Home Lab 8 Curved Mirrors, Ray Diagrams, and Simulations
... Determine the focal length of a concave mirror – quickly with a minimum of materials. For a spherical concave mirror – parallel rays of light focus to a point. The distance from the mirror to the focused point image is the focal length of the mirror. Materials Included: • Economy Optical ...
... Determine the focal length of a concave mirror – quickly with a minimum of materials. For a spherical concave mirror – parallel rays of light focus to a point. The distance from the mirror to the focused point image is the focal length of the mirror. Materials Included: • Economy Optical ...
Computational photography with plenoptic camera and light field
... the light field gives us at least three advantages over the traditional camera [7]: to reconstruct images with small viewpoint changes, to compute a depth map using depth from focus, and to reconstruct images as if they have been focused at different planes, thus achieving refocus after data capture ...
... the light field gives us at least three advantages over the traditional camera [7]: to reconstruct images with small viewpoint changes, to compute a depth map using depth from focus, and to reconstruct images as if they have been focused at different planes, thus achieving refocus after data capture ...
Holographic optics for a matched-filter optical
... where Xis the wavelength of light, f is the focal length of the Fourier transforming element, x 0 is the translation of the center of the input from the optical axis, and * denotes convolution. This wavefront, multiplied by the filter function S*(u), is approximately an apodized plane wave. (If no p ...
... where Xis the wavelength of light, f is the focal length of the Fourier transforming element, x 0 is the translation of the center of the input from the optical axis, and * denotes convolution. This wavefront, multiplied by the filter function S*(u), is approximately an apodized plane wave. (If no p ...
Design of a spherical focal surface using close
... wide-field, high pixel count imaging with the availability of a spherical focal surface [6,7]. Such a focal surface can be approximated by incorporation of a monocentric lens as the primary optic in a multiscale design [2]. By utilizing an array of secondary optics with overlapping fields, called mi ...
... wide-field, high pixel count imaging with the availability of a spherical focal surface [6,7]. Such a focal surface can be approximated by incorporation of a monocentric lens as the primary optic in a multiscale design [2]. By utilizing an array of secondary optics with overlapping fields, called mi ...
Microscopes - Photonics Research Group
... a high-vacuum environment and other conditions compatible with electron imaging. Thus, for four decades following World War II, the light microscope in many fields took a back seat to the electron microscope. During the last decade, however, the light microscope has reemerged as an indispensable, po ...
... a high-vacuum environment and other conditions compatible with electron imaging. Thus, for four decades following World War II, the light microscope in many fields took a back seat to the electron microscope. During the last decade, however, the light microscope has reemerged as an indispensable, po ...
502-22 Illumination Systems
... In many applications the image quality of diffuse illumination is required, but the throughput of specular illumination is needed. A larger light bulb is not always an option (A major rule of optical engineering is that there is never enough light!!). The system should be designed as specular illumi ...
... In many applications the image quality of diffuse illumination is required, but the throughput of specular illumination is needed. A larger light bulb is not always an option (A major rule of optical engineering is that there is never enough light!!). The system should be designed as specular illumi ...
Title of Presentation
... By using two different materials with very different TCE arranged as either differential expansion cylinders or rods, it is possible to move the compensating element directly Rods or cylinders must be of sufficient length ...
... By using two different materials with very different TCE arranged as either differential expansion cylinders or rods, it is possible to move the compensating element directly Rods or cylinders must be of sufficient length ...
An adaptive liquid lens with radial interdigitated
... higher electric field. Due to the cohesive force between the adjacent molecules and the adhesive force between the droplet and the substrate, the dielectric force can stretch the surface of the droplet. Along the ITO stripes, the fringing field is continuous, while in the direction perpendicular to th ...
... higher electric field. Due to the cohesive force between the adjacent molecules and the adhesive force between the droplet and the substrate, the dielectric force can stretch the surface of the droplet. Along the ITO stripes, the fringing field is continuous, while in the direction perpendicular to th ...
The Optics of the Spherical Fish Lens
... Typical values he reported are 1.336 for the eye media (Nmed), 1.38 for the cortical index (No), and 1.51 for the core index (IV,,,). Mattheissen used the concept of total index, which is that index a homogeneous lens would require to have the same paraxial focal length as an inhomogeneous lens of t ...
... Typical values he reported are 1.336 for the eye media (Nmed), 1.38 for the cortical index (No), and 1.51 for the core index (IV,,,). Mattheissen used the concept of total index, which is that index a homogeneous lens would require to have the same paraxial focal length as an inhomogeneous lens of t ...
Aberrations
... them seem intuitively correct and provide enough information to allow one to re-create the derivation if necessary. ...
... them seem intuitively correct and provide enough information to allow one to re-create the derivation if necessary. ...
Curved Mirrors, Ray Diagrams, and Simulations Background Information
... Determine the focal length of a concave mirror – quickly with a minimum of materials. For a spherical concave mirror – parallel rays of light focus to a point. The distance from the mirror to the focused point image is the focal length of the mirror. Materials Included: ...
... Determine the focal length of a concave mirror – quickly with a minimum of materials. For a spherical concave mirror – parallel rays of light focus to a point. The distance from the mirror to the focused point image is the focal length of the mirror. Materials Included: ...
University of Groningen CURVATURE MEASUREMENT
... practice. The measuring devices, called (optical) spherometers (lens surfaces commonly have a spherical shape), all are different types of reflected-light microscopes. Here, a simple spherometrical method is introduced, which can be executed with any standard microscope equipped with an epi-illumina ...
