Grating 1200 l/mm @ 840 nm

Grating Size

Clear

General Specifications

Dimensions

25.4 mm, 3 mm thick | 50.8 mm, 6 mm thick

Part #

WP-1200/840-25.4 | WP-1200/840-50.8

Wavelength Range

700–960 nm

Surface Quality

60–40 scratch-dig

Diffracted Wavefront

< λ/5 rms @ 633 nm over a 1″ diameter

Spatial Frequency

600 l/mm ± 0.5 l/mm

CWL

900 nm

Angle of Incidence (AOI)

15.7° @ 900 nm

Thickness Tolerance

± 0.25 mm

Dimensional Tolerance

+0/ -0.15 mm

AR Coating

Optimized for the specified wavelength range and AOI

Substrate & Cover Glass

1.5 mm BK7 (3 mm total thickness) | 3 mm BK7 (6 mm total thickness)

Clear Aperture

20 mm | 44 mm

Grating Performance Data

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

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