KRS-6 monocrystals (TlCl-TlBr)
Application:
Optical elements for devices used in infrared technology, acoustooptics, laser technology, billets for optical fibers production.
Optical properties:
Transmission band, mcm | 0,42 - 40 |
Spectral transmission coefficient,% | |
at wave length of 0,63 mcm | 65 |
at wave length of 2 - 25 mcm | 72 |
Refractive index in wave length range of 0,63 - 10,6 mcm | 2,33 - 2,17 |
Optical homogeneity at wave length of 0,63 mcm | 5 ·10-4 |
Coefficient of laser emission volumetric absorption at wave length of 5-6 and 10,6 mcm, cm-1 | 1÷5 ·10-4 |
Physical properties:
Density (20 -25оС), g/cm3 | 7,192 |
Melting temperature, оС | 424 |
Coefficient of thermal expansion (-50 - +100 оС), 106 degree-1 | 53 |
Heat resistance,оС | 300 |
Knupp microhardness, kg/mm2 | 30 |
Chemical properties:
Composition, mass.% | |
TlCl | 33 |
TlBr | 67 |
Solubility, g/l | 3,2 |
Size of delivered samples:
Diameter, мм | 5-150 |
Thickness, мм | 1-1000 |
Delivery capabilities:
In the form of boules, kg per month | 10-20 |
In the form of ground windows, pieces per month | 500 |
In the form of polished windows, pieces per month | 100 |
Note:
Crystals are grown from TlСl and TlBr high purity salts by Stockbarger method in ampoules made of heat-resistant glass having diameter up to 50 mm, height up to 150 mm.
KRS-6 monocrystal transmission spectrum
