Custom Microlens Array, DOEs, Optical Filters and Infrared Components China Manufacturer and Supplier
WHAT WE DO
Coligh Optics is a global manufacturer of custom optical components, dedicated to providing high-performance optical components and micro-nano structure solutions spanning the deep ultraviolet (DUV) to far-infrared (FIR) wavelength range, including complex micro-nano optical structures such as micro-lens arrays and diffractive optical elements (DOEs), optical filters, infrared optical devices, and more.
Our products are widely applied in high-tech fields with stringent requirements for optical performance and stability, such as life sciences, laser shaping, laser beam splitting, laser processing, machine vision, smart sensing, infrared imaging, precision manufacturing, aerospace, environmental monitoring, new display technologies, and semiconductor inspection.
Our Value
Core Technical Team and R&D Capabilities
We have a technical and R&D team led by three scientists with backgrounds from the Chinese Academy of Sciences, possessing multidisciplinary integration capabilities across optical design, micro-nano manufacturing, materials engineering, precision machining, and electronic engineering. The team has long been dedicated to high-performance coating system design, customized complex optical paths, and microstructure processing technologies, and can provide customers with:
- Structural co-design of high-difficulty optical systems and components;
- Optical optimization simulation across multiple physical dimensions including wavelength, angle, light field, and thermal stability;
- Rapid feasibility assessment and process design recommendations;
- Full-cycle technical tracking and delivery assurance throughout the project.
Multi-domain core product lines
We have built a complete process platform covering raw material processing, precision cold working, ultra-precision micro-nano processing, advanced coating, and testing:
Micro-Nano Structural Optical Components
Equipped with four high-precision lithography machines and a comprehensive micro-nano lithography and etching manufacturing platform, we support the production of various micro-lens arrays (refractive, diffractive, line arrays, cylindrical), DOE diffractive elements, optical gratings, beam splitters, homogenizers, and reticles, precisely defining focal length and array morphology. These components are widely used in laser beam shaping, 3D sensing, AR/VR, spatial light modulation, and imaging calibration applications.
Optical filters
We specialize in custom high-precision thin-film optical filters, offering ultra-narrow bandwidth (as narrow as 0.25 nm), high steepness, multi-bandpass, and multi-spectral composite design capabilities. Customization options include: multi-band pass filters, laser line filters, Raman filters, dichroic mirrors, notch filters, AR protective windows, and more, widely applied in fluorescence imaging, PCR diagnostics, Raman spectroscopy, laser systems, machine vision, and aerospace/astronomical imaging.
Infrared optical components
Possesses precision non-spherical processing and ultra-smooth polishing cold processing capabilities for infrared materials such as ZnSe, Si, Sapphire, CaF₂, BaF₂, Ruby, and chalcogenide glass, supporting large-sized infrared windows, domes, lenses, prisms, and irregularly shaped components with a maximum diameter of 1000 mm. Additionally, we possess specialized processes for AR coatings, spectroscopic coatings, and multi-layer filter coatings tailored for the mid-to-far infrared wavelength range, suitable for thermal imaging, gas detection, environmental monitoring, laser ranging, unmanned systems, security night vision, infrared sensing, laser ranging, and space optical systems.
Processing Advantages
Micro/Nano Processing
Mastering core technologies such as deep UV lithography and dry etching, enabling high-consistency microstructure array replication on large substrates such as fused quartz, silicon, and float glass.
Cold Processing
Supports ultra-fine grinding, polishing, chamfering, and aspherical processing of hard and brittle materials, with surface profile accuracy better than λ/10 and surface roughness as low as the sub-nanometer level.
Inspection Capabilities
Equipped with interferometers, white light profilometers, spectrometers, LIDT testing, aging testing, and more, ensuring traceable quality.
Coating Capabilities
IBS ion beam, magnetron sputtering, and electron beam evaporation platforms enable wide-bandwidth, high-precision thin-film deposition
Quick response, stable delivery
We can efficiently respond to customers’ small-batch, multi-variety, and highly complex customization needs. At the same time, our stable manufacturing system can also support the large-scale delivery and consistency control of medium and large-scale projects. We serve global customers, providing full-process English documentation support, technical consulting, project communication, remote technical assistance, and international logistics delivery guarantees.
Global Service and Technical Team Support
Our professional team spans multidisciplinary backgrounds including optical design, materials science, precision manufacturing, and automation, enabling us to provide clients with integrated technical services from project evaluation, optical design, prototyping and testing, mass production delivery, to after-sales support.
No matter where you are globally, we can provide rapid feedback, professional consultation, full English technical documentation support, and international logistics services to help your innovative products quickly enter the market.
