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Optical Filter

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Band Pass Filter

Band Pass Filter

Band Pass Filter transmits wavelengths in a range around a specified wavelength. It takes certain wavelengths as the central wavelengths, blocking both longer and shorter wavelengths than the central wavelengths. The Band width can be narrower or wider.

GENERAL SPECIFICATION

  • Substrate : Optical Glass
  • Coating Quality : MIL-F-48616
  • Blocking (spectral)
  • Typically 0.01%, O.D 4
  • Specification can be design by customer.

APPLICATION

  • Optical Instruments
  • Lighting
  • Photograph
  • Measuring instrument

TYPICAL TRANSMISSION CHARACTERISTICS

Application CWL (nm) FWHM (nm) Tmin (%)
Hg(l) 300±3 15±5 40
Ru(l) 350±3 30±5 50
Dy(l), Yb(l) 400±3 50±5 50
Biomedical 450±10 70±20 60
Biomedical 500±10 70±20 60
HG(l) 550±10 75±20 70
Biomedical 600±10 75±20 70
H(l) 650±10 75±20 70
Rudy Laser 700±10 80±30 80
750±10 80±30 80
800±10 80±30 80
Laser Diode 850±10 85±30 85
Ga As Laser 900±10 85±30 85
Ga As Laser 950±10 85±30 85
YAG Laser 1064±10 90±30 90

TYPICAL TRANSMISSION CHARACTERISTICS