Presentation | 1994/11/17 Optical Coherence Domain Reflectrometry by Synthesis and Scan of Coherence Function : Improvement by precise synthesis of coherence function Takashi Saida, Kazuo Hotate, |
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Abstract(in English) | The coherence function can be synthesized by the direct frequency modulation of a laser diode.Using this technique,we have proposed a new reflectometry,Optical Coherence Domain Reflectometry by Synthesis of Coherence Function(OCDR),without mechanical moving parts nor calculation.Recently,we found that the coherence function is scanned by the phase modulation of the reference light wave in the interferometer,and proposed a higher- performance reflectometry,phase modulating OCDR(p-OCDR),than usual OCDR,and made both theoretical and experimental study of p-OCDR.In this report,we report a novel method to meausre the relationship between the injection current amplitude and the oscillation frequency of the laser diode.Compensating the nonlinearity between the injection current amplitude and the oscillation frequency of the laser diode obtained this method,1.8 mm-spatial resolution was achieved by p-OCDR. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | coherence function / reflectometry / optical sensor / p-OCDR / phase modulation |
Paper # | OCS94-55,OPE94-78 |
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Conference Information | |
Committee | OCS |
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Conference Date | 1994/11/17(1days) |
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Registration To | Optical Communication Systems (OCS) |
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Language | JPN |
Title (in Japanese) | (See Japanese page) |
Sub Title (in Japanese) | (See Japanese page) |
Title (in English) | Optical Coherence Domain Reflectrometry by Synthesis and Scan of Coherence Function : Improvement by precise synthesis of coherence function |
Sub Title (in English) | |
Keyword(1) | coherence function |
Keyword(2) | reflectometry |
Keyword(3) | optical sensor |
Keyword(4) | p-OCDR |
Keyword(5) | phase modulation |
1st Author's Name | Takashi Saida |
1st Author's Affiliation | RCAST,Research Center for Advanced Science and Technology,The University of Tokyo() |
2nd Author's Name | Kazuo Hotate |
2nd Author's Affiliation | RCAST,Research Center for Advanced Science and Technology,The University of Tokyo |
Date | 1994/11/17 |
Paper # | OCS94-55,OPE94-78 |
Volume (vol) | vol.94 |
Number (no) | 335 |
Page | pp.pp.- |
#Pages | 6 |
Date of Issue |