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LTB Lasertechnik Berlin GmbH
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  5. Aryelle - Model 150 - UV-Vis NIR ...

Aryelle - Model 150 -UV-Vis NIR Spectrometer

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The most compact and cost-efficient UV-VIS-NIR echelle spectrometer of LTB’s ARYELLE series with a focal length of 150 mm and 2 kg weight without detector – suitable for reliable and portable LIBS and Raman applications.

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  • Very compact and stable
  • High spectral resolution (5,000-11,000)
  • Large simultaneous wavelength range
  • Can be combined with various detectors (CCD, EMCCD)
  • Up to 30 spectra/s
The ARYELLE 150 is the smallest optical fiber coupled ARraY echELLE spectrometer with high sensitivity and high imaging quality at a size of only 210 x 120 x 85 mm3. It features a patented optical design with an aperture of f/7 and a focal length of 150 mm. The dispersion unit with echelle grating, prism, imaging optics and entrance slit can individually be adapted to different customer applications. Depending on the required simultaneously detectable wavelength range, the ARYELLE 150 provides the measurement of two-dimensional echelle spectra from the UV up to the NIR range with a spectral resolving power of 5,000 up to 11,000 (at 35 µm slit width).

Various CCD and EMCCD cameras are suitable for the designed detection area of 8 x 8 mm². The optional chopper guarantees a sufficient time resolution of 0.1 µs for LIBS analysis. Automatic recalibration of the wavelength scale is provided by a mercury lamp and an internal shutter.

The supplied operating software Sophi with optional LabVIEW library allows fully control of all spectrometer-detector functions via graphic user interface and provides automated measurement routines with an integrated scripting language. All lines of the gained spectrum are automatically analyzed with the integrated atomic spectra data base and qualitatively assigned to the corresponding elements. Quantitative analysis is based on calibration with reference materials.

  • Optical design: echelle spectrograph
  • Aperture: f/7
  • Focal length: 150 mm
  • Slit width: 35 µm x 35 µm
  • Wavelength range: 220-800 nm
  • Spectral resolving power: 6,000
  • Spectral resolution FWHM: 36-133 pm
  • Absolute accuracy: spectral resolution / 4
  • Order crosstalk: 5 x 10-3
  • Stray light: 1 x 10-5
  • Detector: CCD (USB), 8 x 8 mm2 image area
  • Dynamic range: 14 bit, AD conversion
  • Light coupling: SMA fiber coupling
  • Wavelength calibration: with mercury lamp
  • Computer: PC incl. TFT or laptop with Microsoft Windows
  • Software: Sophi, LabVIEW library optional
  • Dimensions without detector (L x W x H): (210 x 120 x 85) mm
  • Weight without detector: 2 kg