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  • Polarized Light Microscopy - Microscope Configuration ...Explore further

    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
  • A new, fluorescence-based method for visualizing the ...

    2021-10-28u2002·u2002A new, fluorescence-based method for visualizing the pseudopupil and assessing optical acuity in the dark compound eyes of honeybees and other insects

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  • OptiSpheric - TRIOPTICS - worldwide standard for optical ...

    OptiSpheric ® is the industry standard for non-contact inspection of basic axial optical and mechanical parameters and is used worldwide to fully measure and qualify single lenses – as well as intraocular lenses – and optical systems. The world's largest laboratories and major optics manufacturers rely on TRIOPTICS optical inspection systems. ...

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  • S

    A type of optical aberration in which light rays from the outer portion of a lens focus either in front of (undercorrected) or behind (overcorrected) the focus point of the rays from the center portion of the lens. Unlike most other monochromatic aberrations, spherical aberration appears on-axis as well as off-axis.

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  • AXIS V5914 PTZ Network Camera

    AXIS V5914 PTZ Network Camera offer smooth pan/tilt/zoom, high quality audio and powerful 30x zoom. The open interface makes it easy to integrate with other systems and share information with a broader audience such as in auditoriums, classrooms, as well as peer-to …

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  • Lens Aberrations: Avoiding Defects in Imagery

    The residual coma in a lens system is usually combined with other off-axis aberrations, making its individual contribution to final image quality difficult to evaluate. Field curvature In most optical systems, the final image must be formed on a plane or flat surface. Unfortunately, most optical systems tend to form that image on a curved surface.

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  • Atomic Step Formation on Sapphire Surface in Ultra ...

    2016-7-22u2002·u2002The c-axis of the idealized step structures was vertical [shown in Fig. 5(a)]. However, for the wafer used in experiments, the normal axis (n s) to the vicinal (0001) surface (step slope) was ...

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  • Measurement of wave-front aberration in soft contact ...

    2021-8-30u2002·u2002had radial rings and three straight lines representing the optical zone and orientation of the contact lens, as shown in Fig. 1. A pupil camera was used to align the contact lenses to the optical axis by monitoring these radial rings and straight lines. The wave-front aber-ration was measured for a 7.09 mm pupil, and we

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  • Non-intrusive torque measurement for rotating shafts

    2018-5-10u2002·u2002Non-intrusive, reliable and precise torque measurement is critical to dynamic performance monitoring, control and condition monitoring of rotating mechanical systems. This paper presents a novel, contactless torque measurement system consisting of two shaft-mounted zebra tapes and two optical sensors mounted on stationary rigid supports.

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  • Best gaming mouse 2021

    2021-11-30u2002·u2002Overall, a quality gaming mouse for an attractive price, and worth a place on your best gaming mouse 2021 shortlist. Lightweight and ambidextrous, the …

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  • Optical Fiber Mechanical Reliability

    While investigations refining our basic knowledge of optical fiber fracture will likely continue for many years, the knowledge gained since 1986 coupled with well-controlled manufacturing and installation processes have resulted in a communication network that …

    Get Price
  • Lens Aberrations: Avoiding Defects in Imagery

    The residual coma in a lens system is usually combined with other off-axis aberrations, making its individual contribution to final image quality difficult to evaluate. Field curvature In most optical systems, the final image must be formed on a plane or flat surface. Unfortunately, most optical systems tend to form that image on a curved surface.

    Get Price
  • Higher order aberration

    Aberration (optics) A departure of an optical image-forming system from ideal behavior. Ideally, such a system will produce a unique image point corresponding to each object point. In addition, every straight line in the object space will have as its corresponding image a unique straight line.

    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
  • Variability of manual ciliary muscle segmentation in ...

    2018-2-1u2002·u2002Optical coherence tomography (OCT) offers new options for imaging the ciliary muscle allowing direct in vivo visualization. However, variation in image quality along the length of the muscle prevents accurate delineation and quantification of the muscle. ...

    Get Price
  • Double Glan-Taylor Calcite Polarizers - Thorlabs

    2017-7-25u2002·u2002Laser Quality, Low Scatter, Natural Calcite. Our Double Glan Taylor Polarizers offer an ideal solution for high-quality polarization with extinction ratios greater than 100 000:1 for laser beams in the 0.35-2.3 μm wavelength range. These triple prism, air-spaced polarizers are made from the highest optical grade of calcite.

    Get Price
  • Robotically aligned optical coherence tomography with 5 ...

