What optical component suppliers provide

Suppliers in this category work on the passive side of photonics: the components that light passes through rather than the sources that generate it. Their scope covers spherical and aspherical lenses, mirrors and beam splitters, prisms, windows and filters, gradient-index and moulded micro-optics, and the thin-film coatings that set transmission and reflection behaviour. Many also supply optomechanical mounts, tubes, and aligned assemblies, and take on custom geometries in small series. Core competence lies in surface figure, surface quality, centring accuracy, and coating durability rather than in catalogue breadth. In the pre-selection phase, compare which substrate materials, wavelength ranges, and tolerance classes a supplier actually works in, and whether they cover polishing and coating in-house or buy either step in.

Relevant standards

Optical element drawings are specified to ISO 10110, which defines the indication of surface form, surface imperfections, centring, and coating requirements. Optical coatings and their environmental durability are covered by ISO 9211. Suppliers commonly certify quality management to ISO 9001 and environmental management to ISO 14001.

Frequently asked questions

How does this category differ from lasers and optoelectronics?
This category covers passive optical components that shape or transmit light. Suppliers of laser sources, laser systems, and active optoelectronic devices such as detectors and emitters are listed under Lasers & Optoelectronics.

What should I check before shortlisting an optics supplier?
Confirm the substrate materials and wavelength range they routinely work in, the tolerance class they hold in series production, and whether polishing, coating, and mounting happen in one place or across several partners.