Abstract
We present measured optical absorptivity, emissivity, and maximum solar-heated temperatures for micropatterned molybdenum. The molybdenum samples were fabricated using laser micromachining and characterized using an integrating sphere and an infrared microscope. In-air solar simulator-heated temperature results for the molybdenum samples with different microstructures are presented, and COMSOL modeling is then used to predict in-vacuum maximum temperatures. A vacuum chamber was developed to reduce the convection heat loss with a mount designed to minimize conduction loss, and a maximum measured temperature of 413°C was obtained.
Original language | English |
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Article number | 024503 |
Journal | Journal of Photonics for Energy |
Volume | 10 |
Issue number | 2 |
Early online date | 18 May 2020 |
DOIs | |
Publication status | E-pub ahead of print - 18 May 2020 |
Research Groups and Themes
- Photonics and Quantum
Keywords
- solar
- energy
- absorption
- heat transfer
- molybdenum
- micro-patterned