Enhanced Performance for High-Power Laser Systems

CASTECH's GTR-KTP crystals offer superior gray-track resistance, lower absorption, and higher damage thresholds compared to conventional KTP crystals, making them ideal for high-repetition rate and high-power laser applications.

Key Features:

• Higher Gray-Track Resistance: Significantly reduced gray tracking, ensuring longer-lasting performance.
• Low Bulk Absorption: Only 1/10th of the absorption at 1064 nm compared to conventional KTP.
• High Damage Threshold: Withstands laser conditions up to 1.8 GW/cm² at 1064 nm.
• Superior Transmission: Lower absorption in the 350-550 nm range, enhancing performance in visible and UV regions.
• Large Crystal Sizes: Available up to 7 × 7 × 20 mm³.

Applications:

• High-repetition rate laser systems
• High-power laser applications
• SHG of 1064 nm
• Optical parametric oscillators (OPO)

Product Specifications:

• Dimension Tolerance: (W ± 0.1 mm) × (H ± 0.1 mm) × (L + 0.5/-0.1 mm) for L≥2.5 mm
• Clear Aperture: Central 90% of the diameter
• Internal Quality: No visible scattering paths or centers
• Flatness: ≤λ/8 @ 633 nm
• Wavefront Distortion: ≤λ/8 @ 633 nm
• Surface Quality: 10/5 (Polished) to MIL-PRF-13830B
• Parallelism: 20 arc sec
• Perpendicularity: ≤15 arc min
• Angle Tolerance: ≤0.25°
• Chamfer: ≤0.2 mm × 45°
• Chip: ≤0.1 mm

AR-Coatings:

• Dual Band AR-Coating: R<0.2% @1064 nm, R<0.5% @532 nm
• High Reflectivity Coating: R>99.8% @1064 nm, T>95% @532 nm
• Broad Band AR-Coating: Suitable for OPO applications

Advantages:

• Quick Delivery: 3 weeks for polished only, 4 weeks for coated
• Unbeatable Pricing: Competitive pricing with quantity discounts
• Technical Support: Comprehensive support for customization and application needs
• Customization: Available for specific requirements including coatings and dimensions

CASTECH's GTR-KTP crystals set a new standard in nonlinear optics, providing unmatched reliability and performance for advanced laser systems. Contact us to enhance your laser applications with our high-quality GTR-KTP crystals.