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High Temperature Operation of Gimbal-less Two Axis Micromirrors

机译:高温轴的两个轴微镜的高温操作

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We demonstrate seamless operation of gimbal-less two axis micromirror devices at high temperatures up to 200°C by characterizing the temperature stability of the mirror tilt angle and first resonant mode. The ability to provide a repeatable, high temperature vector or raster scanning micromirror opens up opportunities for ruggedized products in extreme environments. This capability is also relevant in high incident optical power applications, where energy is absorbed at the mirror. A first order thermal model is presented that allows the temperature rise of mirrors under high optical power operation to be estimated.
机译:我们通过表征镜子倾斜角度和第一谐振模式的温度稳定性,在高温下的高温下展示万向节的两个轴微镜器件的无缝操作。提供可重复,高温载体或光栅扫描微镜的能力在极端环境中为粗糙化产品开辟了机会。这种能力在高入射光电源应用中也是相关的,其中能量在镜子处被吸收。提出了一种第一阶热模型,其允许估计在高光功率操作下镜子的温度升高。

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