Focus Lenses

 Lasertec fabricates high precision spherical lenses for applications in the 193 nm to 12 µm spectral range.  Our substrate materials include sapphire, optical glasses, fused silica, Si, Ge, ZnSe, ZnS, CaF2, MgF2.  Every aspect of the lens production process, from surface generation through final coating, is conducted using carefully controlled, leading-edge process technologies, enabling us to minimize subsurface damage and maintain pristine optical surfaces throughout the entire process.   LASERSTEC use our super polished substrates and IBS coating to supply a series Lenses as Focus Lenses, Cavity Mirrors, OC mirrors and Expender system. Our high-energy Nd:YAG laser lenses are manufactured using high purity fused silica substrates and dielectric coatings by IBS technology. These lens have been specifically designed to withstand high-energy pulses and have a high damage threshold.



Medical Laser system
Industrial Q-Switch Laser system
Laser cutting
Laser welding
Specification of Lenses
CaF2, UVFS, Corning7980, BK7,YAG etc
Surface Flatness  
≤λ/10 at 632.8 nm
Clear Aperture
≥central 85% of diameter
Surface Quality
10-5 scratch-dig per MIL-PRF-13830B
Diameter Tolerance
+0/-0.1 mm
Thickness Tolerance
±0.1 mm
≤1 arc min
Centering error
≤3 arc min
Radius range
Damage Threshold
1064 nm: 20 J/cm2 with 10 ns pulses, typical
532 nm: 5 J/cm2 with 10 ns pulses, typical