Frequency-Scanning BOTDA With Ultimately Fast Acquisition Speed
A polarization-independent fast and distributed frequency-scanning Brillouin optical time-domain analysis (BOTDA) technique is presented, capable of acquiring the full Brillouin gain spectrum at a speed limited only by the fiber length and the employed frequency scanning granularity. For a 145-m lon...
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| Veröffentlicht in: | IEEE photonics technology letters 2015-07, Vol.27 (13), p.1426-1429 |
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| container_title | IEEE photonics technology letters |
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| creator | Sovran, Ido Motil, Avi Tur, Moshe |
| description | A polarization-independent fast and distributed frequency-scanning Brillouin optical time-domain analysis (BOTDA) technique is presented, capable of acquiring the full Brillouin gain spectrum at a speed limited only by the fiber length and the employed frequency scanning granularity. For a 145-m long fiber and 71 interrogating frequencies, the ultimate measurement speed of 9700 [full-fiber-Brillouin-gain-spectra]/second is demonstrated, covering a strain dynamic range of 4200 με with an accuracy of ±10 με. Dynamic measurements with a spatial resolution of 10 cm are also demonstrated by combining the technique with the double pulse pair BOTDA method. |
| doi_str_mv | 10.1109/LPT.2015.2424271 |
| format | Article |
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For a 145-m long fiber and 71 interrogating frequencies, the ultimate measurement speed of 9700 [full-fiber-Brillouin-gain-spectra]/second is demonstrated, covering a strain dynamic range of 4200 με with an accuracy of ±10 με. 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Dynamic measurements with a spatial resolution of 10 cm are also demonstrated by combining the technique with the double pulse pair BOTDA method.</description><subject>Brillouin scattering</subject><subject>Brillouin zone</subject><subject>Dynamic range</subject><subject>Frequency measurement</subject><subject>Frequency scanning</subject><subject>Gain</subject><subject>Marketing</subject><subject>nonlinear optics</subject><subject>Optical fiber polarization</subject><subject>Optical fiber sensors</subject><subject>Optical fibers</subject><subject>Probes</subject><subject>Scattering</subject><subject>Strain</subject><subject>Time domain analysis</subject><issn>1041-1135</issn><issn>1941-0174</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkDFPwzAQhS0EEqWwI7FEYmFJ8Tl27EyoFApIlYrUVoyW61zAVZq0cTLk3-OqFQO64W743tO7R8gt0BEAzR5nn8sRoyBGjIeRcEYGkHGIKUh-Hm4aboBEXJIr7zeUAhcJH5CnaYP7DivbxwtrqspV39HzfPkyjr5c-xOtytZtTYtlH02Nb6Ox3XfOu9bVVbTYIebX5KIwpceb0x6S1fR1OXmPZ_O3j8l4FtuE8TZWCTdMMLFGNGlaMKZsBhwAUOVomGEyz6lllq8FlzYppFVohMqyNGdCoEiG5OHou2vqkNe3euu8xbI0Fdad16AgpTI4yoDe_0M3dddUIZ2GVEkFnPIsUPRI2ab2vsFC75rwatNroPrQqA6N6kOj-tRokNwdJQ4R_3BJlRIqTX4BlpRvog</recordid><startdate>20150701</startdate><enddate>20150701</enddate><creator>Sovran, Ido</creator><creator>Motil, Avi</creator><creator>Tur, Moshe</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| source | IEEE Electronic Library (IEL) |
| subjects | Brillouin scattering Brillouin zone Dynamic range Frequency measurement Frequency scanning Gain Marketing nonlinear optics Optical fiber polarization Optical fiber sensors Optical fibers Probes Scattering Strain Time domain analysis |
| title | Frequency-Scanning BOTDA With Ultimately Fast Acquisition Speed |
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