Model: FWLN.
Overview
Optical Lithium Niobium Crystal (LN) Linbo3 Lens: an optical lens made from Linbo3. Coating: Customized. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Coating | Customized |
|---|---|
| Model NO. | FWLN |
| Materials | Linbo3 |
| Polish | Customized |
| Supplier | Jiaozuo Commercial Finewin Co., Ltd. |
Technical data
| Diameter | 5mm – 152.40mm or customization |
|---|---|
| Dimension tolerance | +/-0.1mm or +/-0.01mm |
| Thickness | Customized |
| Crystal Structure | Trigonal, point group 3m |
| Lattice Parameters | a=b=5.148 , c=13.863 |
| Density | 4.64 g/cm3 |
| Melting Point | 1250 degrees |
| Curie Point | 1142+/- degrees |
| Mohs Hardness | 55 |
| Dielectric Constant | e11/e0 = 85; e33/e0 = 29.5 |
| Thermal Conductivity | 38 W/m egrees at 25 egrees |
| Thermal Expansion Coefficient | a1=a2 =2×10-6 egrees, a3=2.2×10-6/ degrees at 25degrees |
| Piezoelectric Strain Constant | CE11 = 2.04 x 1011 N/m2, CE33 = 2.46 x 1011 N/m2 |
| Elastic Stiffness Constant | CE11 = 2.04 x 1011 N/m2, CE33 = 2.46 x 1011 N/m2 |
| Grade | Optical grade or Saw grade |
What to specify when you request a quote
- Material — listed as “Linbo3”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “Customized”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Wafer Production: A Step-by-Step Manufacturing Guide. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read Fused Silica Glass Wafers for Precision Appliance Electronics. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).


