Optics
Dispersive Mirrors
Use these mirrors with dispersion-optimized coatings as key elements to control the intensity and phase of femtosecond lasers and systems over specific wavelength ranges.
Coherent is a leader in ultrafast laser technologies. We offer a full range of optics to manage group delay (GD) and group delay dispersion (GDD) at wavelengths from 350 nm to 3000 nm. These include chirped mirrors, dispersion compensation mirrors, and more.
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Dispersive Mirrors – Typical Specifications Overview
Use these mirrors to enable Visible Lasers, Chirped Pulse Amplification (CPA), Optical Parametric Oscillators (OPOs), and Optical Parametric Amplifiers (OPAs)
| Mirror Type | Typical Performance Features |
Low GDD Mirrors |
Very high Reflectivity (>99.95%) Metal-based or all-dielectric |GDD| < 20 fs2 |
Gires-Tournois Interferometer (GTI) Mirrors |
Low Dispersion to High Dispersion Flat GDD Curve in Target Region Very high Reflectivity |
Chirped Mirrors and Matched Pairs |
Wavelength Range Supported: 600-1400 nm Bandwidths from 100 nm to 650 nm Matched Pairs Ensure Low GDD Oscillations |
Custom Dispersion and Reflectivity |
Output Couplers, Beamsplitters, Thin Film Polarizers, and Broadband Edge Filters. |
