Custom Micro Optics Solutions & Optical Components Provider

Top 3 Lithography Micro Lens Arrays and DOEs China Manufacturer

Coligh Optics Technology was founded in 2015. It is a technology company focusing on the design, development and manufacturing of high-end lithography micro-nano optical element and customized optical components.

We are rooted in micro-nano processing technology, precision optical processing, thin film coating  and are committed to providing customers with high-performance and high-reliability macro optics to micron/nano structure.  Our DOEs and Microlens Arrays have been used in many applications like medical aesthetics, semiconductor, scientific research and other laser system.

We are capable of solution from ultraviolet 200nm to infrared 20μm micro nano optics element coating and design. Through years of developing, we have large amount of stard different types of microlens arrays and DOEs in stock.  With the core capability of design, we are capable of offering different custom solution for clients.

We ultilize different thin film coating technologies for different products, such as magnetron sputtering coating, ion-assisted coating, and vacuum coating. The wavelength range that can be processed ranges from deep ultraviolet 200nm to far infrared 30μm.

We can coat various filter films, spectroscopic films, broadband anti-reflection films, single-point anti-reflection films, etc.

The product range covers ultra-narrow bandpass filters from ultraviolet to far infrared, multi-bandpass filters, multi-band notch filters, narrow-band infrared filters, broadband infrared filters, short-pass filters, long-pass filters, optical protection windows, etc.

In addition to conventional coating layers, we can also process ITO conductive films and EMI shielding films.

We design and precisely manufacture various types of refractive and diffractive microlens arrays (square, hexagonal, circular, random aperture, linear, cylindrical), as well as high-precision diffractive optical elements (DOEs) such as beam splitters, homogenizers, and phase plates.

We offer a wide range of high-performance custom optical filters covering deep ultraviolet (DUV) to far infrared (FIR), including complex multi-bandpass filters, dichroic mirrors/beam splitters, longpass/shortpass filters, notch filters, laser line filters, and specialized filter sets for fluorescence applications.

We not only offer standard products but also specialize in “from-scratch” design and manufacturing based on customers’ unique requirements for micro lens arrays, DOEs,  wavelength, angle, size, environment, and performance specifications.

We specialize in the precision fabrication of optical components (lenses, windows, optical assemblies) using various infrared materials such as ZnSe, ZnS, Si, Ge, Sapphire, CaF₂, MgF₂, Chalcogenides, and BaF₂. We are Capable of large diameter up to 1000mm.

We are the first provider of medical aesthetics DOEs in China. We have cooperated with medical aesthetics manufacturers in Israel and South Korea and have a deep understanding of the medical aesthetics industry’s demand for DOEs.

Our cross-functional team enables continuous innovation and problem-solving in complex optical engineering projects.

We achieve sub-micron to nano-scale lithography and etching on hard materials like fused silica and silicon with high consistency.

We utilize IBS, magnetron sputtering, and e-beam coating to achieve high-performance filters with precise control and durability.

We offer sub-nanometer surface polishing and high-precision fabrication for hard, heat-sensitive material.

We ensure quality through a complete process chain from raw materials to final inspection with advanced metrology tools.