High-Purity RTP Crystals

Featured Product from CASTECH, Inc.

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Rubidium Titanyl Phosphate (RTP) crystals are engineered for demanding nonlinear optics and electro-optic systems, delivering exceptional thermal and electrical stability and superior resistance to laser damage. These crystals provide stable performance at high frequencies without piezoelectric ringing, ensuring signal integrity and minimizing operational noise. With precise optical quality and customizable options, RTP crystals help engineers maintain optimal alignment and enhance system efficiency in high-power laser environments. Ideal for frequency conversion, electro-optical modulators, and Q-switches, they support reliable long-term operation in research and industrial platforms.

  • High Laser Damage Threshold: Approximately 1.8× higher than KTP, suitable for high-intensity laser use.

  • Broad Spectral Transmission: Covers 350 nm to 4500 nm, supporting visible and infrared light.

  • No Piezoelectric Ringing: Stable operation up to 60 kHz without vibration distortions.

  • Thermal & Electrical Stability: High resistivity (10¹¹–10¹² Ω·cm) and low thermal expansion preserve optical alignment.

  • Precision Optical Quality: Surface quality 20/10 scratch/dig (MIL-PRF-13830B), flatness λ/6 @ 633 nm.

  • Customizable: Available with AR coatings, varied sizes, and orientations.

Applications:
Frequency conversion, optical parametric oscillators, electro-optical modulators, Q-switches, and high-speed industrial/scientific laser systems.