Our VIS-NIR-FIB are ultra-broadband spectrometers designed for use with fibered probes over the complete VIS & NIR spectral range, 350-2600nm. The system incorporates one Arcoptix FT-NIR Fourier-Transform scanning spectrometer for the NIR range 900-2600 and one multichannel grating spectrometer for the VIS (350-1000nm). Both instruments are integrated in a single, portable housing that has two separate SMA inputs for the VIS and for the NIR ranges, matching the transmission ranges of high-OH and low-OH fibers. The software supplied with the spectrometer automatically merges the spectra produced by the 2 spectrometers.

Unlike most scanning spectrometers used for such applications that take several minutes for a complete scan, the  VIS-NIR-FIB (350-2600nm) give a result within two seconds! The software can be customized on demand for specific colorimetric or other standard measurements. Please contact us for more information: info@arcoptix.com

Efficency Of the grating inside the VIS Spectrometer (Notice UV-VIS is not available anymore)

The VIS-NIR-FIB (350-2600nm) are the fiber-input spectrometers covering the broadest spectral range on the market.

The use of an Fourier-transform spectrometer for the NIR and a grating spectrometer for the VIS is the best solution for a fast and reliable broadband spectrophotometer.:

• For the VIS range the most performant solution is the multichannel dispersive spectrometer with a Si-diode array. This solution offers fast measurement times, high sensitivity and good resolution at a moderate cost.

• For the NIR spectral range, the scanning Fourier-transform spectrometers produced by Arcoptix are superior to photodiode-array based grating spectrometers. Indeed dispersive spectrometers are based InGaAs photodiode arrays that suffer from various noises and distortions due to the pixel variability and usually cannot reach wavelegnths beyond 2300nm.

The VIS-NIR-FIB (350-2600nm) are delivered with a free Windows compatible graphical user interface (GUI) program. The software automatically merges the spectral data from the VIS and NIR spectrometers.

The free basic software package allows the user to:

• Configure hardware measurement parameters (amplifier gain, averaging, ...)
• Display real-time spectral measurement results
• Set reference spectra (white, dark) and choose among raw spectra, transmission or absorption modes.
• Usual features such as save, open, zoom, rescale...
• Save data of combined VIS-NIR spectra, or individual VIS and NIR spectra

The VIS-NIR-FIB (350-2600nm) are compatible with many fiber-based accessories available on the market. Attention must be paid to the fact that the spectral range of the accessories covers the full VIS-NIR spectrum. The illustrations below show two typical arrangement for measuring in diffuse reflectance and in transmission modes with the VIS-NIR (350-2600nm)

The ARCspectro VIS-NIR-FIB is the ideal spectrometer for measuring the transmission of samples all over the VIS to NIR range. Accessories needed for this configuration are:

• (1) one Vis-NIR or UV-VIS-NIR llight source, typically a halogen or deuterium + halogen light source (e.g. an ARCLIGHT-NIR or DH-MINI)
• (2) one Vis-NIR or UV-VIS-NIR fiber patch cable (e.g. our FIB-UVN-600-050)
• (3) one Vis-NIR or UV-VIS-NIR cuvette holder (e.g. CUV-UV) with UV-compatible cuvette made of quartz glass
• (4) one Y-branched fiber bundle with 1x UV-VIS and 6x Vis-NIR 200μm core diameter fibers

The VIS-NIR can also be used for reflection measurements, e.g. using a fibered reflection probe. Accessories needed for this configuration are:

• (1) one Vis-NIR light source, typically halogen light source such as our ARCLIGHT-NIR
• (2) one Y-branched fiber bundle with 7x VIS-NIR, 600μm core diameter fibers
• (3) one Y-branched fiber bundle with 1x UV-VIS and 6x Vis-NIR 200μm core diameter fibers
• (4) if needed, one diffuse reflectance standard (not shown)
• (5) if needed, a reflection probe holder/stand (not shown)

Reflection setup