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Search Results for: Laser Beam Analysis (146)

Why Use a Flat Top Laser Beam?

Converting a Gaussian laser beam profile into a flat top beam profile can have numerous benefits including minimized wasted energy and increased feature accuracy.

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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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Beam Expander Testing

Shack-Hartmann wavefront sensors are used to test the transmitted wavefront error of laser beam expanders, predicting the real-world performance of the beam expander.

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Rotating vs. Sliding Beam Expander Divergence Adjustment

Sliding focusing mechanisms for laser beam expanders cause less beam wander than rotating focusing mechanisms, but they use more complex mechanics and are typically more expensive.

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Bulk Laser Damage in Glass

Learn why the bulk laser-induced damage threshold (LIDT) of glass is significantly different than the LIDT optical components with coatings, such as AR thin films.

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Key Parameters of a Laser System

Learn the key parameters that must be considered to ensure you laser application is successful. Common terminology will be established for these parameters.

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Laser Beam Expanders

Laser beam expanders are critical for reducing power density, minimizing beam diameter at a distance, and minimizing focused laser spot size.

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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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Microscopy and the Analysis of a Trichrome Stain

Imaging biological materials can be extremely difficult. Masson's trichrome stain helps differentiate components of cells from their surrounding tissues.

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Laser Polarization: The Importance of Polarization in Laser Applications

Understanding the polarization of laser light is critical for many applications, as polarization impacts reflectance, focusing the beam, and other key behaviors.

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Effects of Laser Mirror Surface Flatness

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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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Why Laser Damage Testing is Critical for UV Laser Applications

Laser Induced Damage Threshold describes the maximum quantity of laser radiation an optic can take before damaging. Learn 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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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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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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Laser Damage Threshold Testing

Testing laser induced damage threshold (LIDT) is not standardized, so understanding how your optics were tested is critical for predicting performance.

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Beam Quality and Strehl Ratio

There are several metrics used to describe the quality of a laser beam including the M2 factor, the beam parameter product, and power in the bucket

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Beam Expander Selection Guide

Not sure which beam expander will work best in your application? Check out EO's Beam Expander Selection Guide to easily compare each type at Edmund Optics.

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Advantages of Using Beam Expanders

Learn more about the advantages of using beam expanders in laser optics applications, with examples on spot size and beam size, at Edmund Optics.

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Simplifying Laser Alignment

Many challenges can arise when aligning a laser beam; knowing specific tips and tricks can help simplify the process. Learn more at Edmund Optics.

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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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High Laser Damage AR Coatings

Laser optics high reflectivity mirrors meet exceptional specifications that Edmund Optics' competitors often fail to meet. Learn more at Edmund Optics.

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Coherent® Laser Selection Guide

Compare Coherent Laser specifications with the Edmund Optics selection guide.

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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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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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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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How to Design your own Beam Expander Using Stock Optics

Are standard beam expanders not meeting your application requirements? Learn how to design your own beam expander using stock optics at Edmund Optics.

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Metrology for Laser Optics

Metrology is critical for ensuring that optical components consistently meet their desired specifications, especially in laser applications.

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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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