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  • Nd-YAG-Laser-Output-Coupler

Nd: YAG Laser Output Coupler With High Damage Threshold

Mirrors are an important part of optical applications. They are commonly used to fold or compact an optical system. Standard and precision flat mirrors feature metallic coatings and are good all-purpose mirrors that come in a variety of substrates, sizes and surface accuracies. They are a great choice for research applications and OEM integration. Laser mirrors are optimized to specific wavelengths and use dielectric coatings on precision substrates. Laser mirrors feature maximized reflection at the design wavelength as well as high damage thresholds. Focusing mirrors and a wide variety of specialty mirrors are available for customized solutions.

Paralight Optics’ Laser Line dielectric mirrors fabricated with specialized coatings that offer high damage thresholds, making them well suited for use with a range of high-powered CW or pulsed laser sources. Our laser line mirrors are designed to withstand the high-intensity beams typically produced by Nd:YAG, Ar-Ion, Kr-Ion, and CO2 lasers.

Paralight Optics offers Nd: YAG Laser Output Couplers with dielectric coatings optimized for T 2%, 5%, 10%, 15%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, and 95%, please check the following graphs for your references.

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Features:

Material Compliant:

RoHS Compliant

Transmission/Reflectance Options:

T 2%, 5%, 10%, 15%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, and 95%

Optical Performance:

Optimized for specific wavelength

Laser Damage Threshold:

Providing High Damage Threshold

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Common Specifications:

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Note: A fine ground back surface is frosted and will diffuse light that is not reflected by the mirror’s front surface.

Parameters

Ranges & Tolerances

  • Substrate Material

    N-BK7 (CDGM H-K9L)

  • Type

    Nd: YAG Laser Output Coupler

  • Size

    Custom-made

  • Size Tolerance

    +0.00/-0.20mm

  • Thickness Tolerance

    +/-0.2 mm

  • Parallelism

    Protective < 0.5mm x 45°

  • Surface Quality (scratch-dig)

    60-40

  • Surface Flatness @ 632.8 nm

    < λ/8

  • Clear Aperture

    >90%

  • Coatings

    S1: partial reflective coating at 0° AOL, S2: AR coating at 0° AOL

  • Laser Damage Threshold

    5 J/cm2 (20 ns, 20 Hz, @1.064 μm)

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Graphs

These plots show that each sample of our four dielectric coatings for the different spectral ranges is highly reflective. Due to variations in each run, this recommended spectral range is narrower than the actual range over which the optic will be highly reflective. For applications that require a mirror which bridges the spectral range between two dielectric coatings, please consider a metallic mirror.

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Plot for Tavg 2% 1064 nm Nd: YAG Laser Output Coupler at 0° AOL

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Plot for HR 532 nm HT 1064 nm Dichroic Mirror at 0° AOL

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Plot for Tavg 15% 1064 nm Nd: YAG Laser Output Coupler at 0° AOL

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