4 March 2014 On-chip spectrometer for low-cost optical coherence tomography
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Abstract
Tornado Spectral Systems has developed a new spectrometer called OCTANE, the Optical Coherence Tomography Advanced Nanophotonic Engine, consisting of chip-based spectrometers for spectral domain optical coherence tomography (SD-OCT) systems. These devices include planar lightwave circuits with integrated waveguides fabricated on a planar silicon substrate. Our commercial prototypes include a NIR system centered at a wavelength of 860 nm, a spectral bandwidth of 70 nm, and 2048 output channels to record TE and TM polarizations independently at an 80 kHz line scan rate. Intended to support low-cost, high-volume applications, these spectrometers are well-suited to SD-OCT for both biological and industrial non-destructive testing applications.
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Arthur Nitkowski, Kyle Preston, Nicolás Sherwood-Droz, Bradley S. Schmidt, Arsen R. Hajian, "On-chip spectrometer for low-cost optical coherence tomography", Proc. SPIE 8934, Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XVIII, 89340F (4 March 2014); doi: 10.1117/12.2037352; https://doi.org/10.1117/12.2037352
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