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A high numerical aperture (NA = 0.92)
... 0.92. Tailored to the requirements of optical lattice experiments, the objective lens features a relatively long working distance of 150 µm. Our two-lens design is remarkably insensitive to mechanical tolerances in spite of the large NA. Additionally, we demonstrate the application of a tapered opti ...
... 0.92. Tailored to the requirements of optical lattice experiments, the objective lens features a relatively long working distance of 150 µm. Our two-lens design is remarkably insensitive to mechanical tolerances in spite of the large NA. Additionally, we demonstrate the application of a tapered opti ...
CC_A3_C2_photo2_old
... sources other than UV light have been studied for some time. • An electron beam is exceptionally “narrow”, and does not require a mask • Low throughput limits use in manufacturing ...
... sources other than UV light have been studied for some time. • An electron beam is exceptionally “narrow”, and does not require a mask • Low throughput limits use in manufacturing ...
Lasers and lenses - University of Toronto
... The first consideration when purchasing a lens for focusing the beam of the ODT should be what focal length to use. The vacuum chamber is 7.5cm wide meaning that the atom cloud to be trapped will be located approximately 3.75cm inside the cell. This means that the focusing lens must have a focal len ...
... The first consideration when purchasing a lens for focusing the beam of the ODT should be what focal length to use. The vacuum chamber is 7.5cm wide meaning that the atom cloud to be trapped will be located approximately 3.75cm inside the cell. This means that the focusing lens must have a focal len ...
Deep subwavelength nanolithography using localized surface plasmon modes on
... resolution can be improved by using either shorter wavelengths or higher numerical apertures. Although the semiconductor industry has made significant progress in increasing the lithography resolution in the past decades, further improvement of the resolution by accessing shorter wavelengths is faci ...
... resolution can be improved by using either shorter wavelengths or higher numerical apertures. Although the semiconductor industry has made significant progress in increasing the lithography resolution in the past decades, further improvement of the resolution by accessing shorter wavelengths is faci ...
A History of Imaging
... of signal processing. As indicated by the quantum imaging example, electronics and signal processing offer new dimensions in imaging that were not previously thought possible. The potential for advances in digital imaging is often referenced to Moore’s Law—that the number of transistors per area in a ...
... of signal processing. As indicated by the quantum imaging example, electronics and signal processing offer new dimensions in imaging that were not previously thought possible. The potential for advances in digital imaging is often referenced to Moore’s Law—that the number of transistors per area in a ...
Spherical mirrors in the paraxial approximation [Pages 181-187]. Assignment 2
... Please read through the derivation of these relationships. Problems The equipment will be available in Room 212B. Please work on these problems right away, so we can discuss your conceptual understanding, any needed theory and work out any problems. Problem 1 Methods to Determine the Focal Length of ...
... Please read through the derivation of these relationships. Problems The equipment will be available in Room 212B. Please work on these problems right away, so we can discuss your conceptual understanding, any needed theory and work out any problems. Problem 1 Methods to Determine the Focal Length of ...
Astronomy 100 Name(s):
... significant consideration for a telescope. Though a planet is quite large, its image in the eyepiece is quite small; in order to see detail, the image must be magnified. ...
... significant consideration for a telescope. Though a planet is quite large, its image in the eyepiece is quite small; in order to see detail, the image must be magnified. ...
323
... • Upon completion of the course the student is expected to have the following skills:understand the principles of geometrical optics • apply geometrical optics to optical instruments • mathematically describe optical waves • perform superpositions of two or more waves in the context of interference ...
... • Upon completion of the course the student is expected to have the following skills:understand the principles of geometrical optics • apply geometrical optics to optical instruments • mathematically describe optical waves • perform superpositions of two or more waves in the context of interference ...
Tutorial of Telecentric Lens
... of the other, but for the photo taken by fixed focal length lens is so obvious the bigger cube is in front of the smaller one. This comparison described the importance of minimizing the parallel error, because in real life, automated inspection tasks are imaging objects that move through the field o ...
