Infrared Silicon Filter

Infrared filter commonly refer to filters that reflect or block mid-infrared wavelengths while passing visible light. It is applied in wide range of fields that use camera module: surveillance system, vehicle cameras, camcorder, smartphone, etc. Infrared filters can be designed in bandpass, longpass, and shortpass configurations for applications in the SWIR, NIR, and MIR wavelength bands.

Infrared Silicon Filter
  • Customized silicon filter
  • Size from 5mm to 300mm
  • Used for 3um to 5um
  • Low absorption @9um wavelength

Silicon material specification

Crystal structure

Monocrystalline Silicon

Purity

>99.9999%

Orientation

<100>

<111>

Conductivity

N type (Phosphorous doped)

P type(Boron doped)

Resistivity

1-10 ohm/cm

Manufacture Limits

Size

5mm to 300mm

Size tolerance

+/-0.05

Thickness

Customized

Thickness tolerance

+/-0.05

Shape

customized

 

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