Ruled Diffraction Gratings25x25x6mm 600Lines/mm Float Glass | GU OPTICS
Ruled Diffraction Gratings25x25x6mm 600Lines/mm Float Glass

Ruled Diffraction Gratings25x25x6mm 600Lines/mm Float Glass

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Product No. 378527

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Size 25x25x6mm
Groove Density 600Lines/mm
Blaze Wavelength 250nm
Blaze Angle 4°18'
Chromatic Dispersion 1.67nm/mrad
Substrate Material 浮法玻璃
Surface Quality 60-40
Dimension Tolerance ±0.5mm
Thickness Tolerance ±0.5mm
Efficiency 60%~ 80% @Blaze Wavelength
Clear Aperture 0.9
Damage Threshold 350mJ/cm2 @200ns Pulsed Laser, 40W/cm2(CW) Continuous Laser
Genre 紫外~近红外光栅
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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