About us

Huilei Optoelectronics Technology (HL-OET)

We specializes in the research and development, production, processing, and sales of halide optical functional crystals and components. The company boasts robust technical expertise, led by a team of seasoned experts with decades of experience in halide crystal research and development. Huilei has pioneered dynamic oxygen-removal halide crystal growth technology, enabling the production of halide crystals with low oxygen content, high short-wave transmittance, and exceptional radiation resistance. These superior properties allow the crystals to meet the stringent requirements of clients in specialized fields. By combining advanced material synthesis and precision engineering, Huilei Optoelectronics Technology delivers cutting-edge solutions for industries requiring high-performance optical and radiation-resistant materials.
Our Core Products:
1. Optical Functional Crystals:
• Materials include lithium fluoride (LiF), calcium fluoride (CaF₂), europium-doped calcium fluoride (CaF₂:Eu), magnesium fluoride (MgF₂), barium fluoride (BaF₂), lead fluoride (PbF₂), lithium iodide (LiI), pure cesium iodide (CsI), thallium-doped sodium iodide (NaI(Tl)), and thallium-doped cesium iodide (CsI(Tl)).
• Applications: Optical windows, coatings, and radiation detection.

2. Crystal Components:
• Packaged CsI(Tl) and NaI(Tl) crystals.
• CsI(Tl) and NaI(Tl) radiation detection probes.
• CsI(Tl) linear arrays and matrix arrays.

3. High-Purity Coating Materials:
• Polycrystalline powders or granules, including potassium iodide (KI), sodium fluoride (NaF), potassium fluoride (KF), lithium fluoride (LiF), magnesium fluoride (MgF₂), zirconium fluoride (ZrF₄), and aluminum fluoride (AlF₃).
• Purity levels: 99.9% (3N), 99.99% (4N), and 99.999% (5N), with customization available.
• Applications: Optical fibers, coatings, and other high-purity-demanding fields.