Spectrometer by Avesta Ltd.

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The ASP-75 from Avesta Ltd. is a Czerny-Turner Compact Multipurpose Spectrometer that has a spectral range from 190 to 1100 nm. It has a spectrum region width of 40 - 950 nm with a high resolution down to 0.05 nm. The unit features a special fiber input with a spectral slit, the size of which is conditioned by the detector. It allows the measurement of either free-space or fiber signals without any realignment. However, it is not recommended to use fiber to measure the spectrum of a femtosecond laser due to signal modulation and subsequent spectrum distortion.

The ASP-75 has a CCD array that delivers 1024, 2048, and 3648 pixels. It has a pixel width of 8 - 25 μm and pixel height of 200 - 500 μm. The simplicity of the design allows combining broad spectral range and high resolution with more than compact size. It is available in compact packaging that measures 126 x 68 x 53 mm with SMA or FC connectors. This device can be used in various space-demanding applications and also for OEM integration in any device.

Product Specifications

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Product Details

  • Part Number
  • Manufacturer
    Avesta Ltd.
  • Description
    190 to 1100 nm wavelength, UV-VIS-NIR spectrometer for UV Spectroscopy, VIS Spectroscopy, NIR Spectroscopy with 0.05 to 1 nm spectral resolution

Connections & Interface

  • Fiber optic connector
    SMA905, FC
  • Interface

General Parameters

  • Measuring Techniques
    UV Spectroscopy, VIS Spectroscopy, NIR Spectroscopy
  • Spectrometer Type
  • Wavelength Range
    190 to 1100 nm
  • Spectral Resolution
    0.05 to 1 nm
  • Spectrum Band
  • A/D Resolution
    14 Bit
  • Slitwidth
    10 µm
  • Pixels
    2048 pixels, 3648 pixels, 1024 pixels
  • Detector
    Toshiba 1205DG CCD array, Toshiba 1304DG CCD array, Hamamatsu S8378-1024Q CCD array
  • Dynamic Range
  • Pixels Size
    14 µm x 200 µm, 8 µm x 200 µm, 25 µm x 500 µm
  • Grating :
    400 to 1800 grooves/mm
  • Input Focal length
    46 mm
  • Note
    Dispersion: 1.4 to 28 nm/mm

Physical Properties

  • Weight
    0.3 kg
  • Dimension
    126 x 68 x 53 mm

Technical Documents

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