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Band pass Filters are defined as a gap pass filters with certain range of pass band. It is used to transmit a range of wavelengths and reflects rest of wavelength on both sides of the pass band. an example spectrum is shown as below. It can be characterized into two types: Narrowband & Broadband pass.
Optical Edge filters which used to transmit a range of wavelengths and reflect the other edge of wavelength bands. It can be characterized into two types: Short edge pass filter(SPF) & Long edge pass filter(LPF).