Description
The fNIRS (Functional Near-Infrared Spectroscopy) sensor is an easy-to-use sensor that employs two emitting LEDs—one in the red and one in the infrared spectral range—to measure the reflection of red and infrared light in cortical tissue.
It provides a non-invasive method for estimating local blood oxygenation, gathering information about the activity of perfused tissue, such as for measuring and tracking the activity of a specific brain region by acquiring oxygenation fluctuations. The sensor is primarily designed for forehead measurements.
The light reflected by each of these LEDs is captured by a photodiode, and this current is subsequently converted into a digital value transmitted via SPI. In addition, the acquired sensor data can be used to determine heart rate.
This sensor was developed in collaboration with the research and development company Charles River Analytics to offer a new, miniaturized fNIRS sensor that enables the acquisition of high-quality data in brain activity tracking applications while limiting costs to a fraction of those of current systems.
Features:
- Adjustable LED brightness
- Accurate signal acquisition on the forehead
- Pre-conditioned digital output
- High signal-to-noise ratio
- Versatile design
- Medical-grade raw data output
Specifications:
- Dual LED illumination: 1 red and 1 infrared LED
- Red LED wavelength: 660 nm
- Infrared LED wavelength: 950 nm
- Detector sensitivity: 400 nm–110 nm (max. at 920 nm)
- Resolution: 24-bit
- Sampling rate: 500 Hz
- Cable length: 100 cm ± 0.5 cm (customizable; additional costs may apply)
- Connector type: UC-E6 (male connector; must be connected to a biosignalsplux acquisition unit)
- Compatibility:
This sensor is only compatible with the biosignalsplux acquisition system
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This depends on where you are located. Once the order has been handed over to UPS, the delivery time in Germany is approx. 2-3 days, within Europe approx. 1 week.
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