頁籤選單縮合
題 名 | A Review of Problem-base Learning for IT Education |
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作 者 | 江啟忠; | 書刊名 | 東南學報 |
卷 期 | 30 民95.06 |
頁 次 | 頁23-34 |
分類號 | 312 |
關鍵詞 | |
語 文 | 英文(English) |
英文摘要 | Abstract We present a novel WDM (wavelength division multiplexing) fiber laser with FLM-Grating (fiber loop mirror grating) cavity for dynamic polarization measurements, in which a SOA (semiconductor optical amplifier) is used as the source for FLM-Grating cavity output. Inserting five Gratings into the AWG (Array waveguide grating) system ensures that the output spectrum do not decay in intensity. The PC (polarization controller) can compensate the output uneven polarization states. Output measurements of a hard target for fiber laser power using OSA (optical spectrum analyzer) and polarimeter show that the system is able to improve the spectrum intensity in the range of -38.63dBm to -8.97 dBm with a worst case error of ±0.75 dBm. |
本系統中英文摘要資訊取自各篇刊載內容。