Michael J. Eberle,Howard Neil Rourke,Diana Margaret Tasker
申请号：
US14104069
公开号：
US20140316281A1
申请日:
2013.12.12
申请国别(地区):
US
年份:
2014
代理人:
摘要：
An optical source can generally provide optical energy having phase noise. Such phase noise, when demodulated using an intravascularly-deliverable optical fiber transducer, can be indistinguishable from a signal of interest. Apparatus or techniques can include using one or more of a reference optical cavity or a delay line, such as to obtain information indicative of the phase noise of the optical source. Such information can then be reduced or suppressed from other information obtained from the intravascularly-deliverable optical fiber transducer, such as to improve a signal-to-noise (SNR) ratio of a sensing system including the intravascularly-deliverable optical fiber transducer.
