Diffraction Gratings for optical communication are the components which take a key role in communication network system in the long term, and high reliability is demanded of them. These products have passed test in accordance with the Telcordia GR-1221-CORE which is required for the passive optical components.
These are Au coated replica gratings from master diffraction gratings manufactured by using high accuracy two-beam interference. These have high relative diffraction efficiency for TM-polarized light*1 and are suitable for optical communication, industrial measurement across near infrared spectral regions which high performance and environment resistance are required.
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Test result in accordance with Telcordia GR-1221-CORE *2
Test sample specification : Groove density 1100 grooves/mm, Blank material Borosilicateglass, Coating Gold (Au)