Title:
LIGHT TRANSMITTING AND RECEIVING DEVICE FOR FIBER OPTIC-SENSOR SYSTEM
Document Type and Number:
Japanese Patent JPS5950333
Kind Code:
A
Abstract:
A transmission and reception device for a fiber-optical sensor system functioning with two wavelengths is disclosed wherein light of a first wavelength and light of a second wavelength are supplied over in-coupling fibers of a fiber-optical brancher to a fiber path of the sensor system and wherein light returning over the fiber path is supplied over an out-coupling fiber of the brancher to an evaluation means. The brancher is designed such that the greatest part of the returning light is coupled out over the out-coupling fiber. Two advantageous embodiments of such a brancher are disclosed, the one being designed in the form of a non-frequency-selective, asymmetrical quad-gate brancher and the other being designed in the form of a frequency-selective, five-gate brancher.
Inventors:
GERUHARUTO UINTSUAA
HANSU MAARAIN
HANSU MAARAIN
Application Number:
JP14789283A
Publication Date:
March 23, 1984
Filing Date:
August 12, 1983
Export Citation:
Assignee:
SIEMENS AG
International Classes:
G01J1/02; G01D5/353; G01M11/00; G02B6/34; (IPC1-7): G01J1/00; G01M11/00
Domestic Patent References:
| JPS554011A | 1980-01-12 | |||
| JPS5217837A | 1977-02-10 | |||
| JPS5387243A | 1978-08-01 |
Attorney, Agent or Firm:
Tomimura Kiyoshi