OPTICAL DISTRIBUTED SENSOR INTERROGATOR
(Models ODiSI A10 and A50)
www.lunainc.com
3157 State Street | Blacksburg, VA 24060
Support phone: 1.866.586.2682
KEY FEATURES AND PRODUCT HIGHLIGHTS
• Reduce material costs with inexpensive optical fiber
sensors
• Save time and labor by instrumenting many sensing
locations using a single optical fiber
• Interrogate entire fiber and all sensing locations with a
single scan
• Control sensor locations and gage lengths in software
• Measure temperature or strain with a single fiber
• Realize industry-leading measurement range and
repeatability with extraordinary spatial resolution
• Measurement ranges of ± 13,000 µStrain, -50 to
300 °C
• Repeatability of ± 2 µStrain, ± 0.2 °C
• Sub-centimeter spatial resolution
• Maximum sensing length of 50 meters
The Luna ODiSI A saves test time and cost while
adding an unprecedented spatial resolution to sensing
measurements. Utilizing swept-wavelength
interferometry, the ODiSI A simultaneously interrogates
thousands of sensing locations along a single
unaltered, inexpensive optical fiber. With a 50 meter
maximum sensing length and sub-centimeter spatial
resolution, the ODiSI A is the paramount tool for a
variety of applications.
APPLICATIONS
• Load, fatigue, and mechanical testing
• Composite manufacturing and engineering
• Embedded sensing
• Temperature profile characterization
• Structural Health Monitoring
• Model and simulation validation
Demonstration of the ODiSI A recording distributed strain of an
optical fiber bonded to the top and bottom surfaces of a
cantilevered aluminum beam. Shown above with sensor spacing of
5 mm, each sensor with a 1-cm gage length.
The Luna ODiSI A (Optical Distributed
Sensor Interrogator) delivers fully distributed
strain and temperature measurements with
sub-cm spatial resolution.
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