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ARCoptix FT-NIR Rocket 0.9-2.6µm


Fibered near-infrared Fourier-transform spectrometer

If you are looking for high performance, compact and affordable NIR spectrometer, the ARCoptix FT-NIR Rocket is the instrument that you need. Thanks to its permanently aligned interferometer and solid-state reference laser, the FT-NIR Rocket offers excellent stability in both intensity and wavelength scales. The FT-NIR Rocket fibered spectrometer is compatible with light sources and sampling accessories typically used with array-detector based NIR spectrometers. Experience the high-quality spectra of our FT-NIR!


Specification  of FT-NIR - ARcoptix

Interferometer type

Permanently aligned with dual retro-reflector




Extended type InGaAs photodiode

(Optionally 1- or 2-stage TE-cooled)

Reference laser

Solid-state, 680nm

(optionally TE temperature stabilized)

Spectral range

0.9−2.6µm (11000−3850cm-1) i


8 cm-1 (optionally 4cm-1)

Minimum measurement cycle time

1 sec

Signal-to-noise ratio (SNR)


Wave number repeatability

<10 PPM with optional temperature stabilized control laser iii

Optical fiber input

SMA 905 connector, up to 1mm fiber core

diameter, NA=0.25

Communication interface

USB 2.0

Power requirements

7.5-12V (1-6W depending on versions)

Software interface

Windows XP/Vista/7/8 software

Operating temperature / humidity

5 to 35C / non condensing

Storage temperature

-10 to 60C


180mm x 126mm x 78mm


1.7 KG



Broad wavelength range 0.9-2.6µm
High resolution of 8cm-1 (<1nm@1µm to <5nm@2.5 µm)
Excellent stability in intensity and wavelength
Very good sensitivity (very well adapted for diffuse reflectance)
Very compact and rugged, easy to use.


Applications Of FT-NIR Spectrometer-Arcoptix

Transmission, diffuse reflectance
Light source measurement (NIR Lasers, LED, Solar,…)
Material identification and quantification in various fields such as geology
Food and beverage industry.