FIELD: instrument engineering.
SUBSTANCE: device comprises a semiconductor laser, an interferometric sensor equipped with a sensitive membrane, a fiber-optic splitter of the single mode optical fibers, two photodetectors, an electrical signal amplifier, two automatic regulators, a thermostatic Peltier element thermally coupled to the semiconductor laser and the registration element.
EFFECT: compensation of changes in the radiation power of semiconductor laser.
2 dwg, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| FIBER-OPTIC SENSOR SYSTEM | 2004 |
|
RU2279112C2 |
| FIBER-OPTICAL SENSOR SYSTEM | 2006 |
|
RU2305253C1 |
| OPTICAL MICROPHONE AND METHOD OF MANUFACTURING OF ITS SOUND-SENSITIVE MEMBRANE | 2008 |
|
RU2365064C1 |
| DISTRIBUTED FIBRE-OPTIC SYSTEM OF VIBROACOUSTIC SIGNALS REGISTRATION | 2011 |
|
RU2485454C2 |
| FIBRE-OPTIC QUANTUM COMPUTER (VERSIONS) | 2023 |
|
RU2813708C1 |
| METHOD OF ESTIMATION OF VIBRATION OR ACOUSTIC SIGNALS ALONG THE EXPANSION OF OBJECTS ON THE BASIS OF THE FIBER OPTIC COHERENT REFLECTOMETER WITH THE AMPLITUDE AND PHASE MODULATION OF THE PROBING RADIATION | 2016 |
|
RU2624594C1 |
| FIBRE-OPTIC DEVICE FOR MEASUREMENT OF ELECTRIC FIELD INTENSITY | 2013 |
|
RU2539130C1 |
| METHOD AND DEVICE FOR PRECISION LASER-INTERFERENCE MEASUREMENT OF DISTANCES AND DISPLACEMENTS | 2019 |
|
RU2721667C1 |
| METHOD FOR CONTROLLING SIGNAL PARAMETERS OF FIBRE-OPTIC INTERFEROMETRIC PHASE SENSOR WITH ADJUSTABLE OPTICAL RADIATION SOURCE | 2015 |
|
RU2595320C1 |
| FIBRE-OPTICAL PRESSURE INDICATOR | 0 |
|
SU1739228A1 |
