©1990-2002 J.Paul Robinson, Purdue University BMS 631 – LECTURE006.PPT
Dichroics
•They used to direct light in
different spectral region to different detectors.
•They are interference filters , long pass or short
pass.
•"dichroic" Di- is Greek for two, and -chroic is Greek for color - from Greek dikhroos,
bicolored