Visible Long/Short Wave Pass Filter
 Infrared Long /Short Wave Pass Filter

General Specification

  • Size Tolerance :+0.0,- 0.2mm
  • Thickness : 0.5 mm (nominal) , 1.0mm to 3.0mm
  • Surface/Coating Quality : F/F per MIL-F-48616
  • Cut on , Cut off : Wavelength of 5% Absolute transmission
  • Cut on , Cut off Tolerance : > ± 2.5%
  • Blocking range :
        IR Long wave pass : from 0.9 lc
        Short wave pass : from 1.12 lc
  • Block Optical Density : Typically 0.1% , O.D 3
    *Blocking specification can be design by customer
    		•

    Filter Number Identification
    ILF
    		 -
    		 1.5
    		 -
    		  A
    Filter Code
    		 -
    		 Cut on/off
    		 -
    		  Size(A:F25.4mm B:F100.0mm C:F125.0mm)


    Infrared Long Wave Pass Filter (ILWP)
    CWL (lo)(nm) T range(nm)
    		 Tave% Filter Number
    A:25.4mm B:100.0mm C:125.0mm
    1.5
    		 1.7-3.4
    		 75
    		 ILF-1.5-
    		 A
    		   
    		   

    2.0
    		 2.2-4.1
    		 80
    		 ILF-2.0-
    		 A
    		   
    		   

    2.5
    		 2.8-5.0
    		 80
    		 ILF-2.5-
    		 A
    		   
    		   

    3.0
    		 3.3-6.0
    		 75
    		 ILF-3.0-
    		 A
    		   
    		   

    3.5
    		 3.8-7.0
    		 80
    		 ILF-3.5-
    		 A
    		   
    		   

    4.0
    		 4.0-8.0
    		 75
    		 ILF-4.0-
    		 A
    		   
    		   

    4.5
    		 5.0-9.0
    		 75
    		 ILF-4.5-
    		 A
    		   
    		   

    5.0
    		 6.0-14.0
    		 75
    		 ILF-5.0-
    		 A
    		 B
    		 C

    6.0
    		 7.0-14.0
    		 75
    		 ILF-6.0-
    		 A
    		 B
    		 C

    6.5
    		 7.0-14.0
    		 75
    		 ILF-6.5-
    		 A
    		 B
    		 C

    7.0
    		 7.5-14.0
    		 80
    		 ILF-7.0-
    		 A
    		   
    		   

    7.5
    		 8.0-14.0
    		 75
    		 ILF-7.5-
    		 A
    		   
    		   



    Infrared Short Wave Pass Filter (ISWP)
    CWL (lo)(nm) T range(nm)
    		 Tave% Filter Number
    A:25.4mm
    2.0
    		 1.45-1.85
    		 70
    		 ISF-2.0-A

    2.5
    		 1.60-2.30
    		 70
    		 ISF-2.5-A

    3.0
    		 1.60-2.70
    		 75
    		 ISF-3.0-A

    3.5
    		 1.75-3.20
    		 80
    		 ISF-3.5-A

    4.0
    		 2.0-3.70
    		 80
    		 ISF-4.0-A

    4.5
    		 2.2-4.10
    		 80
    		 ISF-4.5-A