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  • optical axis

    2021-11-2u2002·u2002optical axis, the straight line passing through the geometrical centre of a lens and joining the two centres of curvature of its surfaces. Sometimes the optical axis of a lens is called its principal axis. The path of a light ray along this axis is perpendicular to …

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  • OptiCentric ® - Lens centration and alignment from TRIOPTICS

    2021-8-19u2002·u2002The OptiCentric ® product group represents the global standard for optical centration testing and manual and automated cementing and bonding of lenses and lens assemblies. With its extremely high degree of centration accuracy and integrated operation, OptiCentric ® systems are indispensable in modern optics productions. It makes no difference whether the sample has a …

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  • Benchtop Optical Mounts

    Ideal for Setting Up New Benchtop Optical Systems. New. ×. Multi-Axis Adjustable Optic Mounts. 2-Axis, 3-Axis, and 5-Axis Adjustable Mounts Available. Options for 12.5mm (0.5'), 25mm (1'), and 50mm (2') Dia. Optics. M6 Mounting Threads. TECHSPEC ® components are designed, specified, or manufactured by Edmund Optics.

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  • An Introduction to the Optics Manufacturing Process

    2008-10-31u2002·u2002A 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 surfaces do not need to be centered. Small centering errors can have large effects on an

    Get Price
  • OptiTest ® - Visual measurement instruments by TRIOPTICS

    The optical testing usually requires a wide range of configurations specific to the application or the parameters to be measured. The large variety of the set-ups is, however, a combination of basic optical instruments known as collimator, industrial telescope, diopter telescope, dynameter, autocollimator as well as mechanical hardware for positioning of the basic optical instruments.

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  • Six-pack off-axis holography - OSA Publishing

    We present a new holographic concept, named six-pack holography (6PH), in which we compress six off-axis holograms into a single multiplexed off-axis hologram without loss of magnification or resolution. The multiplexed hologram contains straight off-axis fringes with six different orientations, and can be generated optically or digitally. We show that since the six different …

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  • Using Telecentric Optical Systems to Optimize Industrial ...

    2015-6-25u2002·u2002Optical systems in modern microscopy equipment can be subject to a variety of hidden errors. Careful consideration of the optical design used in the equipment is critical. Using microscopes with telecentric optical systems reduces or eliminates many of these errors to optimize image quality, measurement accuracy and reproducibility.

    Get Price
  • Fixed-Magnification Optical System Micro-Inspection Lens ...

    2017-8-10u2002·u2002working distances. (see Optical Performance Charts p. 06-08). STEP 4. Select the Fixed Tube: The Fixed Tubes are shown on the LEFT AXIS of all Optical Performance Charts, and each Fixed Tube has an optical focal length associated to it. When combined with the focal length of the lens in the Lower Function Module, the two

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  • ABSTRACT: active and passive imaging sensors

    2019-9-17u2002·u2002Optical Axis Calibration . Figure 3. Processing Flow . 3.1 Parallelism Calibration of Optical Axis . Optical axis parallelism calibration is mainly based on indoor optical axis alignment debugging method of long-focus optical focal plane imaging. The main principle is that, for different parallel lights, with different angles between the light and

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  • Quick Start Optical Mounts

    Quick Start Optical Mounts are designed with a common 5' (127mm) optical axis height from the lab table surface, combining all necessary mounting hardware for easy system integration. With Quick Start Optical Mounts designed for a wide variety of optical components, complex systems and experiments can be easily arranged without the need for ...

    Get Price
  • An Introduction to the Optics Manufacturing Process

    2008-10-31u2002·u2002A 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 surfaces do not need to be centered. Small centering errors can have large effects on an

    Get Price
  • Spherical Mirrors – University Physics Volume 3

    Part (c) shows a spherical mirror that is small compared to its radius of curvature. This mirror is a good approximation of a parabolic mirror, so rays that arrive parallel to the optical axis are reflected to a well-defined focal point. The distance along the optical axis from the mirror to the focal point is called the focal length of the mirror.

