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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.

Part Number Designation
 

Cutting wavelength,
λc, µm

Max transmittance
of pass band, %

Damage threshold, W/cm2,CW

LPF23.4-24

13

92

7

LPF23.3-24

13

94

7

LPF23.1-24

13

91

7

LPF14.3-25

21

95

7

LPF10.9-24

27.5

73

8

LPF8.8-24

34

80

8

LPF5.5-24

55

83

8

LPF4.3-24

70

82

8

LPF4.0-24

75

82

8

LPF3.2-24

94

81

8

 

 

THz Low Pass Filters

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.