RTP电光开关

分类：电光开关

产品描述

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