YVO4
Physical and Optical Properties
Transparency Range:...........................................................................400~5000nm
Crystal Structure:...............................................................trigonal, space group R3c
Crystal Class:....................................................................................Positive uniaxial
Crystal Cell:.............................................................................a =b= 7.12Å, c= 6.29Å
Density:.....................................................................................................4.22 g/cm3
Hygroscopic Susceptibility:...................................................................................Low
Mohs Hardness:.......................................................................................................5
Thermal Expansion Coefficients:...........................aa=4.43x10-6/k, ac=11.37x10-6/k
Optical Homogeneity:....................................................................................10-6 /cm
Absorption Coefficient: ...........................................................0.05%/cm-1 @1064nm
Refractive Index, Birefringence(Δn = ne - no) and Walk-Off Angle at 45 deg(ρ):
...............................ne = 2.2154, no = 1.9929,Δn=0.2251,ρ=6.042°@ 633nm
Capabileties
Diameter:............................................................................................max. 30~40mm
Length:...............................................................................................max. 25~35mm
Surface Quality:.............................better than 20/10 scratch/dig(Per MIL-0-13830A)
Beam Deviation:..................................................................................<10 arc second
Optical Axis Orientation:.................................................................................+/-0.2°
Flatness:...............................................................................................<λ/8 @633nm
Transimission Wavfront Distortion:.......................................................<λ/4 @633nm
Coating:..........................................................................................upon specification
