Germanium Lens

Germanium Lens

Supplier
Ootee
Category
Optical Lenses
Origin
China

Germanium single crystal has high hardness, good thermal conductivity, insoluble in water, and a transmission band of 2-12 μm. It is a very commonly used infrared optical material. Currently widely used in infrared imaging systems and infrared spectrometer systems

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Overview

Germanium single crystal has high hardness, good thermal conductivity, insoluble in water, and a transmission band of 2-12 μm. It is a very commonly used infrared optical material. Currently widely used in infrared imaging systems and infrared spectrometer systems. Germanium single crystal is also used as the base material for various infrared filters. High-purity germanium single crystal has a high refractive index, is transparent to infrared rays, and does not transmit visible light and ultraviolet rays. It can be used as a germanium window, prism or lens that specifically transmits infrared light. Germanium's ability to absorb light continues to strengthen as the temperature rises. Above 100 degrees Celsius, it has a significant impact on the light transmittance, seriously affecting the performance of the optical system. Germanium components are usually coated with anti-reflective coatings due to their high surface reflectivity. 3~12μm coated germanium windows are used in mid-infrared and multispectral applications, and 8~12μm germanium windows are usually used in thermal imaging and infrared imaging systems

Specifications

ParameterValue
Lens Aperture Range3mm-200mm
Edge Thickness Range≥0.7mm
Center Thickness Range≥1mm
Sag Processing Range≤21mm
Aperture to Center Thickness Ratio17
Surface Flatness Pv0.1μm
Roughness Ra4nm-10nm

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Supplier Information

Jiangxi Ootee Optics Co., Ltd. is a high-tech enterprise specializing in the production and sales of precision optical components, with complete production lines for cold processing of flat mirrors, cold processing of spherical mirrors, cold processing of cylindrical mirrors, aspheric processing, and optical coating. The production technology of infrared optical components is mature, capable of small-batch trial production and large-scale production. It has the capability of optical application design and coating design, providing customers with comprehensive and reasonable product solutions. Advanced testing technology is the foundation of quality assurance. Our company is mainly equipped with spectrophotometers, laser interferometers, image measuring instruments, Fourier transform infrared spectrometers and other testing equipment to ensure the accuracy of products in terms of dimensions, surface accuracy, radius of curvature, focal length, coating indicators, surface measurement, etc.

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