Copyright©2018 青岛海泰光电技术有限公司 All Rights Reserved  网站建设:中企动力青岛 鲁ICP备10008012号-1 

Copyright©2018 Crystech. All Rights Reserved  Technical Powered by 鲁ICP备10008012号-1 


RTP (Rubidium Titanyle Phosphate – RbTiOPO4) is an isomorph of KTP crystal which is used in nonlinear and Electro Optical applications.
● 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


Physical and Optical Properties    

Crystal structure Orthorhombic
Cell Parameters a = 12.96 Å; b =10.56 Å; c =6.49 Å
Mohs hardness 5
Density, g/cm3 3.6
Melting Point: ~ 1000˚C
Ferroeletric transition temp. ~ 810°C
Color Colorless
Thermal Expansion Coefficients (/K)  αx=1.01x10-5, αy =1.37x10-5, αz =-4.17x10-6
Dielectric Constant Eeff= 13.0
Thermo-optical coefficients (dλ/dT) -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
Electrical Resistivity around 1011-1012ohm·cm
Hygroscopic no
Static Half Wave Voltage at 1064 nm   4x4x20 mm: 1,600 V 6x6x20 mm: 2,400 V
Transmitting range: 350~4500 nm
Sellmeier equations(λ in um) nx2=2.15559 + 0.93307[1-(0.20994/λ)2] - 0.01452λ2
ny2=2.38494 + 0.73603[1-(0.23891/λ)2] - 0.01583 λ2
nz2=2.27723 + 1.11030[1-(0.23454/λ)2] - 0.01995λ2