PD-1001Interferometric Sensing
Description
The PD-1000 is a fringe tracking interferometer composed of a control unit that contains a stabilized laser diode source, uses a fiber optic cable for transmission and reception of the optical signal, and is independent of light amplitude. The system is compatible with a variety of interferometers, which may be configured as bulk optic devices or fiber optic devices. The system can operate with a variety of measurands where optical path length changes are caused by changes in distance or refractive index.
PD-1001Interferometric Sensing
Specifications |
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| Measurement Range: | 0.3-0.3mm |
| Measurement Resolution: | -- % |
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Frequently Asked Questions
Examples of interferometers include a non-contact probe for measurement of displacement and vibration, based on a Fizeau cavity, where the reflection from a fiber tip and that from a target interfere to give optical fringes. Refractive index changes can be monitored by using transparent cells where the medium contained in the cell changes refractive index. Strain can be measured by all-fiber interferometers, where a length of fiber in a Mach Zehnder or Michelson arrangement is stretched proportional to the strain induced by some mechanical means.
There are two modes of operation: a high-resolution mode, which tracks target motion to within 1 nanometer, and a low-resolution mode which tracks target motion to 0.4 micron accuracy. The limiting target speed in high-resolution mode is 300 microns/sec. When this tracking rate is exceeded, the unit switches to the low-resolution mode, which allows a
The PD-1001 is a fringe tracking interferometer composed of a control unit that contains a stabilized laser diode source, uses a fiber optic cable for transmission and reception of the optical signal, and is independent of light amplitude.
The power requirement for the PD-1001 Interferometric Sensing product is 117/220 V AC, 1 Amp.
The weight of the PD-1001 Interferometric Sensing product is 10 lbs.