Nano Science and Technology Institute
Nanotech 2014 Vol. 2
Nanotech 2014 Vol. 2
Nanotechnology 2014: MEMS, Fluidics, Bio Systems, Medical, Computational & Photonics
Chapter 7: Photonic Materials & Devices

On-chip spectrometer for low-cost optical coherence tomography

Authors:A. Nitkowski, K. Preston, N. Sherwood-Droz, B. Schmidt, A. Hajian
Affilation:Tornado Spectral Systems, US
Pages:435 - 438
Keywords:spectrometer, planar lightwave circuit, waveguide, optical coherence tomography
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 860 nm, a bandpass of 70 nm, and 2048 output channels that can 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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