| 光谱学与光谱分析 |
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| Optical-Fiber Fourier Transform Spectrometer |
| LIU Yong, LI Bao-sheng, LIU Yan, ZHAI Yu-feng, WANG An* |
| Key Lab of Environmental Optics and Technology，Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China |
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Abstract A novel Fourier transform spectrum analyzer based on a single mode fiber Mach-Zehnder interferometer is reported. An optical fiber Fourier transform spectrometer, with bulk optics components replaced by fiber optical components and with the moving mirror replaced by a piezoelectric element fiber stretcher was constructed. The output spectrum of a LD below threshold was measured. Experiment result agrees with that by using grating spectrum analyzer, showing the feasibility of the optic fiber Fourier transform spectrometer for practical spectrum measurement. Spectrum resolution -7 cm-1 was obtained in our experiment. The resolution can be further improved by increasing the maximum optical path difference.
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Received: 2005-08-28
Accepted: 2005-11-20
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Corresponding Authors:
WANG An
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