    2021-11-8u2002·u2002Optical coherence tomography (OCT) has revolutionized diagnostics in ophthalmology. However, OCT requires a trained operator and patient cooperation to carefully align a scanner with the subject’s eye and orient it in such a way that it images a desired region of interest at the retina. With the goal of automating this process of orienting and aligning the scanner, we developed a robot ...

    Get Price
  • LED source interferometer for microscopic fringe ...

    The main features of optical methods are high precision, low acquisition time and flexibility; furthermore, they can be used where a non-destructive test is required. However, these methods require stable optical configurations and high precision mechanical components, and as a consequence, their use is limited in specific applications.

    Get Price
  • Zeiss-1000 SAO RAS: Instruments and Methods of

    2021-1-14u2002·u2002Abstract—The paper describes Zeiss-1000, the one meter telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences (SAO RAS), the history of the development of its observation methods and potential areas of astrophysical research. Detailed attention is paid to instruments and methods of observation which are in service nowadays.

    Get Price
  • A Method to Remotely Track a Magnetic Target Using a ...

    6. Conclusions. In this paper, we presented a method based on a scalar magnetometer array to track a moving magnetic target. In this method, we isolated the magnitude of the magnetic moment from the scalar magnetic anomaly and formulated an optimization problem based on it to determine the position and magnetic parameters of the target.

    Get Price
  • Optical Fiber Mechanical Reliability

    While investigations refining our basic knowledge of optical fiber fracture will likely continue for many years, the knowledge gained since 1986 coupled with well-controlled manufacturing and installation processes have resulted in a communication network that …

    Get Price
  • Lens Aberrations: Avoiding Defects in Imagery

    The residual coma in a lens system is usually combined with other off-axis aberrations, making its individual contribution to final image quality difficult to evaluate. Field curvature In most optical systems, the final image must be formed on a plane or flat surface. Unfortunately, most optical systems tend to form that image on a curved surface.

    Get Price
  • Higher order aberration

    Aberration (optics) A departure of an optical image-forming system from ideal behavior. Ideally, such a system will produce a unique image point corresponding to each object point. In addition, every straight line in the object space will have as its corresponding image a unique straight line.

    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
  • Variability of manual ciliary muscle segmentation in ...

    2018-2-1u2002·u2002Optical coherence tomography (OCT) offers new options for imaging the ciliary muscle allowing direct in vivo visualization. However, variation in image quality along the length of the muscle prevents accurate delineation and quantification of the muscle. ...

    Get Price
  • Double Glan-Taylor Calcite Polarizers - Thorlabs

    2017-7-25u2002·u2002Laser Quality, Low Scatter, Natural Calcite. Our Double Glan Taylor Polarizers offer an ideal solution for high-quality polarization with extinction ratios greater than 100 000:1 for laser beams in the 0.35-2.3 μm wavelength range. These triple prism, air-spaced polarizers are made from the highest optical grade of calcite.

    Get Price
  • Robotically aligned optical coherence tomography with 5 ...

    2021-11-8u2002·u2002Optical coherence tomography (OCT) has revolutionized diagnostics in ophthalmology. However, OCT requires a trained operator and patient cooperation to carefully align a scanner with the subject’s eye and orient it in such a way that it images a desired region of interest at the retina. With the goal of automating this process of orienting and aligning the scanner, we developed a robot ...

    Get Price
  • LED source interferometer for microscopic fringe ...

    The main features of optical methods are high precision, low acquisition time and flexibility; furthermore, they can be used where a non-destructive test is required. However, these methods require stable optical configurations and high precision mechanical components, and as a consequence, their use is limited in specific applications.

    Get Price
  • Zeiss-1000 SAO RAS: Instruments and Methods of

    2021-1-14u2002·u2002Abstract—The paper describes Zeiss-1000, the one meter telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences (SAO RAS), the history of the development of its observation methods and potential areas of astrophysical research. Detailed attention is paid to instruments and methods of observation which are in service nowadays.

    Get Price
  • A Method to Remotely Track a Magnetic Target Using a ...

    6. Conclusions. In this paper, we presented a method based on a scalar magnetometer array to track a moving magnetic target. In this method, we isolated the magnitude of the magnetic moment from the scalar magnetic anomaly and formulated an optimization problem based on it to determine the position and magnetic parameters of the target.

