Coligh Optics is a global manufacturer of custom lithography micro optics 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 products include:

Micro Lens Arrays (MLA)

Refractive Micro Lens ArrayDiffractive Microlens Arrays

Linear Microlens Arrays

Random Pattern Microlens Arrays

Cylindrical Microlens Arrays

Diffractive Optical Elements (DOEs)

1D Diffractive Beam Splitters

2D Diffractive Beam Splitters

Amplitude Diffraction Grating

Phase Diffraction Gratings grating

Phase Optical Elements

Homogenizing Reflector

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.