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Shijiazhuang Zeyuan Optics Co., Ltd.

Filter, Glass Filter, Optical Lens manufacturer / supplier in China, offering Bandpass Filter, Optical Glass, Dtb740, IR Cut Filters Blue Glass 650nm, Infrared Pass Filters Hwb780 and so on.

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Supplier Homepage Product Bandpass Filters Bandpass Filter, Optical Glass, Dtb740

Bandpass Filter, Optical Glass, Dtb740

FOB Price: US $0.5-50 / piece
Min. Order: 10 piece
Min. Order FOB Price
10 piece US $0.5-50/ piece
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Transport Package: Carton Packing
Payment Terms: L/C, T/T, Paypal, Western Union

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Basic Info
  • Model NO.: DTB740
  • Type: Color Filter
  • Material: Glass
  • Size: 6mm-200mm
  • Trademark: Zeyuan
  • Origin: China
  • Usage: Optical
  • Principle: Bandpass Filter
  • Customized: Customized
  • Thickness: 0.6mm Min.
  • Specification: SGS
  • HS Code: 9001909090
Product Description
  • This kind of glass only transmits the light within a narrow wavelength range as shown in figure. Its spectral characteristic is composed of maximum transmissivity (TM) wavelength of the peak (lM), front-cut-off wavelength, behind-cut-off wavelength, and half-peak width.
    The wavelength corresponding to the half of the maximum transmissivity are l2 and l1. And the half-peak width is determined by l2 - l1. Front (behind)-cut-off wavelength is corresponding to the wavelength of "zero" transmissivity. But there are a few types which transmissivities of the behind-cut-off wavelengthes can't approach to zero, then they are determined by the transmissivity of the certain wavelength. 
    Band-pass filter glass is named DTB, and wavelength of the peak is used as its serial number.

    Technical Indexes 


    No.TypeMaximum Transmissivity 
    Front Cut-off 
    Behind Cut-off 
    Half-peak Width 
    Thickness (nm)
Bandpass Filter, Optical Glass, Dtb740
Bandpass Filter, Optical Glass, Dtb740
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