A minimally invasive in-fiber Bragg grating sensor for intervertebral disc pressure measurements
...optical coupler (Blue Road Research, Gresham OR),
an optical spectrum analyzer (OSA) (ANDO AQ6331 , Tokyo
JP), a... ...3 MPa to 0 MPa (as reported by
the reference transducer) using a manual hydraulic pump
An in-fiber Bragg grating sensor for contact force and stress measurements in articular joints
Contact forces were applied by compressing a calibrated
spring with a manual screw-follower (not shown). Bragg wavelength shifts
were measured using an optical spectrum analyzer (ANDO AQ6331 , Tokyo, Japan) as described below.
Structural Health Monitoring 2009
In the second configuration, the optical interrogator was replaced by the Ando Aq6331 Optical Spectrum Analyzer (OSA... ...using OSA to capture the signal spectrum, specimens were loaded in tension in manual force-controlled mode.
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Test Equipment Manuals Ando AQ6331 Optical Spectrum Analyzer .
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ANDO AQ6331 spectrum analyzer and ASE laser are
employed to monitoring the FBG spectra change [8, 9]. ...main screen is the key part of the whole design, includes automatic / manual settings, the motor...
Processing and Fabrication of Advanced Materials
...a) reflection spectra from the FBGs were measured by an optical spectrum analyzer ( AQ6331 , ANDO Electric Co... ...chopped into short lengths about 2mm to insure an easy blending for both manual and twin-screw...
New Trends in Structural Health Monitoring
...P-3500 strain indicator and the FBG was hooked up to an Ando AQ6331 OSA, JDS Uniphase... Three stiﬀened panels with co-cured stiﬀener webs were manufactured by
means of manual lay-up and...