Technical Parameter

  Rutile(TiO2)crystal has large birefringence and refractive index, is an ideal material for spectral prisms and polarization devices (e. g., optical isolators and beam splitter). Rutile (TiO2) crystal has better physicochemical stability than YVO4.

    

Main performance parameters

Crystal structure

Tetragonal

Growth method

Optical floating zone method

Lattice constant

a=4.5936Å    c=2.9582 Å

Density

4.26(g/cm3)

Mohs hardness

7(mohs)

Thermal capacity

0.17(25℃)

Transmission range

0.5~4.5um

Refractivity

no=2.47 ne=2.73 @ λ=1.3μm

Dielectric constant

~180 // <001>;   ~90 ⊥<001>

Thermo-optical coeffecient

dη/dT:a:-0.72×10­6/k ; c:-0.42×10-6/k

Thermal expansivity

a:7.14×10­-6 /K;c:9.19×10-­6/K

Boule dimension

Φ17×80mm

Orientation

<100>;<110>; <001>;<111>

Orientation tolerance

±0.5°

Dimension

5×5mm、5×10mm、10×10mm

Dimension tolerance

±0.05mm

Processing parameters for prisms

Parallelism

<30″

Flatness

<λ/4

S/D

20/10

Polishing

One side or two sides

Packing

Class 100 clean bag, Class 1000 clean room

 

Accessories Details: