Tornado’s OCTANE program is developing spectrometers-on-chip using integrated optics design and fabrication techniques instead of conventional lenses, mirrors, and gratings. Chip-based spectrometers have many advantages including smaller size, lower cost, and improved robustness, plus the use of integrated optics allows for unique ‘tricks’ to reduce artifacts and improve signal quality. Spectral domain optical coherence tomography (SD-OCT) was chosen as the first application area for OCTANE but other spectrometers-on-chip can be tailored for different spectral measurement needs. Several prototype devices have been produced but no spectrometer-on-chip products are commercially available at this time.

The OCTANE Advantages

  • Free-space performance, on-chip spectrometer
  • Small form factor
  • Extremely stable
  • Low cost
  • Customizable center wavelength and spectral range

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OCTANE scan versus competitor scan


OCTANE-860: Sample Ophthalmic OCT Configuration
Center Wavelength 860 nm
Spectral Range 70 nm
Dispersion 0.068 nm/px
Imaging Depth (tissue) 2 mm
Axial Resolution (tissue) 7 μm
Computer Interface Camera Link mini-SDR
Footprint 8.5 x 11.5 x 2.5 cm
Weight 310 g