公开(公告)号：US3636354A

公开(公告)日：1972-01-18

申请号：US3636354D

申请日：1970-03-23

Applicant: BELL TELEPHONE LABOR INC

Inventor： LEHENY ROBERT FRANCIS ,  SHAY JOSEPH LEO

IPC: G02F1/35 ,  H01L21/00 ,  H01L31/00 ,  H01S3/00 ,  G01J5/28 ,  G01J5/20

CPC classification number: H01S3/0014 ,  G02F1/3523 ,  H01L21/00 ,  H01L31/00

Abstract: There is disclosed a detector for near-infrared radiation employing a single crystal of cadmium tin phosphide, which is provided with electrodes and doped so that its effective bandgap at room temperature coincides in wavelength with the wavelength of the coherent light output of a neodymium ion solid-state laser. Photoconductive, PN junction-type, and barrier-layer-type detectors are disclosed. A modified device is useful as a saturable absorber for near-infrared light.