PING 940 nm band telecom grating
|Grating technology||Surface relief, etched transmission gratings|
|Production technology||Holographic stepper and RIE etching|
|Grating resolution||1500 l/mm|
|Illumination bandwidth||915 nm - 980 nm|
|Angle of incidence||45 deg (nominal - see plot below which shows great AOI tolerance)|
|Diffraction efficiency (TE & TM)||> 90%|
|Materials||100% dielectric materials|
|Grating area||18 mm x 12 mm|
|Chip size||20 mm x 14 mm|
|Chip thickness||1 mm|
Typical grating performance
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