ShangyuYVO ₄
Category:
ShangyuDouble refracting crystal
Product Description
| Transmission range |
500~4000nm |
350~2300nm |
190~3500nm |
| Crystal structure |
Trigonal, Space Group R3c |
Trigonal, Space Group R3c |
Trigonal, Space Group R3c |
| Crystal system |
Positive Uniaxial |
Positive Uniaxial |
Negative Uniaxial |
| Crystal-containing cells |
a=b=7.12Å , c=6.29Å |
a=b=4.621Å , c=3.053Å |
a=b=12.532 A, c=12.717 Å |
| Density |
4.22g/cm3 |
2.7g/cm3 |
3.85g/cm3 |
| Hygroscopicity |
Low |
Low |
Low |
| Mohs hardness |
5 |
3 |
4.5 |
| Thermal expansion coefficient |
a a =4.43x10 -6 /k |
a a =24.39x10 -6 /k |
a a =4x10 -6 /k |
| Optical homogeneity |
10 -6 /cm |
10 -6 /cm |
10 -6 /cm |
| Absorption coefficient |
0.05%/cm -1 @ 1064 nm |
0.07 @ 200nm 0.02 @ 500nm |
0.05%/cm -1 @ 1064 nm |
| Refractive index, birefringence, and dispersion angle (ρ) at 45° |
n e =2.2154, n o =1.9929 |
n e =1.4852 n o =1.6557 |
n e =1.67056, n o =1.54831 |
| Diameter | Max. 30~40mm | Max. 150mm | Max. 40~50mm |
| Length | Max. 25~35mm | Max. 100mm | Max. 25~35mm |
| Surface finish | Better than 20/10 Scratch/Dig Per MIL-0-13830A | ||
| Beam deviation | <10 arc seconds | ||
| Optical axis direction | +/-0.2 ° | ||
| Surface quality | < λ/6 @633nm | ||
| Transmitted wavefront distortion | < λ /4 @633nm | ||
| Coating | Upon Specification | ||
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Contact: Mr. Chen
Telephone:13003800665
E-mail:lobo.luo@fzboyagd.com
Address: No.32, Rear Garden Road, Ma Bao Village, High-tech Zone, Fuzhou City, Fujian Province
