Study material for Technologies for Sensors and Clinical Instrumentation, shared by the Studwiz community and reviewed by moderators.
Study material for Technologies for Sensors and Clinical Instrumentation, shared by the Studwiz community and reviewed by moderators.
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Grade of written test: Final grade: Grade of project: Signature: Technologies for Sensors and Clinical Instrumentation 20 July 2015 FAMILY NAME ……………………….… NAME ….…………………. MATR ………… PREFERENCE for ORAL: 22 July (morning) 23 July (morning) 24 July (morning) 24 July (afternoon) next calls Notes: - Answers are considered complete only if units of measurement are indicated. - Only answers on printed sheets are considered for evaluation. Q.1) (5 points) …/2 - 1.a) Describe the working principle of Fiber Bragg grating sensors. Define the relationship between the Bragg wavelength ߣ, the effective refractive index of the fiber core ݊ and the spatial period of the grating ߉ . ..……………………………………………………………………………………………………… ..……………………………………………………………………………………………………… ..……………………………………………………………………………………………………… ..……………………………………………………………………………………………………… ..……………………………………………………………………………………………………… ..……………………………………………………………………………………………………… ..……………………………………………………………………………………………………… ..……………………………………………………………………………………………………… ..……………………………………………………………………………………………………… ..……………………………………………………………………………………………………… 1 - 1.b) Describe how the shift in Bragg wavelength is related to the strain ߝand temperature change ܶ .ܲ is the strain-optic coefficient and Ϛ the thermo-optic coefficient. ……………………………………………………………………………………………………….. ……………………………………………………………………………………………………….. ……………………………………………………………………………………………………….. ……………………………………………………………………………………………………….. ……………………………………………………………………………………………………….. ……………………………………………………………………………………………………….. ……………………………………………………………………………………………………….. ……………………………………………………………………………………………………….. ……………………………………………………………………………………………………….. ……………………………………………………………………………………………………….. A common treatment for atrial fibrillation is radiofrequency (RF) ablation, but in some case…
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