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Laser Mirror
The design goal of femtosecond laser mirrors is to achieve a wide range of operating wavelengths and linear phase variation characteristics with frequ
Product details
The design goal of femtosecond laser mirrors is to achieve a wide range of operating wavelengths and linear phase variation characteristics with frequency (group delay dispersion (GDD)) in femtosecond laser mirrors. A coating is a single layer medium with no phase shift region at the operating wavelength. Mirrors with high reflectivity often have higher reflectivity, and for the same dielectric coating, the working area and pulse distortion of s-polarization are smaller than those of p-polarization.
Our standard mirrors are suitable for basic titanium: sapphire and Yb: KGW or KYW lasers, as well as their second, third, or fourth harmonics.
substrate
material |
UV Grade fused silica or BK7 glass |
S1 Surface Flatness |
633At nm, it is λ/ 10 |
S1 SURFACE QUALITY |
20 –10 scratch &dig(MIL-PRF-13830B) |
S2 SURFACE QUALITY |
polishing |
diameter tolerance |
+0.00mm-0.12 mm |
Tolerance |
±0.25mm |
Wedge |
< 3 min |
fallhorn |
0.3mm at45°typical |
coating
workmanship |
Electron beam multi-layer dielectric or ion beam sputtering |
Adhesion and durability |
conform toMIL-C-675A.Insoluble in laboratory solvents |
Optical aperture |
Exceeding the center diameterof 85% |
coating |
Hard dielectric with high reflectivity R>995％ |
incident angle |
0or45±3° |
Specially designed for average polarization |
R=(Rs+Rp)/2 |
Laser damage threshold |
>100mJ/cm2, 50fsecpulse, 50Hz, 800nmtypical |
Surface flatness of coating |
633 under transparent aperturenλ at m/ 10 |
Low GDD ultrafast reflector
Substrate: BK7 grade A
LOW GDD ULTRAFAST MIRRORS
Substrate: UV grade Fused Silica
Recommended for applications in the UV band of high-energy lasers
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