Gires-Tournois Interferometer(GTI) mirrors
Gires-Tournois Interferometer(GTI) mirrors

Gires-Tournois Interferometer(GTI) mirrors

2020-03-17 15:42:06   11

Do you aim for performance optimization of your Ti:Sapphire, Yb:KGW, Yb:KYW or other femtosecond laser? OPTOMAN has a solution - GTI mirror. GTI mirror is a kind of dielectric dispersive mirror with a spatial variation of the layer thickness values. Such mirrors are used for dispersion compensation in mode-locked lasers, for example. OPTOMAN will design GTI mirrors featuring broadband behaviour with GDD down to -2000 fs2 per bounce for your femtosecond laser system.

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Specifications:
Absolute reflectance Rs>99.95% and Rp>99.95%.Absolute reflectance of GTI mirrors goes above 99.95% for the most demanding applications.
Highly Negative Group Delay Dispersion (GDD). GTI Mirrors can be designed for any specific GDD requirement from slightly negative (-20 fs2) down to -2000 fs2.
Wide spectral bandwidth. In compromise to required reflectance and GDD values, broadband GTI Mirrors are feasible, as for example HR>99.8% at 760 - 840 nm with GDD=-200 fs2.
High Laser Damage Threshold. GTI mirrors are optimized for high resistance to laser irradiance with LIDT of >200 mJ/cm2 at 50 fs, 1030 nm.
Customization:
Negative group delay dispersion down to -2000fs2.
Mirrors with predefined and flat GDD.
Spectral range from 200nm to 6000nm.
Diameter from 5mm to 101.6mm.
Coatings on substrates with positive or negative curvature.


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