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中国激光
激光与光电子学进展
Chinese Optics Letters
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Chinese Journal of Lasers B
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高功率激光及等离子体物理研究论文集(专题)
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Matter and Radiation at Extremes
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International Journal of Extreme Manufacturing
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Journal of Semiconductors

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Early Posting
摘要
This study introduced the research into, and development of, a portable, miniaturised system for the measurement of the refractive index of sub-microlitre liquid based on a microfluidic chip. A technical method, namely, double-beam interference, was proposed for use in the measurement. Based on this, by using a laser diode as a light source, changes in refractive index were calculated by utilising a complementary metal-oxide-semiconductor (CMOS) to detect the movement of interference fringes of the liquid. Firstly, this study simulated the effects of influencing factors on the interference infringes of two Gaussian beams, such as their spot sizes, distance between two beam spots, and detection range. Secondly, this research introduced the system design and construction of the double-beam interference method and analysed the results of refractive index tests on sub-microlitre aqueous glucose solutions with different concentrations therewith. The measurement accuracy reached 10-4 RIU. This system has a compact structure and is rendered portable by using batteries for its power supply. The entire system is designed to be a double Z-shaped structure with a length of about 15 cm, a width of 5 cm, and height of about 10 cm: it can be used to measure changes in refractive index of sub-microlitre to nanolitre liquids based on the use of a microfluidic chip.
Chinese Optics Letters
2019, 17(4):
Atmospheric and oceanic optics
摘要
Chinese Optics Letters
2014, 12(s1): 010301
Imaging systems
摘要
Chinese Optics Letters
2014, 12(3): 031101
Design and analysis
Angus Macleod  
收起
摘要
Chinese Optics Letters
2013, 11(s1): 010101
Instrumentation, measurement, and metrology
摘要
Chinese Optics Letters
2013, 11(2): 021202
Physical optics
Pin Han  
收起
摘要
Chinese Optics Letters
2013, 11(12): 122601
Physical optics
摘要
Chinese Optics Letters
2013, 11(10): 102601
Physical optics
摘要
Chinese Optics Letters
2012, 10(s2): 022601
Coherence and statistical optics
摘要
Chinese Optics Letters
2012, 10(s2): 020301
Lasers and laser optics
摘要
Chinese Optics Letters
2012, 10(s1): 011409
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