... of the other, but for the photo taken by fixed focal length lens is so obvious the bigger cube is in front of the smaller one. This comparison described the importance of minimizing the parallel error, because in real life, automated inspection tasks are imaging objects that move through the field o ...
Handout 7
... length of the lens. The image of an object at “infinity” will be formed at the distance f behind the lens. As we’ll see later in Section 2, telescopes come in a variety of optical arrangements. Many designs contain both refractive and reflective optics, but for the sake of simplifying the following ...
... length of the lens. The image of an object at “infinity” will be formed at the distance f behind the lens. As we’ll see later in Section 2, telescopes come in a variety of optical arrangements. Many designs contain both refractive and reflective optics, but for the sake of simplifying the following ...
R.J.Kasumova, Second harmonic generation in
... with the unique properties. Most of us are acquainted with the lenses from the materials with positive refraction in cameras, magnifying glasses, microscopes and telescopes. They have focus distance and place, where depiction is formed, depends on combination of focal distance and the distance bet ...
... with the unique properties. Most of us are acquainted with the lenses from the materials with positive refraction in cameras, magnifying glasses, microscopes and telescopes. They have focus distance and place, where depiction is formed, depends on combination of focal distance and the distance bet ...
5.3.2 Processing Light
... Let's look at phase shift masks for the ultimate in lithography first. Right above we have data for the ultimate lens for lithography: Numerical aperture NA = 1,35, λ = 193 nm, so dmin = λ/ 2NA = 71,5 nm; larger than what we want to get. So how are we going to beat the limits to resolution dictated ...
... Let's look at phase shift masks for the ultimate in lithography first. Right above we have data for the ultimate lens for lithography: Numerical aperture NA = 1,35, λ = 193 nm, so dmin = λ/ 2NA = 71,5 nm; larger than what we want to get. So how are we going to beat the limits to resolution dictated ...
microscope instructions ppt
... for each eye. Start by selecting the 10X objective and rotating it into place. You always want to start at this low power because is easier to find the specimen and the approximate focus. Place a specimen slide on the stage and focus on it. The left ocular can focus independently of the other. Close ...
... for each eye. Start by selecting the 10X objective and rotating it into place. You always want to start at this low power because is easier to find the specimen and the approximate focus. Place a specimen slide on the stage and focus on it. The left ocular can focus independently of the other. Close ...
Astronomy 100 Name(s):
... significant consideration for a telescope. Though a planet is quite large, its image in the eyepiece is quite small; in order to see detail, the image must be magnified. Consider the angular size of a planet; the disk of Mars is virtually impossible to distinguish with the unaided eye. However, a te ...
... significant consideration for a telescope. Though a planet is quite large, its image in the eyepiece is quite small; in order to see detail, the image must be magnified. Consider the angular size of a planet; the disk of Mars is virtually impossible to distinguish with the unaided eye. However, a te ...
Supplementary Information
... sample surface will be the results of reverse ray tracing and thus be the visual ones (Figure S5c~d). The reason for this phenomenon is that the image observed by the CCD is actually the far-field projection of light power instead of actual intensity distribution at the same position. Any interface ...
... sample surface will be the results of reverse ray tracing and thus be the visual ones (Figure S5c~d). The reason for this phenomenon is that the image observed by the CCD is actually the far-field projection of light power instead of actual intensity distribution at the same position. Any interface ...
Chapter 3 Fiber Optics and Integrated Optics
... Can produce very small lens—hard to manufacture in traditional way. Simplify the optical system— a gradient lens can replace a number of homogeneous lenses. ...
... Can produce very small lens—hard to manufacture in traditional way. Simplify the optical system— a gradient lens can replace a number of homogeneous lenses. ...
Imaging and focusing of an atomic beam with a large period
... lens is very thin offers new perspectives for deep focusing into the nm range. PACS: 32.80.-t, 42.50.Vk, 07.77.+P i ...
... lens is very thin offers new perspectives for deep focusing into the nm range. PACS: 32.80.-t, 42.50.Vk, 07.77.+P i ...
Solution to PHYS 1112 In-Class Exam #1A
... The lens forms images by bending light rays by means of refraction. For each light ray involved in forming the image, refraction occurs at the front and at the rear surface of the lens; both of these surfaces are interfaces between the lens material (e.g., glass) and the surrounding medium. By Snell ...
