Thermal emitters play a key role in controlling the thermal radiation emitted thermophotovoltaic systems and increasing their energy conversion efficiency. Here, we present different designs of with spectrally selective properties, based on easy-to-fabricate multilayer structures characterized by sharp transition from high to low emissivity region interest. Those make use refractory materials a...

Accurate temperature control is crucial for the reliable operation of photonic integrated circuits in the presence of internal thermal crosstalk or external thermal disturbance. We propose an adaptive multiple-input and multiple-output (MIMO) control scheme to stabilize the operation wavelength of on-chip wavelength demultiplexers that have many applications in photonic-chip-based optical signa...

The effect of intelligent semi-active thermal exchange-fuzzy controller in structural rehabilitation by attenuating seismic responses of structural systems is investigated. In the suggested control system, MR dampers and sensors are employed as a semi-active controller. Resultant control forces of MR damper are administrated by providing external voltage supply, during the earthquakes and high ...

A portable thermal chamber with a volume of only 2.5 l capable of reaching temperatures over the −5C to 70C range was designed and constructed. In order to make the thermal chamber lightweight and portable, two series connected thermoelectric modules were used as actuators since their size and performance characteristics allow the portability and precise temperature control. The PID control pro...