The os7500 Fabry-Perot Accelerometer Overview and Guidelines for Use
■The os7500 accelerometer from Micron Optics is a special type of Fabry-Perot (F-P) sensor, consisting of an optical cavity that is coupled to a spring-mass system that deflects under an applied acceleration. Each os7500 has a special narrow wavelength range that it responds to, and several such sensors can be chained together on a single optical channel to work with swept-wavelength interrogators. The os7500 also employs mechanical filtering to help reduce the effect of aliasing that is common in passive optical devices.
■The os7500 devices comprise a special design that enables each sensor to only respond to a 20nm wavelength window. Wavelengths outside of a sensor’s window are ignored and passed through from one fiber to the next in either direction. The optical response from the sensor is sent back out on the input fiber, while all wavelengths outside of the sensor’s window are passed to the second fiber with minimal loss. With this patent pending design, it is possible to string several Fabry-Perot sensors on a single interrogator channel.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2017/9/21 |
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Revision X2 |
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TN1212 |
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4.9 MB |
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