公开(公告)号：US3571607A

公开(公告)日：1971-03-23

申请号：US3571607D

申请日：1968-11-05

Applicant: BELL TELEPHONE LABOR INC

Inventor： GIORDMAINE JOSEPH A ,  SHAPIRO STANLEY L

IPC: H01S3/30 ,  H03F7/00

CPC classification number: H01S3/30

Abstract: The invention includes an elongated Raman active medium having total internal reflection means along its longitudinal dimension. Optical pumping is by pulses of duration of the order of several picoseconds or less made incident upon one end of the medium and direction along the longitudinal axis thereof. The Raman emission inherently traverses a zigzag path within the medium at an angle such that the group velocity of the Raman and pump pulses is matched, i.e., differences in group velocity of the pump and Raman radiation due to the dispersion of the medium are compensated for.