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MEMS-FPI spectroscopic module



Compact module with MEMS-FPI spectrum sensor and light source (1750 to 2150 nm)


This compact module has a built-in light source, control circuit, and MEMS-FPI spectrum sensor consisting of an InGaAs PIN photodiode and MEMS-FPI (Fabry-Perot Interferometer) tunable filter which can vary its transmission wavelength by changing the applied voltage. Spectrum and absorbance can be measured by connecting a PC via USB. The product includes evaluation software with functions for setting measurement conditions, acquiring and saving data, drawing graphs, and so on. Furthermore, the dynamic link library (DLL) function specifications are disclosed, so users can create their original measurement software programs.


-Compact, thin case
-MEMS-FPI spectrum sensor and light source are installed.
-External power supply not necessary: USB 2.0 bus powered
-Transmission wavelength shift due to the ambient temperature change is corrected.
-High-speed measurement

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Measurement examples

Spectral measurement of plastics

Spectral measurement of textiles


Built-in sensor (MEMS-FPI spectrum sensor) C14273
Spectral response range 1750 to 2150 nm
Spectral resolution (FWHM) max. 22 nm
Wavelength reproducibility ±2 nm
Wavelength temperature dependence max. ±0.1 nm/℃

Dimensional outline (unit: mm)


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