|Tel.:||+49 551 99 96 00|
|Fax:||+49 551 9 99 60 10|
|optical metrology equipment||S E||HBM FiberSensing, Laser Quantum, Menlo Systems, TOPTICA Photonics|
|optical tables||S E|
|spectrometers||S E||APE, Edmund Optics, Fastlite, GoyaLab, Light Conversion, LightMachinery, UltraFast Innovations|
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.