Biconcave Lens SD4A25
Negative-focal-length biconcave lens for beam expanders, optical imaging, laser systems and other applications.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Structure | Biconcave Lens |
| Material | Optical glass 、UVFS、 Germanium 、 Silicon 、CaF2、MgF2、ZnSe ZnS、 Sapphire |
| Available diameter | 0.5mm to 600mm |
| Diameter Tolerance [or Customer design] | +0.00/-0.01mm or Customer design |
| Surface Quality | 10-5 |
| Surface Irregularity [@632.8nm or Customer design] | λ/10 PV @632.8nm or Customer design |
| Thickness tolerance | +0/-0.01mm |
| Clear Aperture [Diameter] | > 90% of the diameter |
| Chamfer | 0.05-0.5mmx45 degrees |
| Coating | Single Mag2 and multilayer antireflection coatings; 350-650nm; B:650-1050nm; C:1050-1585nm; D:Customer design |
| Effective Length [Bk7 Standard Biconcave Lens] | -50 mm |
| Diameter [Bk7 Standard Biconcave Lens] | 25.40 mm |
| R1=R2 [Bk7 Standard Biconcave Lens] | 52.17 mm |
| Material [Bk7 Standard Biconcave Lens] | Black 7 |
| Temperature [Bk7 Standard Biconcave Lens] | 2.00 mm |
| Tellurium [Bk7 Standard Biconcave Lens] | 5.10 mm |
Datasheet
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Supplier Information
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