... The lens forms images by bending light rays by means of refraction. For each light ray involved in forming the image, refraction occurs at the front and at the rear surface of the lens; both of these surfaces are interfaces between the lens material (e.g., glass) and the surrounding medium. By Snell ...
Three Lasers Converging at a Focal Point : A Demonstration
... The point at which parallel light rays meet is called the focal point. The distance from the lens to the point where the light rays meet is called the focal length. What You Need For the class: 3 laser pointers 1 acrylic block 1 velum screen or a wall 1 large positive lens mister For e ...
... The point at which parallel light rays meet is called the focal point. The distance from the lens to the point where the light rays meet is called the focal length. What You Need For the class: 3 laser pointers 1 acrylic block 1 velum screen or a wall 1 large positive lens mister For e ...
Resolving the wave vector in negative refractive index media
... stimulate the amplifying medium to emit more photons into the same localized mode. In other words, the near-field modes of a source remain evanescent even inside an amplifying medium and do not affect the far field. Also note that ⑀⬘ and ⬘ (as in a metal) could have opposite signs, in which case th ...
... stimulate the amplifying medium to emit more photons into the same localized mode. In other words, the near-field modes of a source remain evanescent even inside an amplifying medium and do not affect the far field. Also note that ⑀⬘ and ⬘ (as in a metal) could have opposite signs, in which case th ...
Optical Instruments - Dr. Dr. Bill`s Page
... The diagram on the next page shows the optical principal of the radiuscope. An object is imaged through a half silvered mirror and a lens to form a virtual object. In practice the object is back lit by a lens-condenser system (not shown). When light from the image, now a virtual object, reaches the ...
... The diagram on the next page shows the optical principal of the radiuscope. An object is imaged through a half silvered mirror and a lens to form a virtual object. In practice the object is back lit by a lens-condenser system (not shown). When light from the image, now a virtual object, reaches the ...
Document
... Light waves interfere with each other much like mechanical waves do Constructive interference occurs when the paths of the two waves differ by an integer number of wavelengths (Dx=ml) Destructive interference occurs when the paths of the two waves differ by a half-integer number of wavelengths (Dx=( ...
... Light waves interfere with each other much like mechanical waves do Constructive interference occurs when the paths of the two waves differ by an integer number of wavelengths (Dx=ml) Destructive interference occurs when the paths of the two waves differ by a half-integer number of wavelengths (Dx=( ...
Lab 6: Thin Lenses
... (b) Replace the plastic lens with the adjustable water filled lens. Use the optics light box as an object and place it about 20 cm from the eye. (c) With the plunger, GENTLY adjust the shape of the lens until the image is relatively focused (it won’t get perfect). (d) Now move the light source farth ...
... (b) Replace the plastic lens with the adjustable water filled lens. Use the optics light box as an object and place it about 20 cm from the eye. (c) With the plunger, GENTLY adjust the shape of the lens until the image is relatively focused (it won’t get perfect). (d) Now move the light source farth ...
Chester F - RIT Center for Imaging Science
... 3. The performance of an optical system in the spatial frequency domain can be characterized by its Modulation Transfer Function (MTF). The Contrast Sensitivity Function (CSF) is used to describe response of the human visual system in the spatial frequency domain. Describe the MTF and the CSF, clea ...
... 3. The performance of an optical system in the spatial frequency domain can be characterized by its Modulation Transfer Function (MTF). The Contrast Sensitivity Function (CSF) is used to describe response of the human visual system in the spatial frequency domain. Describe the MTF and the CSF, clea ...
Superlens
![](https://commons.wikimedia.org/wiki/Special:FilePath/Loupe-binoculaire-p1030891.jpg?width=300)
A practical superlens, or super lens, is a lens which uses metamaterials to go beyond the diffraction limit. The diffraction limit is a feature of conventional lenses and microscopes that limits the fineness of their resolution. Many lens designs have been proposed that go beyond the diffraction limit in some way, but there are constraints and obstacles involved in realizing each of them.