Home Products Gratings Online Shop Grating 250 l/mm @ 1250 nm

Grating 250 l/mm @ 1250 nm

Grating 250 l/mm @ 1250 nm

9.0° AOI | 900–1800 nm wavelength range
High first-order diffraction efficiency across the full spectral band
Low scatter, AR coating and low polarization dependence
Robust, durable design for easy cleaning, handling and alignment

Download Product Specifications: 30 mm ∅

Grating Size

Clear

General Specifications

Dimensions

30 mm, 3 mm thick

Part #

WP-250/1250-30

Wavelength Range

900–1800 nm

Surface Quality

60–40 scratch-dig

Diffracted Wavefront

< λ/5 rms @ 632.8 nm

Spatial Frequency

250 l/mm ± 0.5 l/mm

CWL

1250 nm

Angle of Incidence (AOI)

9.0° @ 1250 nm

Thickness Tolerance

± 0.25 mm

Dimensional Tolerance

+0 / -0.15 mm

AR Coating

< 1% reflection; 900–1800 nm

Substrate & Cover Glass

1.5 mm BK7 (3 mm total thickness)

Clear Aperture

24 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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