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Assembling Compact Machine Vision Microscopy Systems with 120i Plan APO Infinity Corrected Objectives

Reduce the size and weight of your high magnification machine vision system with infinity corrected TECHSPEC® 120i Plan APO Infinity Corrected Objectives.

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Lens Geometry Performance Comparison

This comparison of the performance of aspheric, achromatic, and spherical PCX lenses in different situations reveals the ideal use cases for each type of lens.

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Different Types of LIDT Specifications

Not all optical components are tested for laser-induced damage threshold (LIDT) and testing methods differ, resulting in different types of LIDT specifications.

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Can A Beam Expander be Used in Reverse?

Beam expanders can be used in reverse to decrease a laser beam's diameter, but divergence will be increased.

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Highly Reflective Coatings

Highly reflective (HR) coatings are applied to optical components to minimize losses when reflecting lasers and other light sources.

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Subsurface Damage

Subsurface damage in optical components can lead to increased absorption and scatter, reducing system performance.

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Absorption in Laser Optics

Light is absorbed in optical media through several methods including exciting electrons to higher energy states and converting to thermal energy

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Cameras

Are you new to imaging or looking for a refresh on camera types? Learn about the advantages to camera types, digital interfaces, and more at Edmund Optics.

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Common Laser Optics Materials

Understanding the most commonly used laser optics materials will allow for easy navigation of EO’s wide selection of laser optics components.

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Uncertainty in LIDT Specifications

Laser induced damage threshold (LIDT) of optics is a statistical value influenced by defect density, the testing method, and fluctuations in the laser.

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Anamorphic Prism Pairs

Anamorphic prism pairs circularize elliptical laser beams, which results in smaller focused spot sizes.

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Common Laser Types

Understanding the most common laser sources, modes of operation, and gain media provides the context for selecting the proper laser for your specific application.

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Optical Flats

Want to know more about optical flats? Find information including an explanation, what optical flats show, applications, and more at Edmund Optics.

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What are Cylinder Lenses?

Learn what cylindrical lenses are, how they work, and how they are used in different systems in this guide by Edmund Optics.

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Homogeneity and Scatter from Inclusions and Bubbles

Inhomogeneity and scatter from inclusions and bubbles in optical components can lead to worse performance, especially in laser optics applications.

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Importance of Beam Diameter on Laser Damage Threshold

The diameter of a laser highly affects an optic’s laser induced damage (LIDT) as beam diameter directly impacts the probability of laser damage.

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Testing and Targets

Discover the different types of testing targets and their ideal applications, advantages, limitations, equations, and examples at Edmund Optics.

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An Introduction to Optical Coatings

Optical coatings are used to influence the transmission, reflection, or polarization properties of an optical component.

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Anti-Reflection (AR) Coatings

Anti-reflection (AR) coatings are applied to optical components to increase throughput and reduce hazards caused by back-reflections.

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A Guide to (Not Over) Specifying Losses in Laser Optics

Overspecifying optical losses in laser systems will not further improve your performance or reliability, but it could cost you additional money and/or time.

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An In-Depth Look at Axicons

Axicons can be used in a variety of different fields. Find out more about axicons and how to use them in applications at Edmund Optics.

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Considerations When Using Cylinder Lenses

Learn about specifications that should be considered when using cylinder lenses, including power axis wedge, plano axis wedge, and axial twist at Edmund Optics.

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Laser Power Density versus Energy Density

Power density, energy density, fluence, and irradiance are often incorrectly used in laser optics applications. Learn the correct definitions and usage.

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Telecentric Illumination

Think you don't need telecentric illumination in machine vision applications? Find out why you need telecentric illumination at Edmund Optics.

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Aspheric Lens Irregularity and Strehl Ratio

The Strehl ratio of an optical system is a comparison of its real performance with its diffraction-limited performance.

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Dispersion

Dispersion is the dependence of the phase velocity or phase delay of light on another parameter, such as wavelength, propagation mode, or polarization.

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Thermal Properties of Optical Substrates

The thermal properties of optical substrates including the CTE, dn/dT, and thermal conductivity are critical for predicting real-world performance

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Superpolished Optics

Superpolished optics with ultra-low surface roughness minimize scatter in optical systems, which is critical in sensitive laser applications.

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Understanding Surface Quality Specifications

The surface quality of optical components the scattering off of its surface, which is especially important in laser optics applications.

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Laser Resonator Modes

The length of a laser resonator determines the laser’s resonator modes, or the electric field distributions that cause a standing wave in the cavity.

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