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[期刊论文] 作者:WeiguangMa,LeiDong,WangbaoYin,ChangyongLi,SuotangJia, 来源:ChineseOpticsLetters 年份:2004
The frequency of an external-cavity diode laser has been stabilized to 1.637 μm by using the reference of absorption lines of methane. The method can be applied to wavelength division multiplexed optical communication, fiber-optic sensing ......
[期刊论文] 作者:WeiguangMa,LeiDong,WangbaoYin,LinfengLi,LeiZhang,SuotangJia, 来源:ChineseOpticsLetters 年份:2005
An external-cavity diode laser (ECDL) has been used to investigate pressure-induced self-broadening as well as frequency shift of 2ν3 band R9 manifold of methane. A phase sensitivity detection technology has been employed to determine the ......
[期刊论文] 作者:WangbaoYin,WeiguangMa,LirongWang,JianmingZhao,LiantuanXiao,SuotangJia, 来源:ChineseOpticsLetters 年份:2004
A design and testing of a cost-effective distributed optical remote sensing methane system, which will help one to detect gas leaks from multi-coal face in mines simultaneously, is presented. The fundamentals of the remote detection are bas......
[期刊论文] 作者:LiantuanXiao,JianmingZhao,WangbaoYin,YantingZhao,BernardJournet,SuotangJia, 来源:ChineseOpticsLetters 年份:2003
The wavelength modulation indices are measured based on harmonic amplitude ratio of 4f_(amp)/6f_(amp) (4f_(amp) and 6f_(amp) are the 4- and 6-th harmonic central peak amplitudes correspondingly) with the Doppler-free selective reflection mo......
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