Photo pick detector system and the filter for the

Detector system, disclosed filter therefor, and a manufacturing method thereof. Filter comprises a reflection band placed near infrared mainly includes a high transmittance over most the visible region, the interference element having a. Filter also comprises an absorbent element for non-uniformly absorbing light over the visible region. Filter, when combined with a semiconductor photodiode or other suitable detector, for generating a detector system spectral responsivity matches well with visual response of the human eye.