Thin film coating capability
Coligh utilizes multi-optical coating capabilities. Including sputtered coating technology and Ion-assisted deposition hard coating to provide a diverse range of high-precision optical filters, including single-band and multi-band bandpass filters, longpass filters, shortpass filters, and dichroic filters. These filters are tailored to meet the specific needs of customers in life science, Photonics imaging, sensing and detection, and Biomedical related applications
| Filter type | Single band/Multibandpass filter, longpass filter, shortpass filter, dichroic filters, AR Protective Windows, Reflective filter |
| OEM wavelength | 200-240000nm (UV, VIS, NIR, IR, Far IR) |
| Transmission | 90%-99% |
| Reflection | >98% |
| FWHM | ≤0.5 |
| Optical density | OD6-OD8+ |
| Size | 0.5mm-200mm |
| Thickness | Above 0.2mm |
| Surface quality | 80/50, 60/40, 40/20, 20/10 |
| Environment and physical durability | MIL-STD-810F and MIL-C-48497A |
