LiTaO3(LT)

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LiTaO3 crystals, also known as lithium tantalate crystals, or LT crystals for short, are electro-optical crystals with excellent overall performance.

LiTaO3 crystals have the following advantages: 

  • High optical damage threshold
  • Low birefringence
  • Transmission bandwidth
  • High optical transmittance
  • High sensitivity
  • Wide transparency range
  • Large electro-optical coefficient
  • No easy deliquescence
  • Stable chemical and physical properties

They are used in optical storage, transient recording, high-speed holographic cameras, and other fields. It has many applications in related fields, such as optical storage, transient recording, high-speed holographic cameras, etc. 

With the increasing Li/Ta in LT crystals, its physical properties are also improved to different degrees, which is conducive to improving the performance of various functional devices and making them used in many important fields such as laser TV, laser ranging, radar, infrared military countermeasures, medical treatment, and atmospheric environment monitoring. It is likely to open up new application fields.

FEATURES SPECTRA
  • High sensitivity
  • Wide range of transparency
  • Large electro-optical coefficient
  • Not susceptible to deliquescence
  • High optical damage threshold
  • Stable chemical and physical properties
  • Optical Storage
  • Transient recording
  • High-speed holographic camera

Crystal Properties

Crystal StructureTriangle, Space Group R3c, Point Group 3m
Crystal Cell Parametersa=5.154Å,c=13.781Å
Melting Point1650℃
Curie Temperature607℃
Mohs Hardness～5.5
Density7.46g/cm3
Dielectric Constantea=54 ec=43(@100KH)
Transmission Range400-4500nm
Electro-optic Coefficientr33=30.4pm/V
Refractive Index at 632.8nmno=2.176,ne=2.180
Nonlinear Optical Coefficient（P/m/V @1064nm)d22=2.0
d31=-1
d33=-21
Pyroelectric Coefficient～2.3 ×10-4C/℃/m2
Optical Uniformity～10-5
Absorption loss<0.15%/cm

Spectrum

LiTaO3 Electro-optic crystal spectrum crylink
LiTaO3 Raman Spectroscopy

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