Product type: Flat Lens. Application: Lighting, Medical, Optical, Photography, Astronomy, Laser, Communication. Model: RAY-OS096#.
Overview
Barium Fluoride/Baf2 Laser Windows/Barium Fluoride Machining/Baf2 Optical Lens is an optical lens made from Barium Fluoride. Listed geometry: single-lens shape. Optical / electrical data: wavelength -1.65 X 10(-5), transmittance 80%-90%. Coating: Uncoating/Coating/Polishing. It is used in Lighting, Medical, Optical, Photography and Astronomy. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Barium Fluoride |
|---|---|
| Substrate | Barium Fluoride |
| Type | Flat Lens |
| Shape | Single-lens |
| Wavelength | -1.65 X 10(-5) |
| Transmittance | 80%-90% |
| Coating | Uncoating/Coating/Polishing |
| Usage | Lighting, Medical, Optical, Photography, Astronomy, Laser, Communication |
| Model NO. | RAY-OS096# |
| Lenses Color | Clear |
| Linear Thermal Expansion Coefficient | 18.1 |
| Thermal Conductivity | 11.72 W/M.K |
| Refractive Indices | 1.0/1.46861; 11.0/1.38660 |
| Abbe Number | Vd = 81.61 ; Ve = 81.02 |
| Melting Point | 1386 Celsuis Degrees |
| Products Name | Barium Fluoride(BaF2) |
| Thermal Properties | I |
| Mechanical Properties | I |
| Optical Properties | I |
| Main Applying Fields | A |
| pplying Fields | 1).Advanced thermal imaging |
| ain Cooperation Materials Manufacturers | CORNING, OHARA, SCHOTT, LEONI, AGC,HELLMA, NIKON,VITRON,C-LASER,ETC |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
Technical data
| Items | Value |
|---|---|
| Melting Point(ºC) | 1386 |
| Specific heat capacity | 410 J / kg x K |
| Linear thermal expansion coefficientα(0 °C) (10-6/K) | 18.1 |
| Items | Value |
|---|---|
| Young's Modulus, E (25 °C)(Modulus of Elasticity) | 53.07GPa |
| Shear Modulus, G (Modulus of Rigidity) | 25.40GPa |
| Posssion's Ration u | 0.343 |
| Knoop Hardness HK | 82 |
| Mohs Hardness | 3.0 |
| Density (g/cm3) | 4.89 |
| Items | Value |
|---|---|
| Refractive indices | (at 22.6°C (± 0.3°C )) |
| 1.0 | 1.46861 |
| 2.0 | 1.46464 |
| 3.0 | 1.46119 |
| 4.0 | 1.45671 |
| 5.0 | 1.45103 |
| 6.0 | 1.44398 |
| 7.0 | 1.43561 |
| 8.0 | 1.42579 |
| 9.0 | 1.41435 |
| 10.0 | 1.40131 |
| 11.0 | 1.38660 |
| Abbe number | Vd = 81.61 ; Ve = 81.02 |
| Thermal coefficient of refractive index | 18.41810-6 |
| 0.5 | -1.65 x 10-5 |
| 5.0 | -1.60 x 10-5 |
What to specify when you request a quote
- Material — listed as “Barium Fluoride”; 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 “Uncoating/Coating/Polishing”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica and Other Glass Materials for Machined Components. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read Boost Yield with Fused Silica Viewports for Vacuum and Optical Systems. Before sending a drawing, check Choosing Glass Materials for Optical & Industrial Components. A related standard product is Infrared Windows.
