Optical module for light-time domain reflectometer with wide dynamic range


Application Number: 00107854
Application Date: 2000.06.27
Publication Number: 1330265
Publication Date: 2002.01.09
Priority Information:
International: G01N21/00;H04B10/08;H04B17/00
Applicant(s) Name: Huawei Technology Co Ltd
Address:
Inventor(s) Name: Wang Yongzhong;Li Changchun
Patent Agency Code: 00000
Patent Agent:
Abstract An optical module used for the light-time domain reflectometer with wide dynamic range is composed of pulse laser transmitter and optical receiving converter. Said pulse laser transmitter consists of amplifier, several groups of analog switches and pulse laser generator. Said optical receiving converter comprises photoelectric converter, current/voltage converter, signal amplifier and high-speed A/D converter. Its advantages are monitor to weak light signals and wide dynamic range.