    Get Price
  • 2100 nm) - Thorlabs, Inc. - Your Source for Fiber Optics ...

    2018-2-9u2002·u2002Thorlabs is pleased to stock a variety of free-space optical isolators designed for use in the infrared spectral range (1110 - 2100 nm). Optical isolators, also known as Faraday isolators, are magneto-optic devices that preferentially transmit light along a single direction, shielding upstream

    Get Price
  • 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.

    Get Price
  • Lithium Niobate Electro-Optic Modulators, Fiber-Coupled

    2021-7-5u2002·u2002Thorlabs Quantum Electronics manufactures a variety of lithium niobate (LiNbO3) optical phase and intensity modulators. These high-performance devices are based on titanium-indiffused waveguide technology, offer large bandwidths, and are ideal for developing high-speed modulation systems.The modulat

    Get Price
  • Birefringence, explained by RP Photonics Encyclopedia ...

    The equation shows that for θ → 0 (i.e., propagation along the optical axis) we obtain n → n o, and the observed birefringence vanishes: one obtains n o for any polarization direction.. One distinguishes positive and negative uniaxial crystals; in the former case, the extraordinary index is higher than the ordinary index.. For biaxial crystals (examples: mica, CaTiO 3 = perovskite, LiB 3 ...

    Get Price
  • Fixed-Magnification Optical System Micro-Inspection

    2017-8-10u2002·u2002working distances. (see Optical Performance Charts p. 06-08). STEP 4. Select the Fixed Tube: The Fixed Tubes are shown on the LEFT AXIS of all Optical Performance Charts, and each Fixed Tube has an optical focal length associated to it. When combined with the focal length of the lens in the Lower Function Module, the two

    Get Price
  • Studying charged particle optics - phylab.fudan.edu.cn

    2009-8-7u2002·u2002Studying charged particle optics 255 0 2040 6080 100-90-80-70-60 V (V) grad V (arb. units) x (mm) Figure 4. The variation of the potential and its derivative along the optical axis as a function of the x position for a three-element einzel lens. focal properties are studied by sending a beam of particles parallel to the optical axis and

    Get Price
  • fonts, typefaces, typography — I love Typography (ILT)

    2016-6-14u2002·u2002In Grifo S, at the other end of the optical axis, letters are sturdier and wider and exhibit less stroke contrast. There is more space between letters, and extenders are longer. Grifo M, of course, is in the middle of the optical axis, between Grifo S and Grifo …

    Get Price
  • An Introduction to the Optics Manufacturing Process

    2008-10-31u2002·u2002A 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 surfaces do not need to be centered. Small centering errors can have large effects on an

    Get Price
  • Imaging myocardial fiber orientation using polarization ...

    2013-3-1u2002·u2002To obtain the local optical axis, ... which showed a variety of location-dependent profiles in fiber orientation (Fig. 4(d)). The depth curves obtained in ROI-1 and ROI-2 are similar, but the ROI-2 curve is closer to a straight line with fiber orientation changing linearly from −60° to 0° over a 0.5mm depth. The ROI-3 curve is flat over the ...

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  • VPH Grating

    2021-11-3u2002·u2002A grism is a compound optical element composed of a GRating and prISM (s). It is a dispersive element that permits an in-line optical layout by cleverly exploiting the differences between gratings and prisms. The prism deflects violet light more than red, while a diffraction grating deflects red more than violet. By combining the two, light can ...

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  • Using Telecentric Optical Systems to Optimize Industrial ...

    2015-6-25u2002·u2002Optical systems in modern microscopy equipment can be subject to a variety of hidden errors. Careful consideration of the optical design used in the equipment is critical. Using microscopes with telecentric optical systems reduces or eliminates many of these errors to optimize image quality, measurement accuracy and reproducibility.

