• 参数规格

• 光学参数

• 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 Loss 2	< 0.2	< 0.2	< 0.2	< 0.25	dB
  Spectral Non-Uniformity 3	< 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
  1 Optical grating performance will remain substantially similar over a 5 ° variation in angle of incidence.
  2 Worst case in the operational wavelength range.
  3 Efficiency variation over the operational wavelength range (per polarization).

• 尺寸信息

• 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, non-organic dielectrics. Contains no polym

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