供应CaF2 Window

the caf2 window is made from calcium fluoride material, which has transparent range from 170-7800nm. the refractive index is 1.399 at 5000nm. it has little hygroscopic susceptibility and high thermal expansion coefficient. caf2 windows are relatively soft and somewhat hygroscopic so polishing, coating and handling are more critical than uv fused silica windows. in addition, the quality of a uv window can be extremely critical, it should be of high purity and polish in order not to affect the optical system. calcium fluoride windows are also applicable for a wide range of spectrum. it is particularly useful for wavelength at 2980nm laser application. 1.useful transmission over the spectral range from 0.2 to 8.0 microns.. 2.low solubility 3.because of its composition caf2 window has a much longer useful life than most other materials when use in a fluorine environment. 4.we have two grades of material of caf2 window. one is for uv application, the other is for ir application. a wide transmission range and low solubility makes it useful for many application, including: > mirror substrate for uv laser systems > substrate for manufacturing windows, lenses for uv and ir application
specifications of caf2 window:
material: calcium fluoride
diameter tolerance: +0.0, -0.1mm
thickness tolerance: ± 0.2mm
clear aperture: >80%
parallelism: 1 arc minute
surface quality: 80/50
wavefront distortion: l/2 per 25mm @632.8nm
bevel:
coating: uncoated
part no. f (mm) t (mm)
win3-101 10.0 0.5
win3-102 12.7 2.0
win3-103 12.7 3
win3-201 25.4 3.0
win3-202 25.4 4
win3-301 38.0 5.0
win3-501 50.0 3.0
win3-502 50 4

福州市创恒光电有限公司
张仁贵
13609598700
福州市福湾工业园区东岭路5号

供应热处理蜗杆价格
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