WELCOME TO CRYSTECH INC.

RTP Pockels Cell

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

Affiliate classification

Q-Switch

E-mail us

Product description

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.

APPLICATION:

● Q-switch (Laser Ranging, Laser Radar, medical laser, Industrial Laser)

● Laser power/phase modulation

● Pulse Picker

ADVANTAGE:

● 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
Absorption coefficient:	< 0.05 % / cm @ 1064 nm < 4 % /cm @ 532 nm