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  • Absolute characterization of high numerical aperture ...

    2021-11-2u2002·u2002Measuring the aberrations of optical systems is an essential step in the fabrication of high precision optical components. Such a characterization is usually based on comparing the device under ...

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  • Axis Communications - Leader in network cameras and

    2021-9-27u2002·u2002Axis Communications announces two outdoor-ready dome cameras offering outstanding image quality even in the harshest environments and weather. Based on the latest AXIS Camera Application Platform (ACAP) version 4, Axis enables innovation on Axis AI-based edge devices and strengthens its commitment towards computer-vision-based solutions.

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  • Certified Quality - Physik Instrumente

    Well adapted solutions for XY specimen positioning parallel and vertical to the optical axis and Z focusing of the objective are available as standard products. Linear Piezo Flexure Stages PI's nanopositioning stages and scanners combine nanometer-precision resolution and …

    Get Price
  • An Introduction to the Optics Manufacturing Process

    2008-10-31u2002·u2002If the optic does not meet its specifications, it is returned to polishing. A lens has both a mechanical axis, defined by the outer edges of the lens, and an optical axis, defined by the center of curvatures of each surface of the lens. The process of centering attempts to make the optical axis co-linear with the mechanical axis. Plano

    Get Price
  • Polarized Light Microscopy - Microscope Configuration ...

    Although this configuration was cumbersome by today's standards, it had the advantage of not requiring coincidence between the stage axis and the optical axis of the microscope. Modern polarized light microscopes are often equipped with specially designed 360-degree rotatable circular stages, similar to the one shown in Figure 6, which ease the ...

    Get Price
  • Microscopy - Physik Instrumente

    Well adapted solutions for XY specimen positioning parallel and vertical to the optical axis and Z focusing of the objective are available as standard products. Linear Piezo Flexure Stages PI's nanopositioning stages and scanners combine nanometer-precision resolution and …

    Get Price
  • X-ray XRF fluorescence - FISCHERSCOPE X-RAY XRF

    A FISCHERSCOPE X-RAY is the ideal choice for non-destructive, contact-free coating thickness measurement and material analysis. Since 1983, our XRF instruments have been an integral part of quality testing in almost all major industries. Our instruments are well-known …

    Get Price
  • Press releases ⁝ Media - SCHNEEBERGER

    Schneeberger is well-known for its unique range of highly precise and reliable linear technology products. 67 KB Profiled guideways MONORAIL - High-performance profiled guideways. When the heaviest loads in milling, turning, drilling or grinding machines need to be moved in an accurate manner, reliable linear bearings are one of the elements ...

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  • Theodolites

    A theodolite is a precision instrument used for measuring angles both horizontally and vertically. Theodolites can rotate along their horizontal axis as well as their vertical axis. Theodolites have a lot in common with transits. A transit is a surveying instrument that also takes accurate angular measurements.

    Get Price
  • Axis Communications - Leader in network cameras and

    2021-11-2u2002·u2002AXIS Camera Application Platform (ACAP) has provided the foundation for the creation of applications for Axis devices since its launch in 2009. Always based on the Axis principles of openness, the fourth generation of ACAP truly delivers on the vision of …

    Get Price
  • X-ray XRF fluorescence - FISCHERSCOPE X-RAY XRF

    A FISCHERSCOPE X-RAY is the ideal choice for non-destructive, contact-free coating thickness measurement and material analysis. Since 1983, our XRF instruments have been an integral part of quality testing in almost all major industries. Our instruments are well-known …

    Get Price
  • Fourier Optics v2 - University of New Mexico

    2016-2-12u2002·u2002Fourier Optics v2.4 Ray tracing is limited in its ability to describe optics because it ignores the wave properties of light. Diffraction is needed to explain image spatial resolution and contrast and is the foundation of spatial filtering and image processing. It can be conveniently

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  • Lecture 1: Course organization; introduction to optics ...

