RTP (磷酸钛氧铷)

RTP (磷酸钛氧铷)


RTP(磷酸钛氧铷)因其良好的电学与光学性能,非常适合用做电光器件,如激光Q开关、快门、相位和振幅调制器、脉冲选择器,腔倒空器和偏转器。莱普提供的RTP晶体Q开关,采用双晶体结构,两块晶体光轴彼此垂直,可以自动补偿环境温度变化,是一种无需温控的激光器件。

优点

High Damage Threshold
No Piezoelectric Ringing
Low Insertion Loss
Thermal Compensating Design
Non-hygroscopic
High Extinction and Contrast Ratio
 

 

 

基本特性

Crystal structure  Orthorhombic 
Cell Parameters  a = 12.96 Å; b =10.56 Å; c =6.49 Å 
Mohs hardness  About 5 
Density  3.6g/cm3 
Melting Point  About 1000˚C 
Thermal Expansion Coefficients  αx=1.01x10-5, αy =1.37x10-5 
αz=-4.17x10-6 
Sellmeier equations  nx2=2.15559 + 0.93307[1-(0.20994/λ)2] - 0.01452λ2
ny2=2.38494 + 0.73603[1-(0.23891/λ)2] - 0.01583λ2
nz2=2.27723 + 1.11030[1-(0.23454/λ)2] - 0.01995λ2 
Thermo-optical coefficients (dλ/dT)  -0.029 nm /˚C
Electro-optic constants (Y-cut) r33=38.5 pm/V
                                      (X-cut)  r33=35 pm/V,r23=12.5 pm/V, r13=10.6 pm/V 
Electrical Resistivity  About 1011-1012 Ω·cm
Static Half Wave Voltage at 1064 nm 4x4x20 mm: 1,600V
  6x6x20 mm: 2,400V
  9x9x20 mm: 3,600V 
Contrast Ratio  >20dB@633nm 

加工能力

常规精度等级
晶向 Along Y-axis 
长度公差 +0.5 / -0.1mm
宽度和高度公差 ±0.1 mm
平行度 <30 arc seconds
垂直度 <15 arc minutes
表面光洁度 S/D 20-10
镀膜 AR coated