Eman Namati,Muhammad Al-Qaisi,Matthew A. Sinclair,Benedikt Graf,David Vader
申请号：
US16118513
公开号：
US10495442B2
申请日:
2018.08.31
申请国别(地区):
US
年份:
2019
代理人:
摘要：
The present disclosure provides an OCT imaging system to reduce or eliminate frequency-domain aliasing artifacts. The frequency is shifted using a carrier frequency to define a sampling range substantially centered on the carrier frequency. An image of the sample is generated from a displayed imaging range that consists of a subset of the frequencies within the sampling range. Furthermore, the system may be configured to determine the carrier frequency such that a Nyquist frequency corresponding to the shifted frequency is extended beyond either an upper or a lower bound of an OCT quality envelope corresponding to the first portion of light. Additionally, the carrier frequency may be determined such that a lower bound of the OCT quality envelope is greater or less than a zero-frequency DC limit.
