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Magnetic colloids with nanoparticles inside have been successfully fabricated by laser ablation of a cobalt target immersed in solutions, using an Nd:YAG laser at wavelengths of 532 and 1064 nm. The liquid environment allows formation of the colloids with nanoparticles in uniform particle diameters. Influences of the laser wavelengths and different solutions on efficiency of particle formation were studied. The magnetic properties of the cobalt nanoparticles inside the colloids generated were also investigated. Using proper parameters, this method provides a convenient Jordan Retro 5 way for fabricating magnetic fluid as well Air Jordan Retro Canada as metal nanoparticles.
We demonstrate a high precision simultaneous temperature and strain measurement by means of polarization sensitive optical frequency domain reflectometry (OFDR). In the measurement, a high birefringence polarization maintaining (PM) fiber was used as sensor. It was confirmed that the thermal and strain coefficients of birefringence in PM fiber were position-dependent parameters, which can be used to compensate the errors of temperature and strain measurement. High Nike Air Jordan Shoes accuracy simultaneous measurement of temperature and strain within errors 0.8 °C and 7 με was achieved with spatial resolution of 6.5 mm over 170 m fiber in this report.