CO₂ Laser Optics

Configure nearly any type of CO₂ laser beam transformation or delivery system with these optics.

Absorbing Thin-Film Reflector (ATFR)

Protect a CO₂ laser from back reflections that can cause instability and damage when cutting highly reflective metals with this mirror that acts as an optical isolator.

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Aluminum Variable-Radius Mirrors

Enable faster process head motion in high-power infrared laser cutting and welding systems with these lightweight, aluminum, variable-radius mirrors (VRMs).

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AR-Coated Windows

Transmit infrared light and laser beams with minimal loss and wavefront distortion using these precision, anti-reflection coated, plane parallel windows.

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Aspheric Lenses

Process materials with increased efficiency using the diffraction-limited focused spots achievable with these precision aspheric lenses.

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Band-Selective Resonator Optics

Build efficient CO₂ lasers at wavelengths besides 10.6 µm with band-selective resonator optics that “lock” operation at 9.3 µm, 9.4 µm, 9.6 µm, or 10.2 µm.

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Beam Combiners

Align CO₂ and other infrared laser beam delivery systems with these dichroic beamsplitters that transmit IR and reflect HeNe or visible wavelength diode-laser beams.

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Beam Expanders

Transform the diameter of high-power CO₂ laser beams with these Galilean telescopes (no internal focus) beam expanders, suitable for a wide range of applications.

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Beamsplitters

Get exactly the reflectance and transmittance characteristics you require with custom beamsplitters manufactured to your specifications.

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Biconic & Toroidal Optics

Simplify construction of anamorphic beam expanders or produce elliptically shaped focused spots with these versatile optics.

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Brewster Windows

Obtain polarized laser output or achieve lossless transmission of p-polarized light using these plane parallel windows, designed for operation at Brewster's angle.

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Collimating Optics

Maintain beam collimation between a CO₂ laser and the final focusing optics in a system with our long focal-length lenses and mirrors.

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Cylindrical Mirrors

Form line beams or correct astigmatism in a wide variety of optical systems with these precision cylindrical mirrors.

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Galvo Mirrors

Build high-performance, cost-effective galvanometer scanning systems with these silicon mirrors that combine exceptional thermal stability and high reflectivity.

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Infrared Aspheric Microlenses

Build ultracompact, infrared, camera optical systems for automotive, medical, and life sciences applications with these precision microlenses.

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Long-Working-Distance Off-Axis Parabolas

Get high-quality focused spots and a long working distance – without a complex optical system – using these high-performance mirrors.

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Meniscus Lenses

Get excellent optical performance along with economy using these precision ZnSe meniscus lenses.

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Metal-Coated Mirrors

Get extremely broadband spectral performance, high reflectivity, and low sensitivity to angle-of-incidence and polarization with these high-quality metal mirrors.

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MP-5 Ultralow-Absorption Lenses

Replace the focusing lens in your high-power CO₂ laser cutting or materials processing system with this optic that features ultra-low absorption for maximum lifetime.

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Off-Axis Parabolic Mirrors

Gain flexibility in high-power laser beam delivery with optics that provide diffraction-limited focused spots plus convenient, off-axis, unobstructed beam paths.

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Output Couplers (Partial Reflectors)

Build the laser cavity you require with this selection standard of ZnSe output couplers.

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Plano and Spherical Mirrors

Reflect high-power laser beams within laser resonators and in external beam delivery systems with these durable, stable optics.

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Plano-Convex Lenses

Perform heat treating, welding, cutting, and other tasks where spot size or image quality is not critical with these economical optics.

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Polarizer-Analyzer-Attenuator

Achieve high-extinction ratio polarized infrared laser beams with these "pile-of-plates" type polarizers, available in both air- and water-cooled forms.

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Polygon Scanning Mirrors

Create high-performance scanning systems using prismatic, pyramidal, and irregular polygons scan mirrors, available with metal coatings for IR, NIR, and visible lasers.

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Prisms & Rhombs

Produce quarter-wave, half-wave, or other retardations with broadband sources or multiple wavelengths over 8 - 12 µm.

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Protective Windows

Protect valuable scan lenses and focusing optics in industrial laser systems from debris, backspatter, and other workplace hazards with these plane parallel windows.

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Rear Mirrors for CO₂ Laser Systems

Optimize laser performance with long radius rear resonator mirrors that deliver high reflectivity, as well as some transmission for power monitoring.

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Reflective Beam Integrators

Optimize results in welding, cladding, and heat-treating applications by converting a high-power, Gaussian laser beam into a “flat-top,” intensity distribution focused spot.

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Reflective Phase Retarders

Transform linear to circular polarization with our single reflective component to cut metals with narrower and more consistent kerf using high-power CO₂ lasers.

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Ring-Focus Off-Axis Parabolas

Improve results in CO₂ laser cutting, drilling, and other materials processing tasks with optics that combine the properties of a focusing mirror and an axicon.

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Rooftop Beamsplitters

Improve system productivity in welding and heat-treating applications by splitting a high-power (up to 6.0 kW) CO₂ laser beam in two with these metal rooftop prisms.

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Spatter & Debris Resistant Coatings

Extend the lifetime of optics that require frequent cleaning from exposure to metal spatter and debris in drilling, cutting, and marking applications.

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Thin-Film Polarizers

Split CO₂ laser beams into two orthogonally polarized components using this optic which operates at Brewster's angle. It can also be used to combine beams.

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Variable-Radius Mirrors

Improve CO₂ laser cutting efficiency with this optic that enables dynamic focus depth adjustment and compensation for focal length variations across the working table.

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Water-Cooled Aluminum Mirrors for High-Power Lasers

Water-Cooled Mirrors for High-Power Lasers

Operate reliably at high laser powers with these water-cooled metal mirrors which can be made up to 300 mm in diameter and include various light-weighting features.

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Optical Manufacturing Capabilities

Learn about the vertically integrated capabilities for material growth, fabrication, coating, and assembly, and rigorous QA at Coherent. Discover how these ensure the performance and reliability of our optics and minimize supply chain risks and uncertainties.

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