Patent ID: 8944604
Filing Date: 2015-02-03
Classification: F21V,G02B,G03B

Abstract:
1. A method comprising: providing a first light source and a second light source; providing a first polarizing beam device (PBS) adjacent the first light source and a second PBS adjacent the second light source; providing a first fly's eye lens between the first light source and the first PBS; providing a first pre-polarizer lens between the first fly's eye lens and the first PBS: providing a second fly's eye lens between the second light source and the second PBS: providing a second pre-polarizer lens between the second fly's eye lens and the second PBS; providing a first imaging device adjacent the first PBS and a second imaging device adjacent the second PBS; providing a third PBS disposed between the first PBS and the second PBS; providing a minor adjacent the third PBS; emitting a first light from the first light source; reflecting the first light with the first PBS onto the first imaging device; and, reflecting the first light off of the first imaging device to the third PBS.