A detector system, filter therefor, and method of making same is disclosed. The filter includes an interference element having a reflection band disposed primarily in the near infrared, and having a high transmission over most of the visible region. The filter also includes an absorptive element that...http://www.google.es/patents/US7095009?utm_source=gb-gplus-sharePatente US7095009 - Photopic detector system and filter therefor
