供应聚焦镜-玻璃设备,玻璃设备-仪表网

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常用作聚焦镜的红外平凸镜，材料包括BaF2,CaF2，Si，Ge，Al2O3，ZnSe以及其他各种材料。

Dia tolerance (inch)	+0, -0.005
Dia tolerance (mm)	+0, -0.13
Center Thickness tolerance	±0.008” (±0.2 mm)
Design Wavelength	5.0 microns
Focal Length Tolerance	±2%
Surface Quality	60/40
Clear Aperture	90% Central Dia
Wedge Angle	< 3 arc min
Surface Irregularity	1 wave at 633 nm

Dia tolerance (inch)	+0, -0.005
Dia tolerance (mm)	+0, -0.13
Center Thickness tolerance	±0.008” (±0.2 mm)
Design Wavelength	5.0 microns
Focal Length Tolerance	±2%
Surface Quality	60/40
Clear Aperture	90% Central Dia
Wedge Angle	< 3 arc min
Surface Irregularity	1 wave at 633 nm

Dia tolerance (inch)	+0, -0.005
Dia tolerance (mm)	+0, -0.13
Center Thickness tolerance	±0.008” (±0.2 mm)
Design Wavelength	5.0 microns
Focal Length Tolerance	±2%
Surface Quality	60/40
Clear Aperture	90% Central Dia
Wedge Angle	< 3 arc min
Surface Irregularity	1 wave at 633 nm

Dia tolerance (inch)	+0, -0.005
Dia tolerance (mm)	+0, -0.13
Center Thickness tolerance	±0.008” (±0.2 mm)
Design Wavelength	5.0 microns
Focal Length Tolerance	±2%
Surface Quality	60/40
Clear Aperture	90% Central Dia
Wedge Angle	< 3 arc min
Surface Irregularity	1 wave at 633 nm

Dia tolerance (inch)	+0, -0.005
Dia tolerance (mm)	+0, -0.13
Center Thickness tolerance	±0.008” (±0.2 mm)
Design Wavelength	5.0 microns
Focal Length Tolerance	±2%
Surface Quality	60/40
Clear Aperture	90% Central Dia
Wedge Angle	< 3 arc min
Surface Irregularity	1 wave at 633 nm

Dia tolerance (inch)

+0, -0.005

Diameter tolerance +0,-0.005” (+0,-0.13 mm)
Center Thickness tolerance ±0.008” (±0.2 mm)
Design Wavelength 5.0 microns
Focal Length tolerance ±2%
Surface Quality 60/40
Clear Aperture 90% Central Diameter
Wedge Angle < 3 arc min
Surface Irregularity 1 l at 633 nm