National Changhua University of Education Institutional Repository : Item 987654321/1584
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题名: “Optimization and comparison of photonic crystal resonators for silicon microcantilever sensors,”
作者: T. T. Mai;F. L. Hsiao;W. Xiang;C. Lee;C. C. Chen;W. K. Choi
贡献者: 光電科技研究所
关键词: MEMS
NEMS
Photonic crystal resonator
Nano-ring
Nanomechanical sensor
Microcantilever
日期: 2009
上传时间: 2010-11-10T07:38:04Z
摘要: Microcantilever sensors have been known as a fundamental design used in force sensors, strain sensors and biochemical sensors. The fast-growing applications in nanoelectromechanical systems (NEMS) lead to strong demands in new sensing mechanism in order to downsize the sensing elements to nanometer scale. Photonic crystal (PC) based resonators have been investigated as promising solutions because the bandgap structure and resonator characteristics are extremely sensitive to the deformation and position shift of holes in PC resonators. In addition to the well-known nano-cavity resonator (NCR), we proposed hexagonal nano-ring resonators (NRR) of two different layout configurations. When a microcantilever under different force loads, both of the resonant wavelength and the resonant wavelength shift can be measured as a linear function of force load. The linear relationship between wavelength shifts and strain is observed as well. The minimum detectable force and detectable strain for NRR configuration 1 is derived as small as 0.0757 μN and 0.0023%. The outstanding sensing capability renders PC resonators as a promising nanomechanical sensing element to be integrated in various transducers for NEMS applications.
關聯: accepted by Sensors and Actuators A
显示于类别:[光電科技研究所] 期刊論文

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