many phenomena in nature. T ...
ELEC425 lab 5
... cladding of the fibers. Several designs using beam splitting techniques have been developed. These have not found widespread use because of the problem of maintaining the alignment of discrete micro-optic components under extreme conditions. However, this type of device has an advantage over the eva ...
... cladding of the fibers. Several designs using beam splitting techniques have been developed. These have not found widespread use because of the problem of maintaining the alignment of discrete micro-optic components under extreme conditions. However, this type of device has an advantage over the eva ...
Modeling Moiré: Visual Beat Effects in Nature and Optical Metrology
... with gratings that are not linear or that are not strictly periodic (quasiperiodic). The simulations consisted of creating virtual gratings of different pitch and overlapping them using M ATHEMATICA to study the resulting patterns. We were inspired by the existing simulations on the Wolfram Mathemat ...
... with gratings that are not linear or that are not strictly periodic (quasiperiodic). The simulations consisted of creating virtual gratings of different pitch and overlapping them using M ATHEMATICA to study the resulting patterns. We were inspired by the existing simulations on the Wolfram Mathemat ...
Sidelobe decline in single-photon 4Pi microscopy by Toraldo rings
... necessary that the width of the two factors be comparable and then that the ratio ð1 þ cos aÞ=ð1 2 cos aÞ be as low as possible. Therefore, if one wants to implement a 4Pi(c) microscope in which the axial sidelobes of the PSF be small, the NA of the objectives must be as high as possible. An example ...
... necessary that the width of the two factors be comparable and then that the ratio ð1 þ cos aÞ=ð1 2 cos aÞ be as low as possible. Therefore, if one wants to implement a 4Pi(c) microscope in which the axial sidelobes of the PSF be small, the NA of the objectives must be as high as possible. An example ...
tesis completa - Visual Optics and Biophotonics Lab
... 3. Imaging technique of the anterior segment of the eye: an overview. 3.1. Tecniques based on specular reflections from the ocular components 3.1.1. Corneal videokerastocopy. 3.1.2. Keratometry. 3.1.3. Purkinje imaging phakometry. 3.2. Ultrasound based techniques..................................... ...
... 3. Imaging technique of the anterior segment of the eye: an overview. 3.1. Tecniques based on specular reflections from the ocular components 3.1.1. Corneal videokerastocopy. 3.1.2. Keratometry. 3.1.3. Purkinje imaging phakometry. 3.2. Ultrasound based techniques..................................... ...
OPTI 517 Image Quality
... collected by a single circular or square detector to the total amount of energy that reaches the image plane from that object point – This is a popular metric for system engineers who, reasonably enough, want a certain amount of collected energy to fall on a single pixel – It is commonly used for sy ...
... collected by a single circular or square detector to the total amount of energy that reaches the image plane from that object point – This is a popular metric for system engineers who, reasonably enough, want a certain amount of collected energy to fall on a single pixel – It is commonly used for sy ...
Direct spatiotemporal measurements of accelerating ultrashort
... A fused-silica axicon with an apex angle of 176° was used, which transforms plane wave pulses at λ0 = 805 nm into conical wave pulses (Bessel-X pulses) with θa = 0.92°. We used lenses with focal lengths of + 153 mm and −152 mm. For convenience in the actual set-up, the axicon was mounted behind the ...
... A fused-silica axicon with an apex angle of 176° was used, which transforms plane wave pulses at λ0 = 805 nm into conical wave pulses (Bessel-X pulses) with θa = 0.92°. We used lenses with focal lengths of + 153 mm and −152 mm. For convenience in the actual set-up, the axicon was mounted behind the ...
Modern Optical Engineering
... A new, simple, and easily understood derivation of the conservation of brightness and radiance has been added. New or expanded tables of brightness, illumination, and reflectance have been included, and the searchlight figure is improved. New equations for telescope (or afocal) component powers, eye ...
... A new, simple, and easily understood derivation of the conservation of brightness and radiance has been added. New or expanded tables of brightness, illumination, and reflectance have been included, and the searchlight figure is improved. New equations for telescope (or afocal) component powers, eye ...
Zemax, LLC Getting Started With OpticStudio 16
... All files may be downloaded from www.zemax.com/downloads. The OpticStudio installer is a complete install package, containing the OpticStudio program (ZOS), USB license drivers, and third-party prerequisites required to run ZOS. Make sure that your hardware key is not plugged into the machine before ...
... All files may be downloaded from www.zemax.com/downloads. The OpticStudio installer is a complete install package, containing the OpticStudio program (ZOS), USB license drivers, and third-party prerequisites required to run ZOS. Make sure that your hardware key is not plugged into the machine before ...
Introduction to Diffraction Grating
... light. The efficiency is also affected by the grating design parameters such as blaze angle for the ruled gratings and profile depth for the holographic gratings. The Ruling Process Ruling an original or master grating requires an appropriate substrate (usually glass or copper), polishing the substr ...
... light. The efficiency is also affected by the grating design parameters such as blaze angle for the ruled gratings and profile depth for the holographic gratings. The Ruling Process Ruling an original or master grating requires an appropriate substrate (usually glass or copper), polishing the substr ...