    Get Price
  • Fixed-Magnification Optical System Micro-Inspection

    2017-8-10u2002·u2002working distances. (see Optical Performance Charts p. 06-08). STEP 4. Select the Fixed Tube: The Fixed Tubes are shown on the LEFT AXIS of all Optical Performance Charts, and each Fixed Tube has an optical focal length associated to it. When combined with the focal length of the lens in the Lower Function Module, the two

    Get Price
  • Lesson: UNRAVELING AMBLYOPIA, STRABISMUS,

    2021-1-1u2002·u2002Optical axis: It is the line extending from the anterior to the posterior pole of the eye and is defined by the geometric centers of the crystalline lens and the cornea. Fixation axis: It is the line joining the fixation point and the center of rotation. Angle kappa is the angle between visual (optical) axis and the anatomical (pupillary) axis.

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  • The Quartz Page: Physical Properties

    2014-1-12u2002·u2002The optical axis in quartz corresponds to the c-axis of the unit cell, so there is no birefringence when light passes the crystal from tip to tip. The maximum birefringence occurs when the light passes perpendicular to the optical axis (Fig.5, with the …

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  • Tool path adaption based on optical measurement data

    2012-5-18u2002·u2002Industrial robots are used in a great variety of applications for handling, welding and milling operations. They represent a cost-saving and flexible alternative for machining applications. A reduced pose and path accuracy, especially under process force load due to the high mechanical compliance, restrict the use of industrial robots for further machining applications. Test results showed ...

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  • The Professor - Cohen's Fashion Optical

    Having a friend measure your PD. 1 Find a ruler that measures in millimeters, or download the Cohen's PD ruler.. 2 Look straight at your friend with your eyes open. Focus on an object that is 10' away keeping your head still. 3 Have your friend place the zero on the center of your nose along your brow. Measure the distance from the center of your nose to your left pupil.

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  • Double-Focusing Thermal Triple-Axis Spectrometer at

    2012-2-13u2002·u2002The new thermal triple-axis spectrometer at the NIST Center for Neutron Research (NCNR) is located at the BT-7 beam port. ... focusing capabilities in a variety of configurations, and together these new capabilities can provide signals ... The angular range of the drum is from the straight-through position (for optical alignment purposes) to ...

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  • Quick Start Optical Mounts

    Quick Start Optical Mounts are designed with a common 5' (127mm) optical axis height from the lab table surface, combining all necessary mounting hardware for easy system integration. With Quick Start Optical Mounts designed for a wide variety of optical components, complex systems and experiments can be easily arranged without the need for ...

    Get Price
  • An Introduction to the Optics Manufacturing Process

    2008-10-31u2002·u2002A 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 surfaces do not need to be centered. Small centering errors can have large effects on an

    Get Price
  • Spherical Mirrors – University Physics Volume 3

    Part (c) shows a spherical mirror that is small compared to its radius of curvature. This mirror is a good approximation of a parabolic mirror, so rays that arrive parallel to the optical axis are reflected to a well-defined focal point. The distance along the optical axis from the mirror to the focal point is called the focal length of the mirror.

    Get Price
  • 2100 nm) - Thorlabs, Inc. - Your Source for Fiber Optics ...

    2018-2-9u2002·u2002Thorlabs is pleased to stock a variety of free-space optical isolators designed for use in the infrared spectral range (1110 - 2100 nm). Optical isolators, also known as Faraday isolators, are magneto-optic devices that preferentially transmit light along a single direction, shielding upstream

    Get Price
  • 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.

    Get Price
  • Lithium Niobate Electro-Optic Modulators, Fiber-Coupled

    2021-7-5u2002·u2002Thorlabs Quantum Electronics manufactures a variety of lithium niobate (LiNbO3) optical phase and intensity modulators. These high-performance devices are based on titanium-indiffused waveguide technology, offer large bandwidths, and are ideal for developing high-speed modulation systems.The modulat

    Get Price
  • Birefringence, explained by RP Photonics Encyclopedia ...

    The equation shows that for θ → 0 (i.e., propagation along the optical axis) we obtain n → n o, and the observed birefringence vanishes: one obtains n o for any polarization direction.. One distinguishes positive and negative uniaxial crystals; in the former case, the extraordinary index is higher than the ordinary index.. For biaxial crystals (examples: mica, CaTiO 3 = perovskite, LiB 3 ...