    Get Price
  • Optical Fiber Mechanical Reliability

    While investigations refining our basic knowledge of optical fiber fracture will likely continue for many years, the knowledge gained since 1986 coupled with well-controlled manufacturing and installation processes have resulted in a communication network that has proven extremely reliable. 2 Stress 2.1 Residual Stress

    Get Price
  • Lens Aberrations: Avoiding Defects in Imagery

    The residual coma in a lens system is usually combined with other off-axis aberrations, making its individual contribution to final image quality difficult to evaluate. Field curvature In most optical systems, the final image must be formed on a plane or flat surface. Unfortunately, most optical systems tend to form that image on a curved surface.

    Get Price
  • Higher order aberration

    Aberration (optics) A departure of an optical image-forming system from ideal behavior. Ideally, such a system will produce a unique image point corresponding to each object point. In addition, every straight line in the object space will have as its corresponding image a unique straight line.

    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
  • Variability of manual ciliary muscle segmentation in ...

    2018-2-1u2002·u2002Optical coherence tomography (OCT) offers new options for imaging the ciliary muscle allowing direct in vivo visualization. However, variation in image quality along the length of the muscle prevents accurate delineation and quantification of the muscle. ...

    Get Price
  • Double Glan-Taylor Calcite Polarizers - Thorlabs

    2017-7-25u2002·u2002Laser Quality, Low Scatter, Natural Calcite. Our Double Glan Taylor Polarizers offer an ideal solution for high-quality polarization with extinction ratios greater than 100 000:1 for laser beams in the 0.35-2.3 μm wavelength range. These triple prism, air-spaced polarizers are made from the highest optical grade of calcite.

    Get Price
  • Robotically aligned optical coherence tomography with 5 ...

    2021-11-8u2002·u2002Optical coherence tomography (OCT) has revolutionized diagnostics in ophthalmology. However, OCT requires a trained operator and patient cooperation to carefully align a scanner with the subject’s eye and orient it in such a way that it images a desired region of interest at the retina. With the goal of automating this process of orienting and …

    Get Price
  • LED source interferometer for microscopic fringe ...

    The main features of optical methods are high precision, low acquisition time and flexibility; furthermore, they can be used where a non-destructive test is required. However, these methods require stable optical configurations and high precision mechanical components, and as a consequence, their use is limited in specific applications.

    Get Price
  • Zeiss-1000 SAO RAS: Instruments and Methods of

    2021-1-14u2002·u2002Abstract—The paper describes Zeiss-1000, the one meter telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences (SAO RAS), the history of the development of its observation methods and potential areas of astrophysical research. Detailed attention is paid to instruments and methods of observation which are in service nowadays.

    Get Price
  • A Method to Remotely Track a Magnetic Target Using a ...

    6. Conclusions. In this paper, we presented a method based on a scalar magnetometer array to track a moving magnetic target. In this method, we isolated the magnitude of the magnetic moment from the scalar magnetic anomaly and formulated an optimization problem based on it to determine the position and magnetic parameters of the target.

    Get Price
  • Optical Fiber Mechanical Reliability

    While investigations refining our basic knowledge of optical fiber fracture will likely continue for many years, the knowledge gained since 1986 coupled with well-controlled manufacturing and installation processes have resulted in a communication network that has proven extremely reliable. 2 Stress 2.1 Residual Stress

    Get Price
  • Lens Aberrations: Avoiding Defects in Imagery

    The residual coma in a lens system is usually combined with other off-axis aberrations, making its individual contribution to final image quality difficult to evaluate. Field curvature In most optical systems, the final image must be formed on a plane or flat surface. Unfortunately, most optical systems tend to form that image on a curved surface.

    Get Price
  • Higher order aberration

    Aberration (optics) A departure of an optical image-forming system from ideal behavior. Ideally, such a system will produce a unique image point corresponding to each object point. In addition, every straight line in the object space will have as its corresponding image a unique straight line.

    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
  • Variability of manual ciliary muscle segmentation in ...

    2018-2-1u2002·u2002Optical coherence tomography (OCT) offers new options for imaging the ciliary muscle allowing direct in vivo visualization. However, variation in image quality along the length of the muscle prevents accurate delineation and quantification of the muscle. ...

    Get Price
  • Double Glan-Taylor Calcite Polarizers - Thorlabs

    2017-7-25u2002·u2002Laser Quality, Low Scatter, Natural Calcite. Our Double Glan Taylor Polarizers offer an ideal solution for high-quality polarization with extinction ratios greater than 100 000:1 for laser beams in the 0.35-2.3 μm wavelength range. These triple prism, air-spaced polarizers are made from the highest optical grade of calcite.

