RTP Q-Switch(Rubidium Titanyle Phosphate–RbTiOPO4)

Featured Product from CRYSTECH, Inc.

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RTP (Rubidium Titanyle Phosphate – RbTiOPO4) is an isomorph of KTP crystal which is used in nonlinear and Electro Optical applications.  Through years of research and development, CRYSTECH has achieved great advances in growing techniques of RTP crystals.  We are able to provide excellent RTP crystals both in matched pairs or single crystals.


  • Q-switch (Laser Ranging, Laser Radar, medical laser, Industrial Laser)
  • Laser power/phase modulation
  • Pulse Picker


  • An excellent crystal for Electro Optical applications at high repetition rate
  • Large nonlinear optical and electro-optical coefficients
  • Low half-wave voltage
  • No Piezoelectric Ringing
  • high damage threshold;
  • High Extinction Ratio
  • Non-hygroscopic
Dimension Tolerance W(+/-0.1) * H(+/-0.1) * L(+0.5/-0.1) mm
Angle Tolerance +/-0.15° Perpendicularity ≤10′
Scratch / Dig 20/10 Chamfer ≤0.2mmx45°
Parallelism ≤5″ Chip ≤0.1mm
Flatness λ/10@633nm CA ≥90%
TWD λ/6@633nm Electrode Ti  or  Au
Extinction Ratio >20dB    
Coating AR@1064nm(R<0.2%),  or customized upon request
Damage Threshold 600MW/cm² 10ns 10Hz at 1064nm
Type Size of Single Crystal(mm) Length of Holder(mm) Half-wave voltage(V)
QR2205A 2X2X5 12 1600V
QR3305A 3X3X5 14 2400V
QR4405A 4X4X5 14 3200V
QR4410A 4X4X10 25 1600V
QR6605A 6X6X5 14 4800V
QR6610A 6X6X10 25 2400V
QR8805A 8X8X5 14 6400V
QR8810A 8X8X10 25 3200V
QR1005A 10X10X5 14 8000V