Torrent Photonics provides precision optical coatings and custom optical filters for imaging and sensing products. The company supplies solutions from scalable OEM production to standard filter samples, with decades of thin-film engineering experience and advanced optical coating platforms.
Torrent offers bandpass, edge and color filters for UV, visible, NIR and SWIR wavelengths, as well as specialty filters including 45-degree filters, AR windows, linear variable filters and neutral density filters. Customers can select filter type, dimensions and shape as part of the customization process.
The company’s coating technologies include electron bombardment, plasma ion-assisted bombardment, high laser damage threshold coatings, ion beam sputtering and magnetron sputtering.
Specifications:
| Filter types | Bandpass, edge and color filters |
| Wavelength coverage | UV, VIS, NIR and SWIR |
| Specialty filters | 45-degree filters, AR windows, linear variable filters and neutral density filters |
| Coating technologies | Electron bombardment, PIAD, high LDT coatings, IBS and MSP |
| Substrates | Optical wafers, N-BK7, UV fused silica, wafers, chalcogenides and more |
| Maximum dimensions | < 508 mm / 20 inches |