    2021-8-18u2002·u2002An optical instrument, if you can believe it, has the size of an entire state in the US. And it is used to observe very remote galaxies with high resolution. So it falls a little bit outside the scope of the class, because it uses it uses statistical optics, which we don't cover over here, but we may mention it in passing a little bit later. So ...

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  • : MÖLLER-WEDEL OPTICAL GmbH

    Angle measurements of flat optical components are performed in a minimum of time with this compact goniometer where the specimen is rotated manually on a round table. The GONIOMAT M is indispensable for testing laboratories, workshops as well as for receiving and final inspections. Two accuracy classes are available.

    Get Price
  • An Introduction to the Optics Manufacturing Process

    2008-10-31u2002·u2002If the optic does not meet its specifications, it is returned to polishing. A lens has both a mechanical axis, defined by the outer edges of the lens, and an optical axis, defined by the center of curvatures of each surface of the lens. The process of centering attempts to make the optical axis co-linear with the mechanical axis. Plano

    Get Price
  • Regular hexagonal-prism microvoids in CeF3 single

    2021-3-15u2002·u2002Microvoids are well-known crystal defects, usually exhibiting a rounded and/or irregular shape, which act as undesired scattering centers in optical applications. Here, for the first time, residual microvoids in the shape of perfect regular hexagonal-prisms are observed in apparently scattering-free CeF 3 bulk single crystals.

    Get Price
  • Olympus E-PL7 Review - Imaging Resource

    2014-8-28u2002·u2002Olympus' E-PL7 was a strong competitor in our Best Mirrorless Camera for Under $1,000.Its lower price compared to the E-M10 allowed us to stock up on more of …

    Get Price
  • Sony Alpha a6300 Review in 2021 (UPDATED) - Shotkit

    Unsurprisingly, its sensor sensitivity is fine as well, with a base range ISO of 100 to 51200 and an expanded range of 50 to 204800 (102400 for video). The Sony a6300 is understandably quite different. Its APS-C sensor has 25600 at the top of its base range (51200 when extended).

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  • Best gaming mouse 2021

    2021-11-1u2002·u2002Oh, and if that wasn't enough of a recommendation to go and bag this mouse, then the Razer DeathAdder V2 has also won the Best Gaming Mouse award at the T3 …

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  • Understanding Optical Specifications

    For instance, if the diameter of an optical lens deviates from its nominal value it is possible that the mechanical axis can be displaced from the optical axis in a mounted assembly, thus causing decenter (Figure 1). Typical manufacturing tolerances for diameter are: +0.00/-0.10 mm for typical quality, +0.00/-0.050 mm for precision quality, and ...

    Get Price
  • Lecture 1: Course organization; introduction to optics ...

    2021-8-18u2002·u2002An optical instrument, if you can believe it, has the size of an entire state in the US. And it is used to observe very remote galaxies with high resolution. So it falls a little bit outside the scope of the class, because it uses it uses statistical optics, which we don't cover over here, but we may mention it in passing a little bit later. So ...

    Get Price
  • An Introduction to the Optics Manufacturing Process

    2008-10-31u2002·u2002If the optic does not meet its specifications, it is returned to polishing. A lens has both a mechanical axis, defined by the outer edges of the lens, and an optical axis, defined by the center of curvatures of each surface of the lens. The process of centering attempts to make the optical axis co-linear with the mechanical axis. Plano

    Get Price
  • Active Alignment - Physik Instrumente

    The very heart of PI´s Active Alignment system is the >> F-712.HU1 Fast Multi-Channel Photonics alignment system, which includes the E-712 motion controller. The gradient search algorithm is built into the firmware of the controller. When optical power is the figure-of-merit to be optimized, the >> F-712.PM1 Power Meter is of help.

    Get Price
  • High-Quality Surface Finishing of Industrial Three ...

    2019-1-21u2002·u2002Three-dimensional (3D) additive manufacturing technologies are useful for building various and complicated shapes. Representative technologies include laser metal deposition and selective laser sintering that make metal powders melt in order to form diverse 3D structures. Although numerous well-known advantages of 3D additive manufacturing, they still have some difficulties in surface quality ...

