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Reference signal filter for interferometric system
专利权人:
Joshua Noel Hogan
发明人:
Joshua Noel Hogan
申请号:
US16001787
公开号:
US20180328712A1
申请日:
2018.06.06
申请国别(地区):
US
年份:
2018
代理人:
摘要:
The invention provides a method and apparatus for applying spatial filtering the optical beam of a free space optical coherence tomography (OCT) system substantially without problematic reflections back to the optical source. The invention teaches spatially filtering the reference beam of the OCT system which is typically designed to provide isolation of the optical source from undesirable optical feed-back, thereby achieving spatial filtering without generating undesirable reflections back to the optical source. Various embodiments are taught.
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