Spherical aberration in spatial and temporal transforming lenses of
... Later, Kempe et al4 investigated the transmission of ultrashort light pulses by singlet lens and achromatic lens doublet taking into account diffraction effects. In terms of Fourier optics, he derived the basic equation for the transformation taking into account the dispersion in first and second or ...
... Later, Kempe et al4 investigated the transmission of ultrashort light pulses by singlet lens and achromatic lens doublet taking into account diffraction effects. In terms of Fourier optics, he derived the basic equation for the transformation taking into account the dispersion in first and second or ...
Bright-Field Microscopy
... Again, the spherical aberration is intermediate in achromatic and semi-apochromatic objective lenses. Objectives can be readily tested for chromatic and spherical aberration by using a homemade Abbe-test plate (Sanderson, 1992). The resolving power of the objective lens is characterized by its numer ...
... Again, the spherical aberration is intermediate in achromatic and semi-apochromatic objective lenses. Objectives can be readily tested for chromatic and spherical aberration by using a homemade Abbe-test plate (Sanderson, 1992). The resolving power of the objective lens is characterized by its numer ...
A NOVEL SENSOR FOR MONITORING SETTLEMENT Pingyu Zhu Hongyang Zeng
... applied in leakage of pipeline, in power plants or power transfer stations and concrete dams [6,6]. Those methods can not be simply introduced into a long earth embankment dam monitoring since the earth embankment dam is loose where the optical fiber can not work as it did in a concrete dams. There ...
... applied in leakage of pipeline, in power plants or power transfer stations and concrete dams [6,6]. Those methods can not be simply introduced into a long earth embankment dam monitoring since the earth embankment dam is loose where the optical fiber can not work as it did in a concrete dams. There ...
Technical Information on Optics
... chromatic aberrations, which cause different magnifications for different wavelengths. Coherence The constancy of phase relations between two waves. There are two types of coherence: temporal and spatial coherence. Coherence length The greatest optical path difference between two partial waves from ...
... chromatic aberrations, which cause different magnifications for different wavelengths. Coherence The constancy of phase relations between two waves. There are two types of coherence: temporal and spatial coherence. Coherence length The greatest optical path difference between two partial waves from ...
Constitutional Convention
... George Washington is standing on the raised platform on the right. Benjamin Franklin is shown sitting in the center. Alexander Hamilton is to the left of Franklin and is speaking with him. James Madison is shown sitting at the front, to the right of Benjamin Franklin, and to the right of the man in ...
... George Washington is standing on the raised platform on the right. Benjamin Franklin is shown sitting in the center. Alexander Hamilton is to the left of Franklin and is speaking with him. James Madison is shown sitting at the front, to the right of Benjamin Franklin, and to the right of the man in ...
English Colonial Failures in the 1500s
... George Washington is standing on the raised platform on the right. Benjamin Franklin is shown sitting in the center. Alexander Hamilton is to the left of Franklin and is speaking with him. James Madison is shown sitting at the front, to the right of Benjamin Franklin, and to the right of the man in ...
... George Washington is standing on the raised platform on the right. Benjamin Franklin is shown sitting in the center. Alexander Hamilton is to the left of Franklin and is speaking with him. James Madison is shown sitting at the front, to the right of Benjamin Franklin, and to the right of the man in ...
The Constitutional Convention Basics PDF
... George Washington is standing on the raised platform on the right. Benjamin Franklin is shown sitting in the center. Alexander Hamilton is to the left of Franklin and is speaking with him. James Madison is shown sitting at the front, to the right of Benjamin Franklin, and to the right of the man in ...
... George Washington is standing on the raised platform on the right. Benjamin Franklin is shown sitting in the center. Alexander Hamilton is to the left of Franklin and is speaking with him. James Madison is shown sitting at the front, to the right of Benjamin Franklin, and to the right of the man in ...
Microscopy Overview
... However, it can be shown that it is impossible to devise an instrument that can produce a perfect 3-D image of a 3-D object, because to have a perfect transverse image the system must satisfy Abbe's sine condition, but to have a perfect axial image the system must satisfy the Herschel condition. The ...
