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High-Performance RTP Crystal: Superior Q-Switch

Featured Product from CRYSTECH, Inc.

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RTP Crystal: The Premier Choice for Q-Switches

After years of research and development, CRYSTECH has made significant advances in RTP crystal growth technology. We offer high-quality RTP crystals available for individual purchase or matched pairs.


  • Q-Switch: Used in laser ranging, laser radar, medical lasers, and industrial lasers.
  • Laser Power/Phase Modulation
  • Pulse Picker


  • Excellent crystal for electro-optical applications at high repetition rates
  • Large nonlinear optical and electro-optical coefficients
  • Low half-wave voltage
  • No piezoelectric ringing
  • High damage threshold
  • High extinction ratio
  • Non-hygroscopic

Product Specifications:

  • Dimension Tolerance: W(+/-0.1) * H(+/-0.1) * L(+0.5/-0.1) mm
  • Angle Tolerance: +/-0.15°
  • Parallelism: ≤5″
  • Flatness: λ/10@633nm
  • Damage Threshold: 600MW/cm² 10ns 10Hz at 1064nm

Physical and Optical Properties:

  • Crystal Structure: Orthorhombic
  • Density: 3.6 g/cm3
  • Melting Point: ~1000?C
  • Thermal Expansion Coefficients: αx=1.01x10-5, αy=1.37x10-5, αz=-4.17x10-6
  • Dielectric Constant: Eeff=13.0
  • Thermo-optical Coefficients: -0.029 nm / °C
  • Electro-optic Constants: Y-cut: r51=38.5 pm/V X-cut: r33=35 pm/V, r23=12.5 pm/V, r13=10.6 pm/V
  • Nonlinear Coefficients: d15=2.0 pm/V; d24=3.6 pm/V; d31=2.0 pm/V d32=3.6 pm/V; d33=8.3 pm/V

CRYSTECH's RTP crystal is your reliable choice for Q-switch technology, offering outstanding performance and stability to unlock new possibilities for your applications.