|Tel.:||+49 3641 316 112 0|
|Fax:||+49 3641 316 113 0|
|custom optics||S E||Artifex Engineering, DPM Photonics, EKSMA OPTICS, Knight Optical, Laseroptik, LightMachinery, Shanghai Optics|
|diffraction gratings||S E||Edmund Optics, Knight Optical, NIL Technology|
Column "To": S = list of suppliers for that product, E = encyclopedia article.
Third column: alternative suppliers are suppliers also offering such products while having an ad package. On their own company profile pages, the right column of the table contains their product descriptions instead of alternative suppliers.