Transmission Grating Beamsplitters 25x25x9.5mm 80Lines/mm  B270

Transmission Grating Beamsplitters 25x25x9.5mm 80Lines/mm B270

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Product No. 376535

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Size 25x25x9.5mm
Groove Density 80Lines/mm
Substrate Material B270
He-Ne Typical Distribution of Diffraction Orders @632.8nm (% 0.05
He-Ne Typical Distribution of Diffraction Orders @632.8nm (% 0.25
He-Ne Typical Distribution of Diffraction Orders @632.8nm (% 0.25
He-Ne Typical Distribution of Diffraction Orders @632.8nm (% 0.25
He-Ne Typical Distribution of Diffraction Orders @632.8nm (% 0.05
Surface Quality 60-40
Dimension Tolerance ± 0.5 mm
Thickness Tolerance 3± 0.2 mm
Efficiency 45%~ 70% @Peak Wavelength
Clear Aperture 90%
Damage Threshold 50mJ/cm² @200ns Pulsed Laser;40W/cm² (CW)Continuous Laser
Transmission grating beamsplitters are commonly used for He-Ne laser beam division and multiple laser line separation in visible wavelengths. The transmitted beam is diffracted into multiple orders. Transmission grating beamsplitters consist of a refractive index matched epoxy replica on a polished glass substrate in order to get a high total diffraction efficiency. These beamsplitters are specially designed for He-Ne laser.
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