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  • Straight, conic and circular fringes in single ...

    2015-2-13u2002·u2002Figure 1. Schematic representation of a Michelson interferometer to generate interference fringes of different shapes (a) generates circular fringes when the observation point lies on a line perpendicular to the line joining the two sources of light, i.e., when two mirrors are parallel to each other and (b) generates straight or conic fringes when the mirrors are inclined at an angle.

    Get Price
  • Regular hexagonal-prism microvoids in CeF3 single

    2021-3-15u2002·u2002Microvoids are well-known crystal defects, usually exhibiting a rounded and/or irregular shape, which act as undesired scattering centers in optical applications. Here, for the first time, residual microvoids in the shape of perfect regular hexagonal-prisms are observed in apparently scattering-free CeF 3 bulk single crystals.

    Get Price
  • : MÖLLER-WEDEL OPTICAL GmbH

    Angle measurements of flat optical components are performed in a minimum of time with this compact goniometer where the specimen is rotated manually on a round table. The GONIOMAT M is indispensable for testing laboratories, workshops as well as for receiving and final inspections. Two accuracy classes are available.

    Get Price
  • Olympus E-PL7 Review - Imaging Resource

    2014-8-28u2002·u2002Olympus' E-PL7 was a strong competitor in our Best Mirrorless Camera for Under $1,000.Its lower price compared to the E-M10 allowed us to stock up on more of …

    Get Price
  • Canon G5X Review - Field Test - Imaging Resource

    Canon G5X Review - G5X Field Test. Viewfinder and grip make the G5X a nice camera body. The Canon PowerShot G5X is a bit larger than its G7X sibling, but the G5X remains a relatively compact camera.

    Get Price
  • Understanding Optical Specifications

    For instance, if the diameter of an optical lens deviates from its nominal value it is possible that the mechanical axis can be displaced from the optical axis in a mounted assembly, thus causing decenter (Figure 1). Typical manufacturing tolerances for diameter are: +0.00/-0.10 mm for typical quality, +0.00/-0.050 mm for precision quality, and ...

    Get Price
  • Active Alignment - Physik Instrumente

    The very heart of PI´s Active Alignment system is the >> F-712.HU1 Fast Multi-Channel Photonics alignment system, which includes the E-712 motion controller. The gradient search algorithm is built into the firmware of the controller. When optical power is the figure-of-merit to be optimized, the >> F-712.PM1 Power Meter is of help.

    Get Price
  • Foundations of Vision » Chapter 2: Image Formation

    The fovea is a region of the retina that is specialized for high visual acuity and color perception. The retinal output fibers leave at a point in the retina called the blindspot. The bundle of output fibers is called the optic nerve. Figure 2.1 contains an overview of the imaging components of the eye.

    Get Price
  • : MÖLLER-WEDEL OPTICAL GmbH

    Angle measurements of flat optical components are performed in a minimum of time with this compact goniometer where the specimen is rotated manually on a round table. The GONIOMAT M is indispensable for testing laboratories, workshops as well as for receiving and final inspections. Two accuracy classes are available.

    Get Price
  • TEAMSAT - eoPortal Directory - Satellite Missions

    ODD is provided by ESTEC. ODD tested the capabilities of optical and radar instruments on the ground to detect and track objects in space. For this purpose the upper Ariane 502 satellite (MaqSat-H) was covered with contrasting black and white paints of well known properties (75 % white and 25 % black).

    Get Price
  • Regular hexagonal-prism microvoids in CeF3 single crystals ...

    2021-3-15u2002·u2002Microvoids are well-known crystal defects, usually exhibiting a rounded and/or irregular shape, which act as undesired scattering centers in optical applications. Here, for the first time, residual microvoids in the shape of perfect regular hexagonal-prisms are observed in apparently scattering-free CeF 3 bulk single crystals.

    Get Price
  • Basic Properties of Mirrors - Introduction to Mirrors ...

