Transmission Gratings 12.7x12.7x3mm 1200Lines/mm B270

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Home  Products  Transmission Gratings  376515

Transmission Gratings 12.7x12.7x3mm 1200Lines/mm B270

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Transmission Gratings 12.7x12.7x3mm 1200Lines/mm B270

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Product No. 376515

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Parameters Efficiency Curve Related Products Description

Size 12.7x12.7x3mm

Groove Density 1200Lines/mm

Diffraction Angle 36.9°

Substrate Material B270

Surface Quality 60-40

Dimension Tolerance ±0.5mm

Thickness Tolerance ±0.2mm

Clear Aperture 90%

Genre VIS-Gratings

Transmission Gratings 25x25x3mm 300Lines/mm B270

Transmission Gratings 25x25x3mm 600Lines/mm B270

Transmission Gratings 25x25x3mm 830Lines/mm B270

Transmission Gratings 25x25x3mm 1200Lines/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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