A reconfigurable plasmofluidic lens ARTICLE Chenglong Zhao *, Yongmin Liu
... he field of plasmonics has become a very active branch in nanophotonics1,2. Utilizing the unique properties of surface plasmon polaritons (SPPs), which occur at the interface of metals and dielectrics3, plasmonic devices are capable of confining light in dimensions smaller than the Abbe diffraction li ...
... he field of plasmonics has become a very active branch in nanophotonics1,2. Utilizing the unique properties of surface plasmon polaritons (SPPs), which occur at the interface of metals and dielectrics3, plasmonic devices are capable of confining light in dimensions smaller than the Abbe diffraction li ...
Imaging Properties of Laser-Produced Parabolic Profile Microlenses
... From Fig. 1 one can see that all microlenses have the diffraction limited performance or near diffraction limited performance. If the wave front aberration is smaller than diffraction then the diffraction limits performances of optical system, for the optical system with smaller aberrations than the ...
... From Fig. 1 one can see that all microlenses have the diffraction limited performance or near diffraction limited performance. If the wave front aberration is smaller than diffraction then the diffraction limits performances of optical system, for the optical system with smaller aberrations than the ...
Optical aberrations of intraocular lenses measured in vivo and in vitro
... and resolution methods.2–4 Efforts have been made to standardize optical quality specifications to compare different designs and manufacturers: (American National Standard for Ophthalmics—Intraocular Lenses, and International Organization for Standardization (ISO) 11979-2 Ophthalmics Implants—Intrao ...
... and resolution methods.2–4 Efforts have been made to standardize optical quality specifications to compare different designs and manufacturers: (American National Standard for Ophthalmics—Intraocular Lenses, and International Organization for Standardization (ISO) 11979-2 Ophthalmics Implants—Intrao ...
Sparse synthetic aperture with Fresnel elements (S
... Recently, a new type of imaging system with super-resolution capabilities has been proposed by Katz and Rosen, dubbed synthetic aperture with Fresnel elements (SAFE) [10]. This method is based on the recently developed non-scanning, incoherent holographic system, called Fresnel incoherent correlatio ...
... Recently, a new type of imaging system with super-resolution capabilities has been proposed by Katz and Rosen, dubbed synthetic aperture with Fresnel elements (SAFE) [10]. This method is based on the recently developed non-scanning, incoherent holographic system, called Fresnel incoherent correlatio ...
LUMINOSITY ENHANCEMENT BY A SELF
... similar to the e- case, but, for underdense lenses, the plasma electrons oscillate in the field of the beam and provide a focusing force while in the beam interior. In general, the p-function the third order differential ...
... similar to the e- case, but, for underdense lenses, the plasma electrons oscillate in the field of the beam and provide a focusing force while in the beam interior. In general, the p-function the third order differential ...
Schneider Kreuznach
Schneider Kreuznach (German pronunciation: [ˌʃnaɪdɐ ˈkʁɔʏtsnax]) is the abbreviated name of the company Jos. Schneider Optische Werke GmbH, which is sometimes also simply referred to as Schneider. They are a manufacturer of industrial and photographic optics. The company was founded on 18 January 1913 by Joseph Schneider as Optische Anstalt Jos. Schneider & Co. at Bad Kreuznach in Germany. The company changed its name to Jos. Schneider & Co., Optische Werke, Kreuznach in 1922, and to the current Jos. Schneider Optische Werke GmbH in 1998.The company is known partly for its many innovative lens designs over the course of its existence. In 2001, Schneider received an Oscar for Technical Achievement for their Super-Cinelux motion picture lenses. They are best known as manufacturers of high-quality large format lenses for view cameras, enlarger lenses, and high quality photographic loupes. They also make a limited amount of small- and medium-format lenses, and have, at various times, manufactured eyeglasses and camera rangefinders, as well as being an OEM lens maker for Kodak and Samsung digital cameras. They currently supply the lenses for the LG Dare, LG Viewty KU990, LG Renoir KC910, LG Viewty Smart GC900 and the LG enV Touch. They also supplied the lenses for the Kodak Regent camera in the 1930s and the classic Kodak Retina and Kodak Retinette camera series in the 1950s and 1960s. In 1961, they created Feinwerktechnik GmbH, a manufacturer of electrical-hydraulic servo valves. Over the past several years, they have acquired several other companies:In 1985, they acquired the B+W Filter Manufacturing Company (founded in 1947 by partners Biermann and Weber), maker of the well-respected line of B+W filters. In July 1987, they purchased Rollei Fototechnic GmbH.In 1989, they purchased Käsemann/Oberaudorf, a manufacturer of glass and plastic polarizing materials.After 1991 they acquired the former East-German (GDR) camera and lens manufacturer Pentacon/Practica (Dresden)In 2000, they acquired Century Optics, an American lensmaking firm.From the start of its production in 1914, Schneider had produced their 500,000th lens by June 1932, their millionth by November 1936, and their 10 millionth lens by January 1967. As of April 2000, they have produced over 14,730,000 lenses. The list below converts any cm designations on earlier lenses to mm (so a 16.5 cm lens is shown as a 165 mm lens).