    The quality (smoothness) and flatness of optical surfaces is one of the primary factors to consider when designing mirrors for specific applications. When a plane wavefront is reflected from a mirror surface, the actual distortion produced in the wave can range from one-half to twice the value of the surface flatness.

    Get Price
  • Straight, conic and circular fringes in single ...

    2015-2-13u2002·u2002Figure 1. Schematic representation of a Michelson interferometer to generate interference fringes of different shapes (a) generates circular fringes when the observation point lies on a line perpendicular to the line joining the two sources of light, i.e., when two mirrors are parallel to each other and (b) generates straight or conic fringes when the mirrors are inclined at …

    Get Price
  • Lockwood Custom Optics - Mirror Support

    2020-7-24u2002·u2002Let's discuss some rear support point basics in more detail. I can recall a few cases where I saw a simple mechanical problem with the rear support, such as a bolt that interfered with the motion of some triangles, but in general the rear support is not too problematic if it is made to a reasonable standard of craftmanship and is tested with the mirror in it to make sure all of the …

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  • surveying Flashcards - Questions and Answers

    a straight line in a horizontal plane which is tangent to a level line at one point ... Consist a telescope which enabled for the horizontal rotation as well as rotation about 4 degree in its vertical plane. ... It is a compound lens composed of crown and flint glass mounted in the objective end of the telescope and has its optical axis ...

    Get Price
  • Understanding Optical Specifications

    For instance, if the diameter of an optical lens deviates from its nominal value it is possible that the mechanical axis can be displaced from the optical axis in a mounted assembly, thus causing decenter (Figure 1). Typical manufacturing tolerances for diameter are: +0.00/-0.10 mm for typical quality, +0.00/-0.050 mm for precision quality, and ...

    Get Price
  • Certified Quality - Physik Instrumente

    Well adapted solutions for XY specimen positioning parallel and vertical to the optical axis and Z focusing of the objective are available as standard products. Linear Piezo Flexure Stages PI's nanopositioning stages and scanners combine nanometer-precision resolution and guiding precision with minimum crosstalk.

    Get Price
  • An Introduction to the Optics Manufacturing Process

    2008-10-31u2002·u2002If the optic does not meet its specifications, it is returned to polishing. A lens has both a mechanical axis, defined by the outer edges of the lens, and an optical axis, defined by the center of curvatures of each surface of the lens. The process of centering attempts to make the optical axis co-linear with the mechanical axis. Plano

    Get Price
  • Polarized Light Microscopy - Microscope Configuration ...

    Although this configuration was cumbersome by today's standards, it had the advantage of not requiring coincidence between the stage axis and the optical axis of the microscope. Modern polarized light microscopes are often equipped with specially designed 360-degree rotatable circular stages, similar to the one shown in Figure 6, which ease the ...

    Get Price
  • Microscopy - Physik Instrumente

    Well adapted solutions for XY specimen positioning parallel and vertical to the optical axis and Z focusing of the objective are available as standard products. Linear Piezo Flexure Stages PI's nanopositioning stages and scanners combine nanometer-precision resolution and guiding precision with minimum crosstalk.

    Get Price
  • Theodolites

    A theodolite is a precision instrument used for measuring angles both horizontally and vertically. Theodolites can rotate along their horizontal axis as well as their vertical axis. Theodolites have a lot in common with transits. A transit is a surveying instrument that also …

    Get Price
  • X-ray XRF fluorescence - FISCHERSCOPE X-RAY XRF Analyzers

    A FISCHERSCOPE X-RAY is the ideal choice for non-destructive, contact-free coating thickness measurement and material analysis. Since 1983, our XRF instruments have been an integral part of quality testing in almost all major industries. Our instruments are well-known for their precision, accuracy and durability.