    Get Price
  • Fixed-Magnification Optical System Micro-Inspection

    2017-8-10u2002·u2002working distances. (see Optical Performance Charts p. 06-08). STEP 4. Select the Fixed Tube: The Fixed Tubes are shown on the LEFT AXIS of all Optical Performance Charts, and each Fixed Tube has an optical focal length associated to it. When combined with the focal length of the lens in the Lower Function Module, the two

    Get Price
  • Studying charged particle optics - phylab.fudan.edu.cn

    2009-8-7u2002·u2002Studying charged particle optics 255 0 2040 6080 100-90-80-70-60 V (V) grad V (arb. units) x (mm) Figure 4. The variation of the potential and its derivative along the optical axis as a function of the x position for a three-element einzel lens. focal properties are studied by sending a beam of particles parallel to the optical axis and

    Get Price
  • fonts, typefaces, typography — I love Typography (ILT)

    2016-6-14u2002·u2002In Grifo S, at the other end of the optical axis, letters are sturdier and wider and exhibit less stroke contrast. There is more space between letters, and extenders are longer. Grifo M, of course, is in the middle of the optical axis, between Grifo S and Grifo …

    Get Price
  • Quick Start Optical Mounts

    Quick Start Optical Mounts are designed with a common 5' (127mm) optical axis height from the lab table surface, combining all necessary mounting hardware for easy system integration. With Quick Start Optical Mounts designed for a wide variety of optical components, complex systems and experiments can be easily arranged without the need for ...

    Get Price
  • An Introduction to the Optics Manufacturing Process

    2008-10-31u2002·u2002A 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 surfaces do not need to be centered. Small centering errors can have large effects on an

    Get Price
  • Spherical Mirrors – University Physics Volume 3

    Part (c) shows a spherical mirror that is small compared to its radius of curvature. This mirror is a good approximation of a parabolic mirror, so rays that arrive parallel to the optical axis are reflected to a well-defined focal point. The distance along the optical axis from the mirror to the focal point is called the focal length of the mirror.

    Get Price
  • 2100 nm) - Thorlabs, Inc. - Your Source for Fiber Optics ...

    2018-2-9u2002·u2002Thorlabs is pleased to stock a variety of free-space optical isolators designed for use in the infrared spectral range (1110 - 2100 nm). Optical isolators, also known as Faraday isolators, are magneto-optic devices that preferentially transmit light along a single direction, shielding upstream

    Get Price
  • 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.

    Get Price
  • Lithium Niobate Electro-Optic Modulators, Fiber-Coupled

    2021-7-5u2002·u2002Thorlabs Quantum Electronics manufactures a variety of lithium niobate (LiNbO3) optical phase and intensity modulators. These high-performance devices are based on titanium-indiffused waveguide technology, offer large bandwidths, and are ideal for developing high-speed modulation systems.The modulat

    Get Price
  • Birefringence, explained by RP Photonics Encyclopedia ...

    The equation shows that for θ → 0 (i.e., propagation along the optical axis) we obtain n → n o, and the observed birefringence vanishes: one obtains n o for any polarization direction.. One distinguishes positive and negative uniaxial crystals; in the former case, the extraordinary index is higher than the ordinary index.. For biaxial crystals (examples: mica, CaTiO 3 = perovskite, LiB 3 ...

