Laser Optics
Mirrors, windows, prisms, and scanning optics engineered for laser systems. Whether you are building a CO2 cutter, fiber laser marker, or solid-state research setup, the right optics make the difference.
Galvo Scanning Mirrors
High-speed galvanometer mirrors for laser marking, engraving, and scanning systems. Available in protected silver, gold, and dielectric coatings.
- ● Protected silver or gold coatings
- ● Apertures from 5mm to 30mm
- ● Speed to 40 kpps at 8 degrees
CO2 Laser Mirrors
Silicon and copper mirrors with high-reflectivity coatings optimized for 10.6um CO2 laser wavelength. Essential for beam delivery in cutting and engraving systems.
- ● Silicon or copper substrates
- ● >99.5% reflectivity at 10.6um
- ● 20mm, 25mm, and 30mm diameters
Laser Windows
Protective windows and output couplers for fiber, CO2, and solid-state lasers. ZnSe, fused silica, and BK7 substrates with AR coatings.
- ● ZnSe for CO2 (8-12um)
- ● Fused silica for UV-NIR
- ● AR coated both sides
Thin Film Polarizers
High extinction ratio polarizers for laser intracavity use, pulse picking, and isolation. Available as plates and cubes.
- ● Extinction ratios >1000:1
- ● Broadband or laser-line optimized
- ● High damage threshold options
Laser Prisms
Right angle, penta, and wedge prisms for beam steering and alignment in laser systems. Precision polished with AR or HR coatings.
- ● BK7, fused silica, CaF2 substrates
- ● Surface quality to 10-5 S/D
- ● AR coated for specific wavelengths
Scanning Mirrors
Flat and curved scanning mirrors for polygon scanners, resonant scanners, and MEMS devices. Low mass and high surface quality.
- ● Low mass substrates
- ● Surface flatness to lambda/10
- ● Custom shapes available
Laser Mirror Coating Comparison
| Product | Wavelength | Reflectivity | Damage Threshold | Best For | |
|---|---|---|---|---|---|
| Protected Silver Mirror | 450nm - 20um | >97.5% | 0.3 J/cm2 | Broadband, low power | |
| Protected Gold Mirror | 800nm - 20um | >99% | 0.5 J/cm2 | IR applications | |
| Dielectric HR Mirror | Specific band | >99.9% | 5+ J/cm2 | High power, intracavity | |
| Silicon CO2 Mirror | 10.6um | >99.5% | 10 J/cm2 | CO2 laser systems |
How to Choose Laser Optics
Selecting the right laser optics starts with your wavelength. CO2 lasers at 10.6um need ZnSe or silicon substrates -- standard glass is opaque at those wavelengths. Fiber lasers at 1064nm work well with fused silica or BK7 glass. Ultrafast lasers demand low-dispersion substrates and coatings with high damage thresholds.
Coating type matters. Metallic coatings (gold, silver, aluminum) offer broadband reflectivity but lower damage thresholds. Dielectric multilayer coatings give you >99.9% reflectivity at specific wavelengths with much higher damage thresholds -- critical for intracavity optics and high-power beam delivery.
Surface quality is specified as scratch-dig (S/D). For most laser applications, 40-20 or better is standard. Intracavity optics and high-power systems may require 10-5. Surface flatness, measured in fractions of a wavelength (lambda/4, lambda/10), directly affects beam quality.
For scanning applications, mirror mass and moment of inertia are critical. Lighter mirrors enable faster scanning speeds. Galvanometer mirrors are typically beryllium, silicon, or thin glass with optimized coatings for the operating wavelength.
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