| Customization: | Available |
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| Color: | Transparent |
| Polished: | Yes |
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Germanium Infrared (IR) Aspheric Lenses provide diffraction limited focusing performance over a broad spectral range in the Mid-and Long Wave infrared regions. Ideal for monochromatic light sources, such as quantum cascade lasers, these lenses offer a high performance alternative to standard plano-convex lenses.
Each aspheric lens is available uncoated, or with BBAR coating options. Uncoated germanium has transmission of <50%, so custom anti-reflection (AR) coatings should be considered if specifying an uncoated lens. Each BBAR coated lens offers >95% transmission, making it ideal for integration into a variety of OEM applications.
specification:
| Material | Silicon or Germanium |
| Surface Figure | 5(2) |
| Diameter Tolerance | +0.1, -0.1 mm |
| Thickness Tolerance | ±0.2 mm |
| Paraxial Focal Length | ±2% |
| Centration | <3 arc minutes,<1 arc minutes |
| Clear Aperture | >90% |
| Surface Quality | 60-40 ,40-20 or better |
| Protective Bevel | 0.25 mm x 45° |
| Coating | AR or DLC coating |
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Factory information
Yutai Optics, we specialize in the design and volume manufacturing of high performance optical components such as lens,prisms, windows,filters,mirrors and more for use in optical instruments and laser systems, as well as for telecommunications,medical, environment monitoring industry,material is widely ranged from optical glass to IR and UV glass.
As a Fast-growing supplier in Optics, Yutai Optics offers excellent service and good quality items,our products have been appreciated by many European and American customers,of course we build a long-term cooperation.YuTai Optics has quickly established itself as a leader in optical components from its advanced technology and quality control.
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