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ANIR Sectrometers
The ANIR series of scanning Fourier Transform Spectrometers (FTS)
uses an exclusive micro-actuated lamellar grating and operates with
a single photodiode detector. The actuation of the interferometer
system is actively controlled by a laser enabling a precise and reliable
operation. The single photodiode detection ensures highest
dynamic range and signal quality at very attractive pricing.
ANIR Spectrometer Series
Portable Fourier Transform Spectrometers
ANIR-0.9-1.7 ANIR-0.9-2.6 ANIR-2.0-4.5
Spectral range: 900 – 1700 nm 900 – 2600 nm 2000 – 4500 nm
Detector type: InGaAs InGaAs MCT
Resolution in wave
number:
At 1000 nm:
At 1700 nm:
At 2600 nm:
At 4500 nm:
8 cm -1
1.4 nm
4.2 nm
8 cm -1
1.4 nm
4.2 nm
9.7 nm
8 cm -1
9.7 nm
29.2 nm
Wavelength < 0.5 nm < 0.5 nm < 0.5 nm
accuracy:
Signal-to-noise > 1000:1 > 1000:1 300:1
ratio:
A/D converter: 16 bit 16 bit 16 bit
Minimum scan time: 1 s 1 s 1 s
Effective measurement
5 s 5 s 5 s
time:
Optical Bench
Optical fiber
entrance:
Fiber optic connector:
Physical
Dimensions:
650 μm (fiber core
diameter)
650 μm (fiber core
diameter)
650 μm (fiber core
diameter)
SMA 905 SMA 905 SMA 905
210 mm x 100 mm
x 70 mm
210 mm x 100 mm
x 70 mm
Weight: 850 g 850 g 850 g
210 mm x 100 mm
x 70 mm
Spectrometers
ANIR Spectrometers are fiber-based, USB-powered and portable.
The modular concept of the ANIR allows users to adapt it for specific
applications, as the wavelength range is solely dependent on the
detector choice.
Features
- Extensive wavelength range (three models covering
900-4500 nm)
- High resolution of 8 cm -1
- Optional parameters available such as variable gain, resolution
and scan speed
- High throughput and signal to noise ratio
- Low power consumption and reliable operation
Sample Applications
- Food analysis
- Gas detection
- Environmental monitoring
- Material identification
- Process control
- Laser characterization
About Fourier Transform Spectroscopy (FTS)
A Fourier Transform spectrometer is the instrument of choice for high-resolution
atomic and molecular spectroscopy. A Fourier Transform is a mathematical
operation that transforms (or
decomposes) a signal into a
set of trigonomic functions.
In the case of a spectrometer,
Fourier Transform
converts raw data into a
spectrum via a technique
of collecting spectra
based on measurements
of the coherence of a
radiative source, using timeor
space-domain measurements of
radiation. This technique uses the Wiener-Khinchin
theorem, a theorem useful for analyzing the response of
Linear Time Invariant (LTI) systems to an arbitrary input signal.
As a result, an FTS spectrometer is more sensitive and requires a much shorter
sampling time than the standard types of spectrometers used today. An FTS
spectrometer such as the ARCoptix ANIR spectrometer has an interferometric
module with scanner for laser-assisted positioning control (pictured) and is perfectly
suited for high accuracy transmission measurements of gases and liquids.
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