... However, it can be shown that it is impossible to devise an instrument that can produce a perfect 3-D image of a 3-D object, because to have a perfect transverse image the system must satisfy Abbe's sine condition, but to have a perfect axial image the system must satisfy the Herschel condition. The ...
Ultra–large field-of-view two-photon microscopy
... The design of the scan system begins with the selection of the objective. We seek a field-ofview that encompasses 10 mm, a numerical aperture (NA) to achieve 1-µm resolution, and a back aperture that does not exceed 25 mm. The singular choice is a 4-times magnification (f = 45 mm), 0.28 NA air-immer ...
... The design of the scan system begins with the selection of the objective. We seek a field-ofview that encompasses 10 mm, a numerical aperture (NA) to achieve 1-µm resolution, and a back aperture that does not exceed 25 mm. The singular choice is a 4-times magnification (f = 45 mm), 0.28 NA air-immer ...
Exam 4-WWP
... 19. A Young's double-slit apparatus is set up so that a screen is positioned 1.6 m from the double slits and the spacing between the two slits is 0.040 mm. What is the distance between the central and 1st bright fringes on the screen if the light source has a wavelength of 630 nm? ...
... 19. A Young's double-slit apparatus is set up so that a screen is positioned 1.6 m from the double slits and the spacing between the two slits is 0.040 mm. What is the distance between the central and 1st bright fringes on the screen if the light source has a wavelength of 630 nm? ...
Galileoscope Optics Guide - Teaching with Telescopes
... image of a distant object. By placing the velum screen in varying locations, students will determine the function of each lens in a basic refracting telescope. Build a Galileoscope: 20-30 minutes The students in groups of two or three will build the refracting telescope from the kit. They will then ...
... image of a distant object. By placing the velum screen in varying locations, students will determine the function of each lens in a basic refracting telescope. Build a Galileoscope: 20-30 minutes The students in groups of two or three will build the refracting telescope from the kit. They will then ...
Improved Reconstruction of Images Distorted by Water Waves
... Arturo Donate and Eraldo Ribeiro Department of Computer Sciences Florida Institute of Technology ...
... Arturo Donate and Eraldo Ribeiro Department of Computer Sciences Florida Institute of Technology ...
A 50" time-multiplexed autostereoscopic display
... A fivefold increase in image luminance has been achieved by the replacement of sequential colour on a single CRT with separate red, green and blue CRTs. The three colour channels are combined by dichroic mirrors and beam splitters. This, in conjunction with the longer optical path of the new device, ...
... A fivefold increase in image luminance has been achieved by the replacement of sequential colour on a single CRT with separate red, green and blue CRTs. The three colour channels are combined by dichroic mirrors and beam splitters. This, in conjunction with the longer optical path of the new device, ...
Physical Optics and Diffraction
... When any of the above assumptions fail, the image quality is degraded Useful to define the Strehl ratio as the ratio between the peak amplitude of the actual PSF and the peak amplitude expected in the presence of ...
... When any of the above assumptions fail, the image quality is degraded Useful to define the Strehl ratio as the ratio between the peak amplitude of the actual PSF and the peak amplitude expected in the presence of ...
Local Analysis of Visual Motion - Center for Neural Science
... We inhabit an ever-changing environment, in which sensing, processing and acting upon these changes can be essential for survival. When we move or when objects in the world move, the visual images projected onto each of our retinas change accordingly. The psychologist J. J. Gibson noted that importa ...
... We inhabit an ever-changing environment, in which sensing, processing and acting upon these changes can be essential for survival. When we move or when objects in the world move, the visual images projected onto each of our retinas change accordingly. The psychologist J. J. Gibson noted that importa ...
The Pathologist`s Microscope
... part of all microscope optics. Used incorrectly, it can choke off light and create false images. Used correctly, it can bring all microscope systems to their ultimate perfection. With Köhler alignment, the condenser illuminates the specimen with a beautiful, homogeneous cone of light that perfectly ...
... part of all microscope optics. Used incorrectly, it can choke off light and create false images. Used correctly, it can bring all microscope systems to their ultimate perfection. With Köhler alignment, the condenser illuminates the specimen with a beautiful, homogeneous cone of light that perfectly ...
