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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

700 - 900nm, 25.4mm Dia., Ultrafast Broadband Laser Mirror

Low GDD Ultrafast Mirrors

Low GDD Ultrafast Mirrors

Stock #62-766
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Surface Quality:
Laser Mirror
Typical Applications:
Ti:Sapphire 1st Harmonic
Parallelism (arcmin):
Clear Aperture (%):
Back Surface:
Commercial Polish
Coating Specification:
Ravg>99.7% @ 700 - 900nm
GDD Specification:
0 ±20fs2 @ 700 - 900nm (s-pol)
0 ±20fs2 @ 740 - 860nm (p-pol)
Wavelength Range (nm):
700 - 900
Surface Flatness:
Coating Type:
Damage Threshold, Pulsed:
0.26 J/cm2 @ 800nm, 100fs FWHM, P-Polarization, 1 pulse (typical)
0.23 J/cm2 @ 800nm, 100fs FWHM, 100Hz, P-Polarization, 1000 pulses (typical)
Ultrafast (700-900nm)
Design Wavelength DWL (nm):
Diameter (mm):
25.40 +0.0/-0.2
Thickness (mm):
6.35 ±0.20
Angle of Incidence (°):
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More

Regulatory Compliance

RoHS 2015:
Reach 205:

Product Family Description

  • Designed with High Reflectivity for Ultrafast Beam Steering
  • Ion-Beam Sputtered Coating for Low Scatter and Absorption
  • GDD as Low as 0±20fs2 at Design Wavelength Range

TECHSPEC® High Performance Low GDD Ultrafast Mirrors are designed to have high reflectivity at 0° or 45° angles of incidence, making them ideal for ultrafast laser beam steering applications. These mirrors have a dispersion compensating coating obtained through a precision ion beam sputtering (IBS) process, providing lower scatter and absorption than traditional dielectric laser mirrors. TECHSPEC High Performance Low GDD Ultrafast Mirrors have a group delay dispersion (GDD) of near zero at their design wavelength range, minimizing dispersion of the reflected beam. Typical applications include use in the transport of femtosecond laser pulses.

Note: Please contact us if your application requires a TECHSPEC High Performance Low GDD Ultrafast Mirror with a custom wavelength, angle, or size.