Materials |
HGTR-KTP crystals | Dimension Tolerance | (W±0.1mm)x(H±0.1mm)x(L+0.5/-0.1mm) |
| Size Range | Aperture:~10x10mm; Length: ~15mm | Clear Aperture | central 90% or the diameter |
| Scattering of Crystals | No visible scattering paths or centers under the inspection of 50mW green laser |
Flatness | less than λ/8 @ 633nm |
| Transmitting Wavefront Distortion | less than λ/8 @ 633nm | Chamfer | ≤0.2mmx45° |
| Chip | ≤0.1mm | Surface Quality | better than 10/5 S/D (MIL-PRF-13830B) |
| Parallelism | ≤20 arc seconds | Perpendicularity | ≤5 arc minutes |
| Angle Tolerance | ≤0.25° | Coating | AR/AR@1064nm+532nm (R<0.2%@1064nm and R<0.5%@532nm) |
| Quality Warranty Period | one year under proper use | ||
Gray track resistance in HGTR KTP (KTiOPO4) Crystals is significantly higher than in flux-produced KTP. In comparison to ordinary KTP crystals which are flux or hydrothermally grown, HGTR KTP crystals are grown from unique modified fluxes and heat treatment, imparting them with immunity to gray track damage, which could be seriously interrupting for high-power applications.
Shanghai North Optics offers the High Gray Track Resistance KTP crystals (HGTR KTP), with no detrimental absorption for high repetition/high power SHG at 1064nm or OPO of 532nm pumped light source. The crystals are optimized for high-power laser systems which require substantially efficient conversion and durability, providing elevated overall performance than regular flux-grown KTP crystals.
Applications:
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