The role of narrowband filtering in improving signal-to-noise ratio of ghost imaging with thermal light background
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⚛️ physics.optics
keywords
backgroundghostimaginglightlimitratiosignalsignal-to-noise
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In ghost imaging with narrow-band signal in thermal light background, signal arm filters bring higher value and upper limit of signal-to-noise ratio (SNR), and faster speed to reach that limit. The narrower bandwidth, the better.
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