Lecture-6-Optics
... Stops: Finite nature of lenses affects the energy and information collected and imaged by optical systems Important Definitions: ...
... Stops: Finite nature of lenses affects the energy and information collected and imaged by optical systems Important Definitions: ...
Advanced optics tutorials
... lens. This laser has a beam diameter of 0.63 mm and a divergence of 1.3 mrad. Note that these are beam diameter and full divergence, so in the notation of our figure, y1 = 0.315 mm and θ1 = 0.65 mrad. The KPX043 lens has a focal length of 25.4 mm. Thus, at the focused spot, we have a radius θ1f = 16 ...
... lens. This laser has a beam diameter of 0.63 mm and a divergence of 1.3 mrad. Note that these are beam diameter and full divergence, so in the notation of our figure, y1 = 0.315 mm and θ1 = 0.65 mrad. The KPX043 lens has a focal length of 25.4 mm. Thus, at the focused spot, we have a radius θ1f = 16 ...
Mirrors and Reflection NOTES
... 1. The focal length is negative (because the object and the focus are on opposite sides of the mirror) 2. The object and the focus are on opposite sides of the mirror (the focus is on the inside of the mirror and the object is on the outside) 3. Only virtual images are formed; all images are smaller ...
... 1. The focal length is negative (because the object and the focus are on opposite sides of the mirror) 2. The object and the focus are on opposite sides of the mirror (the focus is on the inside of the mirror and the object is on the outside) 3. Only virtual images are formed; all images are smaller ...
Optical Elements
... (in the middle), and mechanism of curing (at right). The lens housing must be deep enough to keep the lens entirely inside, preventing it from possible damage or contamination from outside ...
... (in the middle), and mechanism of curing (at right). The lens housing must be deep enough to keep the lens entirely inside, preventing it from possible damage or contamination from outside ...
IOSR Journal of Applied Physics (IOSR-JAP)
... An infrared camera or thermal imaging camera is a device that forms an image using infrared radiation emitted by object and its surrounding. Due to its reliance on variation of self-emitted radiation of scene contents rather than reflected radiation. It is superior to conventional cameras in many re ...
... An infrared camera or thermal imaging camera is a device that forms an image using infrared radiation emitted by object and its surrounding. Due to its reliance on variation of self-emitted radiation of scene contents rather than reflected radiation. It is superior to conventional cameras in many re ...
Stops: Finite nature of lenses affects the energy and... and imaged by optical systems
... Stops: Finite nature of lenses affects the energy and information collected and imaged by optical systems Important Definitions: Aperture Stop (A.S.) – Adustable leaf diaphragm that determines the light gathering ability of the lens. Field Stop (F.S.) – Limits the size or angular breadth of the obje ...
... Stops: Finite nature of lenses affects the energy and information collected and imaged by optical systems Important Definitions: Aperture Stop (A.S.) – Adustable leaf diaphragm that determines the light gathering ability of the lens. Field Stop (F.S.) – Limits the size or angular breadth of the obje ...
and the matrix
... refracting surface between two transparent media. For an extensive optical system this equation can be applied repeatedly to each surface of the system in turn. However the equations so derived quickly become involved algebraically for all but the simplest cases, such as, for example, the single thi ...
... refracting surface between two transparent media. For an extensive optical system this equation can be applied repeatedly to each surface of the system in turn. However the equations so derived quickly become involved algebraically for all but the simplest cases, such as, for example, the single thi ...
םימצמצ
... Stops: Finite nature of lenses affects the energy and information collected and imaged by optical systems Important Definitions: Aperture Stop (A.S.) – Adustable leaf diaphragm that determines the light gathering ability of the lens. Field Stop (F.S.) – Limits the size or angular breadth of the obje ...
... Stops: Finite nature of lenses affects the energy and information collected and imaged by optical systems Important Definitions: Aperture Stop (A.S.) – Adustable leaf diaphragm that determines the light gathering ability of the lens. Field Stop (F.S.) – Limits the size or angular breadth of the obje ...