RGB-ER-CL Miniature Fiber Spectrometer

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RGB-ER-CL Miniature Fiber Spectrometer

General-purpose spectrometer with an extended wavelength range of 200-1000nm and an optical resolution of 1.5nm

Compact and portable, RGB-ER-CL is a cost-effective general-purpose miniature fiber spectrometer based on a crossed-asymmetric Czerny-Turner design. Equipped with a sophisticated CMOS detector, it has the advantages of high sensitivity, high resolution, high quantum efficiency and large dynamic range, and is suitable for spectral measurements in various scientific and industrial/OEM applications.

RGB-ER-CL is preconfigured with a 25um entrance slit, and provides an optical resolution of 1.5nm and an extended wavelength range of 200-1000nm. It is also possible to get different optical resolutions and spectral response ranges by selecting different gratings and slits.  For applications that requires a higher resolution, RGB-ER-CL can, for example, be preconfigured to offer an optical resolution of 1.0nm and a wavelength range of 200-900nm.

RGB-ER-CL has a USB2.0 interface for high-speed data transfer with a computer. It can also communicate with external devices via available GPIO pins.


  • Compact, light and portable, suitable for system integration
  • Unique optical bench design minimizes stray light and noises
  • Wide wavelength range with balanced spectral response
  • High sensitivity detector enables weak signal detection
  • Possible customizations with a variety of gratings, slits, and lenses
  • USB2.0 interface, high-speed data transfer


Model Hamamatsu S11639 CMOS Sensor
Pixels 2048(14*200um)
Spectral Response 200~1000nm
Sensitivity 1300 V/(lx·s)
Wavelength Range 200~1000nm
Entrance Slit 25um
Collection Cylinder Lens Yes
S/N Ratio 600:1
Integration Time 0.5ms~110s
A/D Resolution 16 bit
Power Consumption 180mA @ 5VDC
Connectors USB2.0 / RS232
External Trigger Modes Software/Hardware/Sync
General Purpose Input/Output (GPIO) 14-pin
Input Fiber Connector SMA905
Dimensions (LxWxH) 94 x 60 x 37 mm
Operating Temperature 0~55℃


  • Wavelength measurement
  • Transmission/reflection measurement
  • Radiation measurement
  • Absorbance measurement
  • Thin-film measurement
  • Color measurement
  • Fluorescence measurement
  • Laser-induced breakdown spectroscopy (LIBS)
  • Biochemical and medical analysis


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