CO2 Laser Mirror For Laser Resonator

CO2 laser mirror is one of the laser mirrors that are specialized and used in carbon dioxide laser resonators and beam delivery systems. They have coatings and substrates designed to withstand and adequately reflect the 10.6 μm wavelength light emitted by CO2 lasers. Other laser mirrors include total reflectors, partial reflectors, high reflectors, high reflectors, band pass mirrors, selective polarization mirrors, phase retarder mirrors, tunable mirrors, ultrafast mirrors, excimer laser mirrors, and diode laser mirrors.

 

Our company specializes in producing the highest quality mirrors for industrial CO2 lasers. For over 20 years, we have pioneered innovative coatings and manufacturing processes that enable CO2 lasers to achieve maximum power, precision, and performance. The resonator mirrors are at the core of any CO2 laser system - the total reflectors and output couplers. Using the most advanced dielectric coatings, our full glasses guarantee 99.5%+ reflectivity at the 10.6 μm wavelength of CO2 lasers. These coatings are deposited on thermally and mechanically stable substrates like copper and silver, allowing our total reflectors to withstand power densities up to 50 kW CW without damage or breakdown. For extracting the laser emission, our output couplers offer reflectivities from 95% to 99.5% at 10.6 μm so you can achieve any power output needed for your processing applications.

 

We guarantee that every mirror we produce will unleash the full potential of your laser. Please contact us to learn how our state-of-the-art mirrors can transform the performance of your CO2 laser technology.

 

Features

- High reflectivity

- Damage threshold

- Wavelength specificity

- Thermal stability

- Environmental stability

- RoHS, ISO9001 certified

 

Parameters

Product name	CO2 laser mirror
Wavelength range	1064nm
Substrate	UV fused silica or custom
Reflectivity at the lasing wavelength	≥95-99.9%
Surface flatness	λ/10 PV (λ/20 RMS)
Surface quality	40/20 or better
Coating uniformity	>95% of clear aperture
Coating	Aluminum or custom
Diameter tolerance	+/-0.1mm

 

Spectrum Reflectivity Curve

 

Applications

Laser mirrors can manipulate coherent light within a laser resonator and shape its output. Along with lenses and other optics, they give laser engineers precise control over beam direction, dimensions, pulse timing, energy, and wavelength. Laser mirrors enable lasers to be useful for applications like materials processing, spectroscopy, medicine, research, and entertainment lighting. Some critical applications include:

- Laser resonators

- Beam steering

- Beam shaping

- Optical pumping

- Q-switching

- Laser pulse amplification

- Cavity dumping

- Model locking

 

Can a mirror reflect a laser?

Mirrors can reflect laser light. Mirrors are commonly used in laser systems and optical setups like CO2 laser mirrors. Some key points about reflecting lasers with mirrors:

 

• The mirror must have high reflectance for the specific wavelength of the laser. For visible laser wavelengths, silvered glass mirrors are often used. For infrared lasers, unique IR-reflective mirrors are required. The reflectance should be 95-99% or higher for most laser applications.

 

• The mirror surface must be flat and smooth to avoid distorting the laser beam wavefront. Surface irregularities and imperfections can scatter the laser light, reducing intensity and quality. Lasers often require precision-polished mirrors.

 

• For high-power lasers, the mirror must withstand high-intensity light without damage or significant absorption. This usually requires a coating suitable for high energy densities and a substrate material with a high damage threshold.

 

• The mirror mount must be stable and minimize vibration that could disturb the laser beam. Any mirror movement needs to be precisely controllable. For some laser setups, vibration isolation platforms are used.

 

• The mirror may require optical coatings other than simple reflectance if more complex manipulation of the laser beam is needed. For example, dichroic mirrors can reflect one wavelength while transmitting another, and phase plates or spatial light modulators placed at the mirror location can structure the laser beam.

 

• Multiple mirrors are often used together with precision optics to steer and control laser beams for various applications. Mirror mounts allow adjustment of mirror orientation by small increments using positioning knobs and readout scales.

 

• The law of reflection must be followed, with the angle of incidence equaling the angle of reflection for the mirror. Mirror orientation directs the laser beam to the intended path.

 

• Curved mirrors can also focus or collimate laser beams, not just redirect them. The radius of curvature depends on the laser wavelength and desired focal length.

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