Narrow band pass filter 、Long pass filter 、dual band pass filter、triple band pass filter、RGB filter
Product description:
    A band pass filter is a device that has high transmission within a certain range and low reflection (transmission) outside that range. For example: Narrow band pass filter 、Long pass filter 、dual band pass filter、triple band pass filter、RGB filter、etc.


  • Technical index

1.Narrow band pass filter is a device that the FWHM is less than the cut-off band width.

Spectrum ( Reference):

90% relative bandwidth

>10.2nm

FWHM bandwidth

<14.5nm

10% relative bandwidth

<17.8nm

CWL

827.8-831.8nm

90% relative pass band(average)

>85%

90% relative pass band(absolute)

>80%


CWL

865+/-5nm

400~780nm

Tmax<1% Tave<0.5%

CWL+/-23nm

Tave>93% Tmin>85%

920~1150nm

Tmax<1% Tave<0.5%

FWHM bandwidth

62.5+/-2.0nm

2.Dual band pass filter is a device with 850nm C/W which applied in Day & Night CCTV lens module, 3D camera module. 

3.Triple band pass filter is a device which applied in 3D glasses module with different RGB wavelength by different eyes.

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