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• Description	T-940-C	T-966-C	T-940-L	T-940-CL	Units
  Groove Density	940.07	966.2	940.07	940.07	grooves/mm
  Operational Wavelength Range	1526-1566 (C band)	1526-1566 (C band)	1570-1610 (L band)	1526-1610 (C+L band)	nm
  Optimum Incidence Angle1	46.5	48.3	48.4	47.5	degrees
  Groove Density Uniformity	0.001	0.001	0.001	0.001	grooves/mm
  Diffraction Efficiency (s- and p-polarization)2	> 94	> 94	> 94	> 92	%
  Polarization Dependent Loss2	< 0.2	< 0.2	< 0.2	< 0.25	dB
  Spectral Non-Uniformity3	< 0.15	< 0.15	< 0.15	< 0.25	dB
  Spatial PDL Non-Uniformity2	< 0.1	< 0.1	< 0.1	< 0.1	dB
  Datasheet	Download	Download	Download	Download	N/A
  1Optical grating performance will remain substantially similar over a 5 ° variation in angle of incidence.
  2Worst case in the operational wavelength range.
  3Efficiency variation over the operational wavelength range (per polarization).

• 灏哄淇℃伅

• Description	Value
  Substrate Width and Height Tolerance	standard tolerance ± 0.2 mm
  Grating Area Clear Aperture (CA)	0.5 mm from substrate edge
  Substrate Thickness	0.675 ± 0.050 mm
  Surface Quality in CA	60/40 scratch/dig
  Surface Quality outside of CA	no requirements
  Material	Fused silica substrate锛 non-organic dielectrics. Contains no polym

璁㈣喘淇℃伅

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