    Get Price
  • Robotically aligned optical coherence tomography with 5 ...

    2021-11-8u2002·u2002Optical coherence tomography (OCT) has revolutionized diagnostics in ophthalmology. However, OCT requires a trained operator and patient cooperation to carefully align a scanner with the subject’s eye and orient it in such a way that it images a desired region of interest at the retina. With the goal of automating this process of orienting and …

    Get Price
  • LED source interferometer for microscopic fringe ...

    The main features of optical methods are high precision, low acquisition time and flexibility; furthermore, they can be used where a non-destructive test is required. However, these methods require stable optical configurations and high precision mechanical components, and as a consequence, their use is limited in specific applications.

    Get Price
  • Zeiss-1000 SAO RAS: Instruments and Methods of

    2021-1-14u2002·u2002Abstract—The paper describes Zeiss-1000, the one meter telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences (SAO RAS), the history of the development of its observation methods and potential areas of astrophysical research. Detailed attention is paid to instruments and methods of observation which are in service nowadays.

    Get Price
  • A Method to Remotely Track a Magnetic Target Using a ...

    6. Conclusions. In this paper, we presented a method based on a scalar magnetometer array to track a moving magnetic target. In this method, we isolated the magnitude of the magnetic moment from the scalar magnetic anomaly and formulated an optimization problem based on it to determine the position and magnetic parameters of the target.

    Get Price
  • Optical Fiber Mechanical Reliability

    While investigations refining our basic knowledge of optical fiber fracture will likely continue for many years, the knowledge gained since 1986 coupled with well-controlled manufacturing and installation processes have resulted in a communication network that has proven extremely reliable. 2 Stress 2.1 Residual Stress

    Get Price
  • Lens Aberrations: Avoiding Defects in Imagery

    The residual coma in a lens system is usually combined with other off-axis aberrations, making its individual contribution to final image quality difficult to evaluate. Field curvature In most optical systems, the final image must be formed on a plane or flat surface. Unfortunately, most optical systems tend to form that image on a curved surface.

    Get Price
  • Higher order aberration

    Aberration (optics) A departure of an optical image-forming system from ideal behavior. Ideally, such a system will produce a unique image point corresponding to each object point. In addition, every straight line in the object space will have as its corresponding image a unique straight line.

    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
  • Variability of manual ciliary muscle segmentation in ...

    2018-2-1u2002·u2002Optical coherence tomography (OCT) offers new options for imaging the ciliary muscle allowing direct in vivo visualization. However, variation in image quality along the length of the muscle prevents accurate delineation and quantification of the muscle. ...

    Get Price
  • Double Glan-Taylor Calcite Polarizers - Thorlabs

    2017-7-25u2002·u2002Laser Quality, Low Scatter, Natural Calcite. Our Double Glan Taylor Polarizers offer an ideal solution for high-quality polarization with extinction ratios greater than 100 000:1 for laser beams in the 0.35-2.3 μm wavelength range. These triple prism, air-spaced polarizers are made from the highest optical grade of calcite.

    Get Price
  • Robotically aligned optical coherence tomography with 5 ...

    2021-11-8u2002·u2002Optical coherence tomography (OCT) has revolutionized diagnostics in ophthalmology. However, OCT requires a trained operator and patient cooperation to carefully align a scanner with the subject’s eye and orient it in such a way that it images a desired region of interest at the retina. With the goal of automating this process of orienting and …

    Get Price
  • LED source interferometer for microscopic fringe ...

    The main features of optical methods are high precision, low acquisition time and flexibility; furthermore, they can be used where a non-destructive test is required. However, these methods require stable optical configurations and high precision mechanical components, and as a consequence, their use is limited in specific applications.

    Get Price
  • Zeiss-1000 SAO RAS: Instruments and Methods of

    2021-1-14u2002·u2002Abstract—The paper describes Zeiss-1000, the one meter telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences (SAO RAS), the history of the development of its observation methods and potential areas of astrophysical research. Detailed attention is paid to instruments and methods of observation which are in service nowadays.

    Get Price
  • A Method to Remotely Track a Magnetic Target Using a ...

    6. Conclusions. In this paper, we presented a method based on a scalar magnetometer array to track a moving magnetic target. In this method, we isolated the magnitude of the magnetic moment from the scalar magnetic anomaly and formulated an optimization problem based on it to determine the position and magnetic parameters of the target.

    Get Price