Transmission Gratings 12.7x12.7x3mm 300Lines/mm B270

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Home  Products  Transmission Gratings  376524

Transmission Gratings 12.7x12.7x3mm 300Lines/mm B270

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Transmission Gratings 12.7x12.7x3mm 300Lines/mm B270

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Product No. 376524

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Parameters Efficiency Curve Related Products Description

Size 12.7x12.7x3mm

Groove Density 300Lines/mm

Diffraction Angle 24.8°

Substrate Material B270

Surface Quality 60-40

Dimension Tolerance ±0.5mm

Thickness Tolerance ±0.2mm

Clear Aperture 90%

Genre NIR-Gratings

Transmission Gratings 12.7x12.7x3mm 300Lines/mm B270

Transmission Gratings 25x25x3mm 300Lines/mm B270

Transmission Gratings 50x50x3mm 300Lines/mm B270

Transmission gratings have a simple optical path design. With applications such as spectrometer, a transmission grating has an obvious advantage. The incident beam can disperse at a fixed Angle on the back of the grating. Transmission gratings are insensitive to alignment error of some gratings. In order to obtain high diffraction efficiency, the groove density of transmission grating is not high, diffraction angle increases with the increase of the groove density. The refraction of the substrate limits the transmittance of long wavelength, which result in a degraded performance. The dispersion characteristics of gratings make it suitable for small detector array compact systems. This grating is also insensitive to polarization.

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