Sensing systems using chip-based spectrometers

Arthur Nitkowski; Kyle J. Preston; Nicolás Sherwood-Droz; Bradford B. Behr; Yusuf Bismilla; Andrew T. Cenko; Brandon DesRoches; Jeffrey T. Meade; Elizabeth A. Munro; Jared Slaa; Bradley S. Schmidt; Arsen R. Hajian

doi:10.1117/12.2050549

4 June 2014 Sensing systems using chip-based spectrometers

Arthur Nitkowski, Kyle J. Preston, Nicolás Sherwood-Droz, Bradford B. Behr, Yusuf Bismilla, Andrew T. Cenko, Brandon DesRoches, Jeffrey T. Meade, Elizabeth A. Munro, Jared Slaa, Bradley S. Schmidt, Arsen R. Hajian

Author Affiliations +

Proceedings Volume 9083, Micro- and Nanotechnology Sensors, Systems, and Applications VI; 908332 (2014) https://doi.org/10.1117/12.2050549
Event: SPIE Defense + Security, 2014, Baltimore, MD, United States

Abstract

Tornado Spectral Systems has developed a new chip-based spectrometer called OCTANE, the Optical Coherence Tomography Advanced Nanophotonic Engine, built using a planar lightwave circuit with integrated waveguides fabricated on a silicon wafer. While designed for spectral domain optical coherence tomography (SD-OCT) systems, the same miniaturized technology can be applied to many other spectroscopic applications. The field of integrated optics enables the design of complex optical systems which are monolithically integrated on silicon chips. The form factors of these systems can be significantly smaller, more robust and less expensive than their equivalent free-space counterparts. Fabrication techniques and material systems developed for microelectronics have previously been adapted for integrated optics in the telecom industry, where millions of chip-based components are used to power the optical backbone of the internet. We have further adapted the photonic technology platform for spectroscopy applications, allowing unheard-of economies of scale for these types of optical devices. Instead of changing lenses and aligning systems, these devices are accurately designed programmatically and are easily customized for specific applications. Spectrometers using integrated optics have large advantages in systems where size, robustness and cost matter: field-deployable devices, UAVs, UUVs, satellites, handheld scanning and more. We will discuss the performance characteristics of our chip-based spectrometers and the type of spectral sensing applications enabled by this technology.

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Arthur Nitkowski, Kyle J. Preston, Nicolás Sherwood-Droz, Bradford B. Behr, Yusuf Bismilla, Andrew T. Cenko, Brandon DesRoches, Jeffrey T. Meade, Elizabeth A. Munro, Jared Slaa, Bradley S. Schmidt, and Arsen R. Hajian "Sensing systems using chip-based spectrometers", Proc. SPIE 9083, Micro- and Nanotechnology Sensors, Systems, and Applications VI, 908332 (4 June 2014); https://doi.org/10.1117/12.2050549

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KEYWORDS

Spectrometers

Optical coherence tomography

Integrated optics

Waveguides

Imaging systems

Spectroscopy

Photonic integrated circuits

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