CaF2 Germanium Optical Window Optical Infrared Lens for Thermal
Imaging
Glass Material- Calcium Fluoride (CaF2):
- Composition: A crystalline form of fluoride with high optical transparency.
- Properties: Low dispersion, high transmittance in the UV, visible, and IR
ranges, and resistance to thermal shock.
- Germanium (Ge):
- Composition: A semimetallic element with unique optical properties.
- Properties: High refractive index, excellent transmittance in the mid-to-far
IR range, and good mechanical strength.
Property- Optical Transparency: Both materials offer high transparency across a wide range of
wavelengths, making them suitable for various optical applications.
- Thermal Stability: Germanium, in particular, exhibits good thermal stability and
can withstand high temperatures without significant degradation.
- Resistance to Environmental Factors: Both materials are resistant to chemical corrosion and
mechanical stress, ensuring durability in harsh environments.
Function- Optical Window: Serves as a transparent barrier that protects sensitive optical
components while allowing light to pass through.
- Infrared Lens: Focuses and directs infrared radiation, enabling the capture and
analysis of thermal images.
- Combination: Combining CaF2 and germanium can optimize performance across a
broader spectral range, enhancing the lens's versatility.
Application- Thermal Imaging Cameras: Used in security, surveillance, and firefighting to detect heat
sources and monitor temperature changes.
- Scientific Research: Employed in spectroscopy, astronomy, and remote sensing to study
objects and phenomena across a range of wavelengths.
- Industrial Inspection: Utilized in non-destructive testing and quality control to
detect defects and measure temperature distributions in materials.
- Medical Imaging: Potentially used in thermal imaging systems for medical
diagnosis and treatment monitoring.
| Item | Optical Infrared Lens | | Material | Optical glass, Qurartz glass, Pyrex, borosilicate glass, Float
glass | | Diameter Tolerance | +0/-0.2 mm | | Thickness Tolerance | +/-0.2 mm | | Processed | by grinding, polishing | | Surface Quality | 80/50,60/40 | | Material Quality | no scratches and air bubble | | Transmission | above 90% | | Chamfer | 0.1-0.3 mm x 45 degree | | Surface Coating | Available | | Usage | Photography, Lighting system, Laser system |
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