CO2 Laser Optics:
Reflective Mirrors

Flat Mirrors  |  Curved Mirrors  | MaxR

Application Notes

Both standard and custom items are available
at competitive prices and with short delivery times.

 


 

RELATED PRODUCTS

Infrared filters

Flat Mirrors

Flat mirrors find wide uses in industrial laser systems, as well as medical, scientific and research applications. 

Copper based mirrors in particular provide a rugged and durable mirror with good reflectivity across a broad spectrum of the infrared. Our electroplated gold coating offers good reflectivity and high damage resistance. They are widely used in CO2 laser beam delivery where their massive power handling ability gives a long working life. Our mirrors are fitted to a 40KW welding laser. For standard specifications click here 

Aluminium mirrors are lightweight, and ideal for scanning applications. 

Silicon mirrors are always used with a coating, such as Max R, phase retarder, and are suitable for many infra red wavelengths. Although lightweight and stable they have lower laser damage resistance compared to all metal mirrors. 

Molybdenum mirrors offer a very hard, scratch resistant, mirror surface. 

Unique manufacturing methods allow cost effective supply of prototypes and small numbers of parts without tooling or set up charges. 

  • Money and time can be saved by having mirrors designed with locating flanges, mounting holes and even water cooling built in. 
  • Mirrors from most metals, metal alloys, and some non metal such as silicon are routinely manufactured.  
  • Mirrors from 6mm to 150mm diameter are available, as well as square, rectangular, and other custom shapes. 
  • Repair and refurbishing of used mirrors to their original specification is also available, which can offer considerable savings.

Curved Mirrors

Spherically curved mirrors are commonly used in laser cavities  and in laser beam expanders for high power lasers. 

  • A large range of concave and convex mirrors with radius of curvature from 5mm to 100 meters are available.
  • Spherical mirrors can often be used in careful combination to give diffraction limited results.
  • Several designs for focus systems based on spherical mirrors are available.

Cylindrical mirrors are used for correcting astigmatic beams from slab discharge lasers and laser diodes. A range of cylindrical curvatures are available. 

Curved mirrors with through holes are useful in Raman spectroscopy and multi-pass cells. Surface form is maintained over the entire surface.

Using spherical mirrors in carefully optimized designs can offer large savings over aspheric optics. 

  • A range of parabolic, elliptical and hyperbolic mirror surfaces are available for applications requiring an aspheric mirror. 

Curved mirrors are available from a wide range of materials and with various coatings.

Max R

Uncoated metals such as copper and gold have excellent broad reflectivity in the infrared, as well as useful reflectivity in the visible, but  there are occasions when even tiny losses are a problem (such as in laser cavities), and an enhanced coating is needed. 

A series of thin film high and low refractive index materials are deposited onto the mirror in a vacuum chamber. This can boost the reflectivity at the specified wavelength to greater than 99.9%. 

Such high reflectivities need sophisticated calorimetric measurement to ensure specifications are met. 

Laser Beam Products offers enhanced metal reflectors for standard wavelengths such as 10.6 microns. 

  • Other coating properties such as those with polarization sensitivity or dual wavelength operation are possible.

MaxR coating offers excellent resistance to the darkening effect of UV radiation in laser discharges. 

MaxR coating is available on either copper or silicon substrate mirrors. 

Water cooling is recommended for resonator mirrors and copper is the material of choice.


Application Notes (PDFs):

Copper Mirrors vs. ZnSe Lenses for High Power Lasers

Applications: CO2 lasers, Cut/Weld, Pulsed Laser, ER:YAG, Infrared

Assemblies: Collimation, Focus Units, Polarization, Beam Control

Quality: Interferometry, Polishing,  Calorimetry, Laser Damage

Technical: Choosing mirrors, laser damage, specifications, cleaning mirrors, surface quality 

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ELECTRO OPTICAL COMPONENTS, Inc.

Laser Beam Products is one of the leading European manufacturers of high quality mirrors for high power CO2 laser applications. They are distributed exclusively in North America by ELECTRO OPTICAL COMPONENTS, Inc.

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ELECTRO OPTICAL COMPONENTS, Inc. is the exclusive North American  distributor for FEMTO, InfraTec, IFW, Laser Beam Products, LEYSOP, NOC, Frankfurt Laser Co., IMM Photonics GmbH, INTEX, SDS (Systems Development & Solutions), UralAlmazInvest, and Oehler & Fischer AG. EOC is also a distributor for Dexter Research.