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With the rapid development of modern science and technology, the surface plasma resonance (Surface Plasmon Resonance SPR) optical fiber sensors are widely used in various types of measurement and sensing of biological and chemical, and surface plasma resonance sensor has an optical fiber renewable, and advantages of the ability to timely and dynamic measurements, plus fiber itself small size, light weight, but also with bendable, produced surface plasma resonance fiber optic sensors have very small sensing area , it is suitable for small sample volume measurement.
In this paper, by sputtering gold on the side throwing Surface plasma resonance (Surface Plasmon Resonance SPR) based fiber optic sensors, then explore if other sputtering material, can be achieved with the resultant sputtering gold SPR or close to the same effect. Surface plasma resonance fiber optic sensors possess many advantages, both in size, weight, range of applications, are very good, but generally sputtered gold surface plasma resonance fiber optic sensor is the use of gold as a sputtering materials, the price of gold is the most expensive of all sputtering target, so if it is to make gold by sputtering surface plasma resonance fiber optic sensor, a disadvantage is that it is the target consumption cost is relatively high, while the price of aluminum relatively low, so I want to sputter aluminum as a material to try to produce the same effect, or its surface plasma resonance (surface Plasmon resonance SPR) acceptable range of fiber optic sensors can be used, thereby reducing the production of surface potential study plasma resonance production cost of optical fiber sensors.
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