Patent ID: 7075100

Claim:
A radiation information recording system comprising: (a) a source ( 11 ) of light ( 1 ) of a first sense; (b) an information bearing target ( 13 ) which receives said light of said first sense and in response thereto emits information bearing light ( 2 ) of a second sense together with back scatter light ( 3 ) of said first sense, wherein said light of said first sense and said information bearing light do not pass through a common refractive element having optical power; (c) means for collimating ( 12 ) said information bearing light of said second sense and said back scatter light of said first sense; (d) means for separating ( 14 ) the information bearing light of said second sense and the back scatter light of said first sense from the collimated light ( 4 ); (e) an information receiving target ( 17 ); and (f) means for focusing ( 16 ) said separated information bearing light ( 6 ) onto said information-receiving target.