Ruled Diffraction Gratings12.5x25x9.5mm 150Lines/mm Pyrex | GU OPTICS
Ruled Diffraction Gratings12.5x25x9.5mm 150Lines/mm  Pyrex

Ruled Diffraction Gratings12.5x25x9.5mm 150Lines/mm Pyrex

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Product No. 378502

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Size 12.5x25x9.5mm
Groove Density 150Lines/mm
Blaze Wavelength 10.6μm
Blaze Angle 35°0'
Chromatic Dispersion 4.2nm/mrad
Substrate Material Pyrex
Surface Quality 60-40
Dimension Tolerance ±0.5mm
Thickness Tolerance ±0.5mm
Efficiency 60%~ 80% @Blaze Wavelength
Clear Aperture 0.9
Damage Threshold 3.5J/cm2 @200ns Pulsed Laser, 250W/cm²(CW) Continuous Laser
Genre IR Gratings
制作原始或者母光栅的初始步骤是对基底材料的选择,通常为玻璃或者铜。将基底材料抛光至高平整度并对其镀一层很薄的铝膜。刻划平行度和刻线的等距需要漫长的时间进行调整,可能需要花费几天进行设置并在实际刻划之前进行测试。刻划机必须能够在每次刻划后让钻石刀头按精确路线折回,并按预定量对基底进行刻划。刻线的平行度和位移必须精确控制。
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