THz Low Pass Filters

Download THz Low Pass Filters Datasheet (PDF, 499 KB)

THz Low Pass Filters are meant to transmit THz radiation and block short wavelengths. The filter is a set of materials mounted in a holder with a fit ring. Operation principle of the filters is based on the redistribution of the radiation by means of dispersion, reflection, scattering, diffusion, diffraction, and interference.

THz_Low_Pass_Filters

Applications:

  •  THz spectroscopy;
  •  Imaging;
  •  THz testing devices;
  •  Astronomy, space based astronomy, and astrophysics;
  •  Materials research;
  •  Sensors and detectors;
  •  Electro-optic research.

Features:

  • Performance in wavelength range from IR to MM;
  • High transmittance in pass band;
  • Low transmittance  (<0.1%) in stop band;
  • Mounted in holders.

Parts Numbers Designation, Characteristics and Spectral Curves 
Part Number Designation for Tydex Low Pass Filter:  LPF <frequency, THz> - <aperture, mm>

Part Number Designation

Cutting wavelength,
λc, µm
Max transmittance
of pass band, %
Damage threshold, W/cm2,CW
LPF23.4-24 13 92 7
LPF23.4-35
LPF23.4-47
LPF23.3-24 13 94 7
LPF23.3-35
LPF23.3-47
LPF23.1-24 13 91 7
LPF23.1-35
LPF23.1-47
LPF14.3-25 21 95 7
LPF14.3-35
LPF14.3-47
LPF10.9-24 27.5 73 8
LPF10.9-35
LPF10.9-47
LPF8.8-24 34 80 8
LPF8.8-35
LPF8.8-47
LPF5.5-24 55 83 8
LPF5.5-35
LPF5.5-47
LPF4.3-24 70 82 8
LPF4.3-35
LPF4.3-47
LPF4.0-24 75 82 8
LPF4.0-35
LPF4.0-47
LPF3.2-24 94 81 8
LPF3.2-35
LPF3.2-47

Sizes and Shapes
Round filters with clear aperture/outer diameter  24/31, 35/44, and 47/60 mm are available from stock.
Alternate sizes and custom designs are available upon request.
For price quotation and delivery please fill in our Request Form.