    Get Price
  • Volume 1, Chapter 51B. Spectacle Lens Design

    2019-1-4u2002·u2002At its simplest level, the design process for a spectacle lens involves the calculation of the sagittal and tangential errors of each principal meridian for different sets of front and back lens curves. This calculation is done to determine which combination provides the best off …

    Get Price
  • Metallurgical microscopes - Page 2

    2021-9-4u2002·u2002This wave plate has its optical axis aligned parallel with the polarizer axis. It is used with a rotating analyzer to measure light phase differences of up to 1 lambda. (Lambda = 5500 Angstroms) The 1/4 lambda plate used for birefringence studies is rotated 45 degrees with respect to the polarizer axis.

    Get Price
  • Image Formation by Lenses

    The power P of a lens is defined to be the inverse of its focal length. In equation form, this is P = 1 f P = 1 f, where f is the focal length of the lens, which must be given in meters (and not cm or mm). The power of a lens P has the unit diopters (D), provided that the focal length is given in meters.

    Get Price
  • Understanding Optical Specifications

    For instance, if the diameter of an optical lens deviates from its nominal value it is possible that the mechanical axis can be displaced from the optical axis in a mounted assembly, thus causing decenter (Figure 1). Typical manufacturing tolerances for diameter are: +0.00/-0.10 mm for typical quality, +0.00/-0.050 mm for precision quality, and ...

    Get Price
  • Certified Quality - Physik Instrumente

    Well adapted solutions for XY specimen positioning parallel and vertical to the optical axis and Z focusing of the objective are available as standard products. Linear Piezo Flexure Stages PI's nanopositioning stages and scanners combine nanometer-precision resolution and …

    Get Price
  • An Introduction to the Optics Manufacturing Process

    2008-10-31u2002·u2002If the optic does not meet its specifications, it is returned to polishing. A lens has both a mechanical axis, defined by the outer edges of the lens, and an optical axis, defined by the center of curvatures of each surface of the lens. The process of centering attempts to make the optical axis co-linear with the mechanical axis. Plano

    Get Price
  • Polarized Light Microscopy - Microscope Configuration ...

    Although this configuration was cumbersome by today's standards, it had the advantage of not requiring coincidence between the stage axis and the optical axis of the microscope. Modern polarized light microscopes are often equipped with specially designed 360-degree rotatable circular stages, similar to the one shown in Figure 6, which ease the ...

    Get Price
  • Microscopy - Physik Instrumente

    Well adapted solutions for XY specimen positioning parallel and vertical to the optical axis and Z focusing of the objective are available as standard products. Linear Piezo Flexure Stages PI's nanopositioning stages and scanners combine nanometer-precision resolution and …

    Get Price
  • Theodolites

    A theodolite is a precision instrument used for measuring angles both horizontally and vertically. Theodolites can rotate along their horizontal axis as well as their vertical axis. Theodolites have a lot in common with transits. A transit is a surveying instrument that also takes accurate angular measurements.

    Get Price
  • X-ray XRF fluorescence - FISCHERSCOPE X-RAY XRF

    A FISCHERSCOPE X-RAY is the ideal choice for non-destructive, contact-free coating thickness measurement and material analysis. Since 1983, our XRF instruments have been an integral part of quality testing in almost all major industries. Our instruments are …

    Get Price
  • Volume 1, Chapter 51B. Spectacle Lens Design

    2019-1-4u2002·u2002At its simplest level, the design process for a spectacle lens involves the calculation of the sagittal and tangential errors of each principal meridian for different sets of front and back lens curves. This calculation is done to determine which combination provides the best off-axis optical quality.

    Get Price
  • Metallurgical microscopes - Page 2

    2021-9-4u2002·u2002This wave plate has its optical axis aligned parallel with the polarizer axis. It is used with a rotating analyzer to measure light phase differences of up to 1 lambda. (Lambda = 5500 Angstroms) The 1/4 lambda plate used for birefringence studies is rotated 45 degrees with respect to the polarizer axis.

    Get Price
  • Image Formation by Lenses

    The power P of a lens is defined to be the inverse of its focal length. In equation form, this is P = 1 f P = 1 f, where f is the focal length of the lens, which must be given in meters (and not cm or mm). The power of a lens P has the unit diopters (D), provided that the focal length is given in meters.

    Get Price