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   YuanChuangYueFu, Qiche Zone,
   Changchun,  P.R. China(130000)

IR Filters

Different IR filters from Yutai Optics: a. optical glass with infrared coating. b. some color glass play an IR filter itself. c. Si, Ge, ZnSe, Sapphire, CaF2, quartz glass with infrared coating. The infrared band includes a wide range of wavelengths, from 780nm to 14um, which is divided into near infrared, mid infrared and far infrared. Near infrared (code-named IR-A, wavelength 780 ～ 1500nm, NIR), Mid-infrared (IR-B, 1500 ～ 6000nm, MIR), Far infrared (IR-C, 6000 ～ 14000nm, FIR).
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