高對比度近紅外（NIR）偏光膜

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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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VIS/NIR Coating

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NIR (Near Infrared)

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選擇正確的紅外線(IR)正確材料

Using an Infrared Application? Discover the importance of choosing the right material and comparisons of each at Edmund Optics.

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Laser-Cut Polymer Polarizer and Retarder Quote Tool

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Infrared (IR) Spectrum

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Polymer Polarizers and Retarders

Polymer polarizers and retarders, consisting of sheets of polyvinyl alcohol and TAC cellulose triacetate, alter the polarization of light.

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Polarizer Selection Guide

Edmund Optics' Polarizer Selection Guide refines your search for a specific type of polarizer.

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Understanding Waveplates and Retarders

Waveplates (retarders) are different when used in polarized light than unpolarized light. Consider terminology, fabrication, or applications at Edmund Optics.

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How Do 3D Movies Work? Polarization

Optical Engineer Katie Schwertz explains how 3D movies work because of polarization in a kid-friendly way.

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Polarization Overview - Part 1: Polarization Basics

Polarizers are optical components designed to filter, modify, or analyze the various polarization states of light.

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Polarization Overview - Part 2: Waveplates & Retarders (Advanced)

Waveplates and retarders are optical components designed to transmit light while modifying its polarization state without attenuating, deviating, or displacing the beam.

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You offer many types of polarizers. What are some key benefits to help me decide which is best for my application?

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Are the polarizers shipped with a protective film?

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What is the difference between s- and p-polarization states?

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What are the meanings for the different terms used for polarizers?

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How can I tell what the polarization axis is for a linear polarizer?

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When you list the average transmission of a polarizer, what is the difference between single, parallel, and crossed?

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I have a linear polarizer glass filter and would like to create circularly polarized light. What type of optics do I need for this?

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What is the maximum amount of light a polarizer can transmit?

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Does the circular polarizer material have to face a particular direction?

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What is the fast and slow axis of a retarder and how do they differ?

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How can I find the fast and slow axes of a retarder?

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What is the difference between multiple and zero-order retarders and when should I pick one over the other?

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How can I determine if a retarder is quarter or half wave?

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Can I adapt a retarder for use with a specific wavelength other than the design wavelength?

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What is the benefit of polymer retarders?

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Unpolarized

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Wire Grid Polarizer

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Analyzer

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Birefringence

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Circular Polarizer

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Polarization

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Polarizer

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Polarizing Efficiency

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P-Polarization

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Retardance

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Retarder (Waveplate)

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S-Polarization

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UV vs. IR Grade Fused Silica

UV grade fused silica is ideal for UV and visible applications, but IR grade fused silica has better transmission in the IR due to a lack of OH- impurities.

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Hyperspectral & Multispectral Imaging – TRENDING IN OPTICS: EPISODE 7

Hyperspectral and multispectral imaging are imaging technologies that capture information from a broader portion of the electromagnetic spectrum.

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You offer many substrates for UV and IR applications. How do I know which is best for me?

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Successful Light Polarization Techniques

Are you looking for a solution to common imaging problems? Discover different polarization techniques to improve your image at Edmund Optics.

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Polarization Directed Flat Lenses Product Review

Polarization Directed Flat Lenses, which are formed with polymerized liquid crystal thin-film, create a focal length that is dependent on polarization state.

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Polarizers Review

Polarizers are used in a wide range of imaging and research and development applications.

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Does the polarization of light change after reflecting off a mirror?

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Do diffusers affect the polarization of light?

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Does the polarization of light change when it passes through a beamsplitter?

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I would like to split light from a circularly polarized laser source into two beams. What happens when it passes through a cube beamsplitter – both non-polarizing and polarizing?

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Does light entering a multimode fiber undergo a polarization change during propagation through the fiber? If so, can the emerging light be linearly polarized by placing a polarizer at the fiber’s output end?

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Why does the polarization of a laser matter?

The polarization state of a laser source is important for many different applications.

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Extinction Ratio

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Non-Polarizing Beamsplitter

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Polarizing Beamsplitter

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Optical Microscopy Application: Differential Interference Contrast

Differential interference contrast (DIC) is one of the polarization techniques that can be used in optical microscopy. Learn about this technique at Edmund Optics.

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雷射偏振：偏振在雷射應用的重要性

了解雷射的偏振對於許多應用至關重要，因為偏振會影響反射率、聚焦光束和其他關鍵行為。

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