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Edmund Optics®

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Knowledge Center Resources (221)

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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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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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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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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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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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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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 Microscopes and Objectives

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

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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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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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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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LIDT for Ultrafast Lasers

The short pulse durations of ultrafast lasers make them interact with optical components differently, impacting the optic’s laser damage threshold.

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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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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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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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Subsurface Damage

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

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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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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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Ultrafast Dispersion

The short pulse durations of ultrafast lasers lead to broad wavelength bandwidths, making ultrafast systems especially susceptible to dispersion and pulse broadening.

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Ultrafast Lasers – The Basic Principles of Ultrafast Coherence

Advances in laser technology have made it possible to produce pulses ranging from a few femtoseconds to tens of attoseconds. Learn more at Edmund Optics.

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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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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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UV Optics: Tighter Tolerances and Different Materials

UV Lenses require extremely tight tolerances and novel materials such as sapphire. Learn more at Edmund Optics.

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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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Quantum Cascade Lasers

Quantum cascade lasers (QCLs) are IR lasers that utilize tens or hundreds of quantum wells to decouple the emission wavelength from the bandgap energy.

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Basic Principles of Raman Scattering and Spectroscopy

Raman spectroscopy is a technique used to identify the chemical composition of samples based on how light scatters off of them. Learn more & view related optics

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