Local temperature determination in power loaded surface acoustic wave structures using Raman spectroscopy

2013 ◽  
Vol 114 (16) ◽  
pp. 164317 ◽  
Author(s):  
M. Spindler ◽  
B. Uhlig ◽  
S. B. Menzel ◽  
C. Huck ◽  
T. Gemming ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Acoustic Wave ◽  
Surface Acoustic Wave ◽  
Local Temperature ◽  
Temperature Determination ◽  
Loaded Surface

Passive Impedance-Loaded Surface Acoustic Wave (SAW) Sensor for Soil Condition Monitoring

2020 ◽  
Author(s):  
Jian Chu ◽  
Ioana Voiculescu ◽  
Ziqian Dong ◽  
Fang Li
Keyword(s):  
Acoustic Wave ◽  
Surface Acoustic Wave ◽  
Condition Monitoring ◽  
Low Cost ◽  
Soil Condition ◽  
Nutrient Sensing ◽  
Soil Conditions ◽  
Large Area ◽  
Saw Sensor ◽  
Loaded Surface

Abstract This paper presents an innovative system to monitor the physical soil conditions needed for modern agriculture. The current technique to measure soil properties relies on taking samples from place to place and takes them for laboratory testing. To build up and monitor a data-based system for a large area, such a method is costly and time-consuming. This paper reported our recent work on the development of a passive impedance-loaded surface acoustic wave (SAW) sensor for a low-cost soil condition monitoring system. The SAW sensor will eventually be connected to an antenna and a impedance-based sensor for autonomous soil nutrient sensing. In this research, first, the coupling-of-modes (COM) analysis was performed to simulate the SAW device. The sensors were fabricated with E-beam lithography techniques and tested with different external load resistances. We investigated how the sensor signal changed with the external resistance loading. The experimental results were verified by comparing them with simulation results.

Tip-enhanced THz Raman spectroscopy for local temperature determination at the nanoscale

2015 ◽  
Vol 407 (27) ◽  
pp. 8205-8213 ◽  
Author(s):  
Maria Vanessa Balois ◽  
Norihiko Hayazawa ◽  
Francesca Celine Catalan ◽  
Satoshi Kawata ◽  
Taka-aki Yano ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Local Temperature ◽  
Temperature Determination

STUDY OF DEFECTS IN a-Ge AND a-GeHxUSING SURFACE ACOUSTIC WAVE TECHNIQUE

1981 ◽  
Vol 42 (C4) ◽  
pp. C4-365-C4-368
Author(s):  
K. L. Bhatia ◽  
M.v. Haumeder ◽  
S. Hunklinger
Keyword(s):  
Acoustic Wave ◽  
Surface Acoustic Wave ◽  
Wave Technique

Powder Transport by Surface Acoustic Wave Actuator using Bragg Reflection

2014 ◽  
Vol 134 (12) ◽  
pp. 1934-1935
Author(s):  
Tsunemasa Saiki ◽  
Yuya Matsui ◽  
Yasuto Arisue ◽  
Yuichi Utsumi ◽  
Akinobu Yamaguchi
Keyword(s):  
Acoustic Wave ◽  
Surface Acoustic Wave ◽  
Bragg Reflection
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