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Multi-Quartz Enhanced Photoacoustic Spectroscopy with Different Acoustic Microresonator Configurations
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نویسنده
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zheng h. ,yin x. ,dong l. ,wu h. ,liu x. ,ma w. ,zhang l. ,yin w. ,jia s.
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منبع
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journal of spectroscopy - 2015 - دوره : 2015 - شماره : 0
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چکیده
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Acoustic microresonators were added to the recently developed multi-qtf based qepas spectrophone to enhance the signal amplitude. two kinds of on-beam configurations were experimentally investigated in detail. the developed multi-qtf based on-beam spectrophone had a signal enhancement of 1.6 times compared with the traditional single qtf based on-beam spectrophone,with the approximate noise level. a normalized noise equivalent absorption coefficient (1 σ) of 1.24 × 10-9 w·cm-1·hz-1/2 was obtained for water vapor detection at atmospheric pressure. © 2015 huadan zheng et al.
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آدرس
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state key laboratory of quantum optics and quantum optics devices,institute of laser spectroscopy,shanxi university,taiyuan,china,collaborative innovation center of extreme optics,shanxi university, China, state key laboratory of quantum optics and quantum optics devices,institute of laser spectroscopy,shanxi university,taiyuan,china,collaborative innovation center of extreme optics,shanxi university, China, state key laboratory of quantum optics and quantum optics devices,institute of laser spectroscopy,shanxi university,taiyuan,china,collaborative innovation center of extreme optics,shanxi university, China, state key laboratory of quantum optics and quantum optics devices,institute of laser spectroscopy,shanxi university,taiyuan,china,collaborative innovation center of extreme optics,shanxi university, China, state key laboratory of quantum optics and quantum optics devices,institute of laser spectroscopy,shanxi university,taiyuan,china,collaborative innovation center of extreme optics,shanxi university, China, state key laboratory of quantum optics and quantum optics devices,institute of laser spectroscopy,shanxi university,taiyuan,china,collaborative innovation center of extreme optics,shanxi university, China, state key laboratory of quantum optics and quantum optics devices,institute of laser spectroscopy,shanxi university,taiyuan,china,collaborative innovation center of extreme optics,shanxi university, China, state key laboratory of quantum optics and quantum optics devices,institute of laser spectroscopy,shanxi university,taiyuan,china,collaborative innovation center of extreme optics,shanxi university, China, state key laboratory of quantum optics and quantum optics devices,institute of laser spectroscopy,shanxi university,taiyuan,china,collaborative innovation center of extreme optics,shanxi university, China
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Authors
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