Chalcogenide optical glass (IRG201)
Chalcogenide glass is glass composed of the three elements sulfur, selenium, and tellurium from Group VIA of the periodic table, excluding oxygen and polonium, combined with other elements (arsenic, antimony, germanium, etc.) or with one another.
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Overview
Chalcogenide glass is glass composed of the three elements sulfur, selenium, and tellurium from Group VIA of the periodic table, excluding oxygen and polonium, combined with other elements (arsenic, antimony, germanium, etc.) or with one another.
Specifications
| Parameter | Value |
|---|---|
| n₁₀.₆(n₄.₀) | 2.4940 |
| υ₁₀.₆(υ₄.₀) | 95.77 |
| Tg | 369 ℃ |
| ρ | 4.42 g/cm³ |
| Transmission Band | 0.7-17 μm |
Applications
Can be widely used in fields such as infrared surveillance, temperature measurement, medical care, detection, guidance, and automotive.
Key Features
Relatively wide infrared transmission band and excellent transmittance; the average transmittance after coating (8μm~12 μm) can reach over 95%.; Relatively low Tg and Ts temperatures, suitable for precision molding of aspheric lenses, helping to reduce the production cost of mass-produced lenses.; Relatively low temperature coefficient of refractive index, making it an excellent material for infrared athermal lens design, capable of achieving no chromatic aberration and no thermal defocus.
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Supplier Information
Founded in 1969, the company is an internationally renowned professional R&D and manufacturing enterprise of optoelectronic materials and components. It is a national "little giant" enterprise, a national intellectual property demonstration enterprise, a national green factory, and a high-tech enterprise. It is the leading formulator of national standards for infrared optical glass products and a series of national standards for testing methods. It has innovation platforms such as Hubei Provincial Enterprise Technology Center, Hubei Provincial Optical Materials Engineering Technology Research Center, Hubei Provincial Engineering Research Center for Special Optical Materials, CNAS-accredited testing and calibration center, and Optoelectronic Materials and Components R&D Center.
The company is committed to providing high-quality green optical materials, making everything clearly visible. Its main products include colorless/infrared photoelectric glass materials, primary/secondary molded parts, aspherical precision molded parts, infrared lenses, etc., which are widely used in video surveillance, automotive, projectors, smart wearable devices, infrared thermal imagers and other product fields.
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