Changes for page Integrated Distributed Acoustic Sensing (iDAS)
Last modified by robert on 2024/05/17 16:52
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... ... @@ -205,12 +205,63 @@ 205 205 [[image:1706508500303-165.png]] 206 206 207 207 208 +=== **Detailed Parameter Information** === 208 208 210 +1. **Time Decimation and Output Decimation:** 211 +1*. These values are calculated based on the physical fiber length. 212 +1. **Measure Length (m):** 213 +1*. Generated value: 10176 meters. 214 +1*. Note: 'Measure Length' includes the reference fiber inside the iDAS unit, differentiating it from 'Physical Fibre Length'. 215 +1. **Pulse Width (ns):** 216 +1*. Generated value: 50 nanoseconds. 217 +1*. Spatial Extent: A 50ns pulse corresponds to a 10m spatial extent. 209 209 210 210 220 +[[image:1706508761205-307.png]] 211 211 212 212 213 213 224 + 225 + 226 +=== **Optimal Light Management** === 227 + 228 +* **Objective:** Achieve balanced light distribution across the region of interest in the iDAS system. 229 + 230 +=== **Adjustment Guidelines** === 231 + 232 +1. **Setting Optical Power:** 233 +1*. Aim to have the start of the region of interest around or below +4000 units. 234 +1*. Ensure the far end of the region of interest does not enter a non-linear response scheme. 235 +1. **Consideration for Short Fibers:** 236 +1*. In cases where the fiber length is short and non-linear effects are not observed, set the Optical Power to its maximum. 237 +1*. **Power Scale:** The adjustment slider ranges from 0-100, representing the percentage of maximum power available. 238 + 239 +=== **Note on Optical Power Control** === 240 + 241 +* **Control Mechanism:** The slider provides a precise control mechanism to manage the intensity of light sent through the fiber. 242 +* **Monitoring and Adjustment:** Continuously monitor and adjust as necessary to ensure optimal performance. 243 + 244 + 245 + 246 + 247 + 248 + 249 + 250 + 251 + 252 + 253 + 254 + 255 + 256 + 257 + 258 + 259 + 260 + 261 + 262 + 263 + 264 + 214 214 === [[image:1706506304897-924.png]] === 215 215 216 216 [[image:1706506500585-231.png]]
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