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Low GDD Ultrafast Mirrors

Low Group Delay Dispersion (GDD) Ultrafast Mirrors are used to reflect ultrafast beams without adding any temporal dispersion to the laser pulse. These mirrors feature dielectric coatings optimized to provide high reflectivity with minimized GDD around a narrow bandwidth centered at their design wavelength. They are generally designed with either a 0 or 45° angle of incidence for use in ultrafast beam steering applications. Compared to ultrafast silver coated mirrors, Low GDD Mirrors provide higher reflectance and higher damage thresholds, making them better suited for high power femtosecond lasers.

Edmund Optics has an expanding range of Low GDD Mirrors designed for Ti:sapphire and Yb:doped fiber laser harmonics. Our Low GDD Mirrors are coated through an ion-beam sputtered (IBS) coating process, ensuring high coating uniformity and durability, in addition to low scatter and absorption. Please contact us if your application requires a Low GDD Mirror with a custom wavelength, size, or other property.


Ultrafast Broadband Laser Mirrors
  • >99% Reflectivity
  • High Performance over 70-140nm Wavelength Ranges
  • Cost-Competitive Solutions with <40 fs2 GDD @ CWL
  • Ultrafast Laser Line Mirrors Also Available

Ultrafast Laser Line Mirrors
  • Greater than 99% Reflectivity
  • 266nm - 1550nm Options Available
  • Low Group Delay Dispersion (GDD)
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
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Low GDD Ultrafast Mirrors
  • Designed with High Reflectivity for Ultrafast Beam Steering
  • Ion-Beam Sputtered Coating for Low Scatter and Absorption
  • GDD of 0±10fs2 at Design Wavelength Range

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