... practice. The measuring devices, called (optical) spherometers (lens surfaces commonly have a spherical shape), all are different types of reflected-light microscopes. Here, a simple spherometrical method is introduced, which can be executed with any standard microscope equipped with an epi-illumina ...
fourier2012.pdf
... frequency analysis of images, and for the construction of real time correlators. One property that makes optics an exciting tool for frequency analysis is that, in free-space propogation of light, one can see the effects of lenses and filters on a light beam as the beam propogates through the system ...
... frequency analysis of images, and for the construction of real time correlators. One property that makes optics an exciting tool for frequency analysis is that, in free-space propogation of light, one can see the effects of lenses and filters on a light beam as the beam propogates through the system ...
Atmospheric Turbulence and its Influence on Adaptive Optics
... Since the atmosphere is always mixing, the phase distortions are always changing. It is important that an AO system can measure the phase variations and make the corrections before the atmosphere changes and new corrections are required. As previously stated, different size eddies cause different im ...
... Since the atmosphere is always mixing, the phase distortions are always changing. It is important that an AO system can measure the phase variations and make the corrections before the atmosphere changes and new corrections are required. As previously stated, different size eddies cause different im ...
Analytic design method for optimal imaging: coupling three ray sets
... In contrast, direct optics design methods do not necessarily follow this design strategy. Usually, a key objective is to find a set of unrestricted free-form surfaces designed to have specific predefined characteristics. Where unrestricted means that the optical surfaces can have any shape to fulfil ...
... In contrast, direct optics design methods do not necessarily follow this design strategy. Usually, a key objective is to find a set of unrestricted free-form surfaces designed to have specific predefined characteristics. Where unrestricted means that the optical surfaces can have any shape to fulfil ...
Physics for Scientists & Geometric Optics
... ! Images formed by plane mirrors appear to be reversed because the light rays incident on the surface of the mirror are reflected back on the other side of the normal di do ! A mirror image looks correct vertically ...
... ! Images formed by plane mirrors appear to be reversed because the light rays incident on the surface of the mirror are reflected back on the other side of the normal di do ! A mirror image looks correct vertically ...
Optical microscope - Frank`s Hospital Workshop
... monitor. Often called "USB" microscopes, they offer high magnifications (up to about 200×) without the need to use eyepieces, and at very low cost. The precise magnification is determined by the working distance between the camera and the object, and good supports are needed to control the image. Th ...
... monitor. Often called "USB" microscopes, they offer high magnifications (up to about 200×) without the need to use eyepieces, and at very low cost. The precise magnification is determined by the working distance between the camera and the object, and good supports are needed to control the image. Th ...
On the chromatic aberration of microlenses
... The refractive index of any transparent material is function of the wavelength. Therefore, a lens made in one single material shows different positions of focus at each wavelength. The difference in position of these focal points is known as the longitudinal primary chromatic aberration [1]. To corr ...
... The refractive index of any transparent material is function of the wavelength. Therefore, a lens made in one single material shows different positions of focus at each wavelength. The difference in position of these focal points is known as the longitudinal primary chromatic aberration [1]. To corr ...
MEMS-based handheld confocal microscope for in
... immediate visualization of skin excisions during MOHS surgery, providing an alternative to frozen pathology [6] [7] [8]. The limitation of the instruments used in these experiments lies in their size and lack of portability. To date, there exists only one commercially available handheld confocal mic ...
... immediate visualization of skin excisions during MOHS surgery, providing an alternative to frozen pathology [6] [7] [8]. The limitation of the instruments used in these experiments lies in their size and lack of portability. To date, there exists only one commercially available handheld confocal mic ...
Sample pages 1 PDF
... • They are more compact. This makes them slightly easier to pack and carry; some people (I am one) find the smaller size easier and more comfortable to hold as a consequence of the different ergonomics. • They are usually slightly lighter. This makes them easier to carry and generally less tiring to ...
... • They are more compact. This makes them slightly easier to pack and carry; some people (I am one) find the smaller size easier and more comfortable to hold as a consequence of the different ergonomics. • They are usually slightly lighter. This makes them easier to carry and generally less tiring to ...
DIOPTRICS OF THE FACET LENSES OF MALE BLOWFLIES
... through the object to be investigated and the other through a reference medium. Subsequently, the beams are joined again and thus interfere. Finally, after passing a fixed S6narmont compensator and a rotatable analyzer the resulting interference pattern is observed, photographed (Fig. 4 b, c), or qu ...
... through the object to be investigated and the other through a reference medium. Subsequently, the beams are joined again and thus interfere. Finally, after passing a fixed S6narmont compensator and a rotatable analyzer the resulting interference pattern is observed, photographed (Fig. 4 b, c), or qu ...
Optical microscopy laboratory practice 2012
... 4. Nose Piece: This connects the objective lens to the microscope body. With a turret, or rotating nose piece as many as five objectives can be attached to create different powers of magnification when rotated into position and used with the existing eyepiece. 5. Objective: The lens closest to the o ...
... 4. Nose Piece: This connects the objective lens to the microscope body. With a turret, or rotating nose piece as many as five objectives can be attached to create different powers of magnification when rotated into position and used with the existing eyepiece. 5. Objective: The lens closest to the o ...
rtf
... electromagnetic lenses magnify and rotate the wave is not as important as the sense in which the electron microscope acts as a filter, allowing certain spacings to contribute to the image whilst others do not, and at the same time changing the contrast of the different spacings. This is because the ...
... electromagnetic lenses magnify and rotate the wave is not as important as the sense in which the electron microscope acts as a filter, allowing certain spacings to contribute to the image whilst others do not, and at the same time changing the contrast of the different spacings. This is because the ...