We proposed a configuration for phase spectrum measurement in Brillouin optical time-domain analysis enhanced by distributed Brillouin amplification, where the parallel demodulation of frequency-comb pump can be realized. ~98.9 km sensing distance was achieved.
© 2019 The Author(s)
You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.
Contact your librarian or system administrator
Login to access OSA Member Subscription