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HD Grating: 1624 l/mm @ 870 nm CWL - Image 2
HD Grating: 1624 l/mm @ 870 nm CWL - Image 3

HD Grating: 1624 l/mm @ 870 nm CWL

  • AOI = 44.9° | Wavelength range: 800-940 nm
  • High 1st order diffraction efficiency over the full spectral band
  • Low scatter & AR coated to minimize stray light; low polarization dependence
  • Robust & durable, making it easy to clean, handle and align

Price range: $550.00 through $1,095.00

Size(s)
25.4 mm, 3 mm thick | 50.8 mm, 6 mm thick | 35 x 45 mm, 6 mm thick
Part #
WP-HD1624/871-25.4 | WP-HD1624/871-50.8 | WP-HD1624/871-35X45
Wavelength Range
800-940 nm
Surface Quality
60-40 scratch-dig
Diffracted Wavefront
< λ/5 rms @ 632.8 nm
Spatial Frequency
1624 l/mm +/- 1 l/mm
CWL
871 nm
Angle of Incidence (AOI)
45° @ 871 nm
Thickness Tolerance

+/- 0.25

Dimensional Tolerance
?
Chamfers
0.25-0.75 mm face width
AR Coating
Optimized for the specified wavelength range & AOI
Substrate & Cover Glass
1.5 mm BK7 (3 mm total thickness) | 3 mm BK7 (6 mm total thickness) | 3 mm BK7 (6 mm total thickness)
Dimensions
A=25.4 mm B=3 mm | A=50.8 mm B=6 mm | A=35 mm B=45 mm T=6 mm
Clear Aperture
20 mm | 45 mm | 30 mm x 40 mm

The diffraction efficiency and the angle of diffraction as a function of wavelength for this online shop grating are:

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