- 首頁
- 產品
- 釩酸釔(YVO4)
釩酸釔(YVO4)
釩酸釔(YVO4)單晶是一種具有優(yōu)良物理光學性能的雙折射晶體材料。該晶體透光范圍寬，透過率高、雙折射系數大、并易于加工。因此，YVO4晶體被廣泛應用于光纖通信領域，是光通信無源器件如光隔離器、旋光器、延遲器、偏振器中的關鍵材料。
Specifications:
|
Diameter:
|
Max 25m
|
|
Length:
|
Max 35mm
|
|
Surface Quality:
|
better than 20/10 scratch/dig
|
|
Beam Deviation:
|
< 3 arc min
|
|
Optical Axis Orientation:
|
+/-0.2deg
|
|
Flatness:
|
<λ/4 @632.8nm
|
|
Wavefront Distortion:
|
<λ/2 @632.8nm
|
|
Coating:
|
Coating upon Request
|
Properties:
|
Transmitting range
|
400~5000nm
|
|
Crystal Symmetry
|
Zircon tetragonal, space group D4h
|
|
Crystal Cell
|
a=b=7.12 °, c=6.29 °
|
|
Density
|
4.22 g/cm2
|
|
Hygroscopic Susceptibility
|
Non-hygroscopic
|
|
Mohs Hardness
|
5 glass like
|
|
Thermal Optical Coefficient
|
Δna /dT=8.5x10-6 /K; dnc /dT=3.0x10-6 /K
|
|
Thermal Conductivity Coefficient
|
||C: 5.23 w/m/k; ⊥C:5.10w/m/k
|
|
Crystal Class
|
Positive uniaxial with no=na=nb, ne=nc
|
|
Refractive Indices,
|
no=1.9929, ne=2.2154, △n=0.2225, ρ=6.04°, at 630nm
|
|
Birefringence(△n=ne-no)
|
no=1.9500, ne=2.1554, △n=0.2054, ρ=5.72°, at 1300nm
|
|
and Walk-Off Angle at 45 deg(ρ)
|
no=1.9447, ne=2.1486, Dn=0.2039, ρ=5.69°, at 1550nm
|
|
Sellmeier Equation ( l in μm)
|
no2 =3.77834+0.069736/( λ2 -0.04724)-0.0108133 λ2
ne2 =4.5905+0.110534/( λ2 -0.04813)-0.0122676 λ2 |
Note: Kinds of sizes, cut angle, coating are available upon request.
