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A tandem-pumped Yb-doped fiber with a quantum defect of 2% generates 3% of heat. We believe this is a record-low thermal load and the first calorimetric measurement of the heat from a fiber core.
This paper describes an intelligent insulating shipping container (IISC) and the supporting backend for cold-chain logistics. Each IISC can monitor the interior temperature of the container during shipping of temperature-sensitive items and alerts the deliverer wirelessly via a Bluetooth-Smart (also called Bluetooth 4.0 Low Energy, BLE) connection on their smartmobile without infrastructure or dongle...
A study regarding the performance comparison of three different types of long distance fiber Bragg grating (FBG) sensors based on bidirectional Raman and erbium-doped fiber (EDF) amplification has been carried out to determine the most power-efficient and accurate configuration. The results of our experimentation showed that the sensor system with the EDF located prior to the Raman amplification section...
This paper reports the photoelectric property and surface morphology of amorphous titanium dioxide (TiO2) made at the different substrate temperatures by RF- sputtering on the glass. Five different temperatures (room temperature, 100degC, 200degC, 300degC and 400degC) are set on the substrate holder. The thicknesses of the film are 100 nm, 300 nm and 500 nm. After preparing amorphous TiO2 thin film,...
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