    Get Price
  • Fixed-Magnification Optical System Micro-Inspection

    2017-8-10u2002·u2002working distances. (see Optical Performance Charts p. 06-08). STEP 4. Select the Fixed Tube: The Fixed Tubes are shown on the LEFT AXIS of all Optical Performance Charts, and each Fixed Tube has an optical focal length associated to it. When combined with the focal length of the lens in the Lower Function Module, the two

    Get Price
  • Studying charged particle optics - phylab.fudan.edu.cn

    2009-8-7u2002·u2002Studying charged particle optics 255 0 2040 6080 100-90-80-70-60 V (V) grad V (arb. units) x (mm) Figure 4. The variation of the potential and its derivative along the optical axis as a function of the x position for a three-element einzel lens. focal properties are studied by sending a beam of particles parallel to the optical axis and

    Get Price
  • fonts, typefaces, typography — I love Typography (ILT)

    2016-6-14u2002·u2002In Grifo S, at the other end of the optical axis, letters are sturdier and wider and exhibit less stroke contrast. There is more space between letters, and extenders are longer. Grifo M, of course, is in the middle of the optical axis, between Grifo S and Grifo …

    Get Price
  • Optical Resonance (Chapter 6) - Principles of Photonics

    An optical cavity can take a variety of forms. Figure 6.1 shows the schematic structures of a few different forms of optical cavities. Though an optical cavity has a clearly defined longitudinal axis, the axis can lie on a straight line, as in Fig. 6.1(a), or it can be defined by a folded path, as in Figs. 6.1(b), (c), and (d).

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  • Uniaxial films of maximally controllable response under ...

    2020-8-3u2002·u2002In particular, for each material, we compute CF for all possible duty cycles (0Get Price

  • Manual XYZ-Axis Stages - Manual Positioning Stages

    A rack and pinion type stage (XYZ-axis) that is ideal for making quick and large movements. [Features] ・ It consists of a rack rail and a pinion gear, and can be moved greatly with 1 rotation of the handle. ・ Ideal for easy alignment and evacuation. [Applications] ・ Adjustment of cameras, microscopes, sensors and optical components.

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  • ContourX-200

    2021-11-2u2002·u2002The ContourX-200 Optical Profilometer provides the perfect blend of advanced characterization, customizable options, and ease of use for best-in-class fast, accurate, and repeatable non-contact 3D surface metrology. The gage-capable, small footprint system offers uncompromised 2D/3D high-resolution measurement capabilities using a larger FOV 5 MP digital camera and new …

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  • Manual XY-Axis Stages - Manual Positioning Stages

    A low profile cross roller guide stage (XY-axis) with an integrated XY-axis structure. [Features] ・ Lightweight as the body material is made of aluminum. ・ The thickness of the main body can be reduced compared to the single axis combination. ・ Available in 40 …

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  • Optoform lathe for contact lenses and IOLs

    The world's most competitively priced ultra-precision lathe for manufacturing contact lenses or intra-ocular lenses. The Optoform® 40 was designed to provide ultra smooth motion, the air bearing slideways utilize linear motor technology with ultramarine pitch linear glass scales for position feedback. The air bearing slides are mounted on a ...

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  • H Series - Hardinge

    2021-11-2u2002·u2002H Series. Hardinge's turning center, The Conquest® H51 Super-Precision bar machine, features a quick-change collet-ready 20hp, 5000rpm A2-6' main spindle with a 2' bar capacity. It offers a generous maximum turning diameter of 12.3' and a maximum turning length of 25.5'. The 12 station turret offers ½ station index for up to 24 tools.

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  • Balancing an SCT

    2008-3-20u2002·u2002For illustrations on how to balance a scope, go to the Balancing a Telescope page of the Starizona web site, or the 'Balancing an SCT' page of Janet Miller's Jan's LX-90 web site. Dynamic Balance. Dynamic balance means that your scope is balanced vertically. Another way of looking at this is that when your scope is horizontal there is a ...

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  • Optical Materials: Double-Sided Lapping and Polishing ...

    In theory, the process requires a minimum of three parts. The actual number is determined by part quantity, part size, and machine size. With double-sided lapping and polishing (DSLP), the optical components are held in geared or sprocketed carriers that are driven in a planetary motion covering the full surface of the lapping plates and are subject to continually changing direction of rotation.

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  • To End All Wars - Variety

    2002-6-19u2002·u2002To End All Wars Captured Allied troops' forced-labor construction of a railroad through Thailand and Burma inspired David Lean's screen classic 'The Bridge on the River Kwai.'

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