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Edmund Optics®

Knowledge Center

 Verified library of trusted technical resources created by our 240+ global engineers.

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Knowledge Center Resources (1518)

The Future Depends on Optics

Optics and the manipulation of light are critical for countless applications that save lives and improve quality of life across the world

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Working Distance and Focal Length Basics

Working distance and focal length are two of the most fundamental parameters of any imaging system. Learn more in this hands-on video demo.

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Imaging Performance of Telecentric Lenses

Telecentric lenses eliminate perspective and measurement error, and are ideal for measurement and gauging applications.

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Understanding Optical Specifications

Do you want to know more about the importance of optical specifications? Learn the different types of specifications and their impact on your system at Edmund Optics.

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Lens Performance Curves

Are you trying to measure the performance of your lens? Although this can be a difficult task, there are curves that can help. Read more at Edmund Optics.

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Understanding Focal Length and Field of View

Learn how to understand focal length and field of view for imaging lenses through calculations, working distance, and examples at Edmund Optics.

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Understanding Microscopes and Objectives

Learn about the different components used to build a microscope, key concepts, and specifications at Edmund Optics.

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Confocal Microscopy

Confocal microscopy provides high resolution, elimination of out-of-focus glare due to spatial filtering, and reduction of light-induced damage to the sample.

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Multiphoton Microscopy

Multiphoton microscopy is ideal for capturing high-resolution 3D images with reduced photobleaching and phototoxicity compared to confocal microscopy.

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Understanding and Specifying LIDT of Laser Components

Laser induced damage threshold (LIDT) denotes the maximum laser fluence an optical component can withstand with an acceptable amount of risk.

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Gaussian Beam Propagation

Many lasers are assumed to have a Gaussian profile, and understanding Gaussian beam propagation is crucial for predicting real-world performance of lasers.

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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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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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Basics of Ultrafast Lasers

Master the fundamentals of ultrafast lasers and how to choose optics that can withstand their high powers and short pulse durations.

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Laser Beam Shaping Overview

Learn how to navigate the many available options for shaping the irradiance profile and phase of laser beams to maximize your laser system's performance.

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Introduction to Polarization

Is polarization a new topic for you? Learn about key terminology, types, and more information to help you understand polarization at Edmund Optics.

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Introduction to Optical Prisms

Learn about the different types of optical prisms, their applications, and how to select the right prism for your specific system.

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Introduction to Modulation Transfer Function

Want to know more about the Modular Transfer Function? Learn about the components, understanding, importance, and characterization of MTF at Edmund Optics.

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All About Aspheric Lenses

Learn all about the benefits of aspheres, their unique anatomy, how they're manufactured, and how to choose the right one for your system.

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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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Understanding Surface Roughness

Surface roughness describes how a shape deviates from its ideal form. This is critical for controlling light scatter in laser devices and other optical systems.

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Gaussian Beams Calculator

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1951 USAF Resolution Calculator

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Imaging System Parameter Calculator

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Simple Magnifier Calculator

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Koehler Illumination Calculator

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Focal Length Calculator

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SAG Calculator

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Illumination Spot Size Calculator

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Laser Spot Size

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