Patent ID: 9593934
Date: 2017-03-14
CPC Classifications: A61B,G01B,G01N,H01S

Claim:
1. An optical coherence analysis system comprising: a first swept source that generates a first optical signal that is tuned over a first spectral scan band, the first swept source including a first semiconductor optical amplifier and a first tunable filter for tuning light from the first semiconductor amplifier over the first spectral scan band; a second swept source that generates a second optical signal that is tuned over a second spectral scan band, the second swept source including a second semiconductor optical amplifier and a second tunable filter for tuning light from the second semiconductor amplifier over the second spectral scan band; a combiner for combining the first optical signal and the second optical signal to form a combined optical signal; an interferometer for dividing the combined optical signal between a reference arm leading to a reference reflector and a sample arm leading to a sample; a multi channel k-clock system for detecting the first optical signal and the second optical signal to generate clock signals, wherein the multi channel k-clock system receives the combined optical signal and separately detects the first optical signal with a first detector to generate a first clock and the second optical signal with a second detector to generate a second clock as the clock signals; a detector system for detecting an interference signal generated from the combined optical signal from the reference arm and from the sample arm; and an analog to digital converter system that samples the interference signal and also receives the clock signals.