Applications
Coligh is a manufacturer of custom infrared optical components, micro-optics, and optical filters, serving a wide range of high-tech applications. Our optical components play a critical role in applications ranging from fluorescence microscopes and medical research equipment to machine vision, LiDAR, spectroscopy, and semiconductor manufacturing. We are committed to providing customers with high-performance, highly stable optical solutions.
- In the infrared optical field, our infrared lenses, windows, domes, and mirrors are widely used as core components in thermal imaging, night vision systems, gas detection and analysis, autonomous driving LiDAR, and infrared guidance, ensuring reliable detection and infrared imaging in these scenarios and applications.
- In the micro-optics field, our microlens arrays and diffractive optical elements are core components in medical equipment, fiber optic communications, high-end sensing, and semiconductor lithography. These components provide the foundation for precise light manipulation and signal processing.
- In the field of custom optical filters, our optical filter tubes are the core of life science equipment such as fluorescence microscopes and flow cytometers. Furthermore, these filters ensure the accuracy of analytical results in environmental monitoring and food safety testing equipment. These optical filters are also widely used in industrial machine vision, spectroscopy, astronomical observation, and other fields.
Whether it is macroscopic infrared imaging or microscopic cell observation, we rely on our deep optical design, manufacturing and coating capabilities to provide stable and reliable core optical components for equipment in various industries.













