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LLTF Contrast VIS-2 - Laser Line Tunable Filter from Photon etc

The high efficiency and the out-of-band rejection offered by the innovative optical filtering technology of the VIS -2 Laser Line Tunable Filter is suitable for tunable excitation sources in Raman and fluorescence spectroscopy.

Key Features

The key features of the VIS-2 Tunable Filter are:

  • Efficiency up to 60%
  • Free-space or fiber coupled
  • User-friendly control software
  • High out-of-band rejection
  • Wide tuning range

Applications

The applications of the VIS-2 Laser Line Tunable Filter are:

  • Space and astronomy: Determining a light-source for testing a coronagraph is challenging. Lasers are collimated strongly and several types of near-IR lasers will be powerful enough, but other than Photon’s Tunable Laser Source, none is tunable over a very large wavelength domain.
  • Thin films: Magneto-optical (MO) effects are used either for probing the magnetization reversal characteristics of a wide range of sample types, or as an effective way to modify the polarization of light through induced magnetization state in samples. In transparent samples, the Faraday effect, along with other MO effects such as Kerr measurements, offer a non-destructive probe for in-situ measurements of samples, such as thin films.

Specifications

Spectral Window 400 to 1000 nm
Bandwidth (FWHM) 2.5 nm
Pointing Stability < 1 mm lateral displacement @ 1m from filter
Peak Transmission up to 60%
Grating Damage Threshold > 100 kW/cm2 average power
> 5 GW/cm2 peak power @ 1064 nm, 8 ns
Aperture Diameter ≤ 5 mm
Dimensions (L x W x H) 9'' x 6.3'' x 6.7''
23 cm x 16 cm x 17 cm
Operating Temperature 10 to 40°C
Storage Temperature 5 to 50°C
Software PHySpec™ included
Computer Connection USB 2.0 (compatible 1.1)
Power Supply 100 - 240 V, 50 - 60 Hz
Wavelength Relative Resolution FWHM/8
Options Free-space/Fibered Output
Order Filter
Calibration Module
Shutter
FWHM < 0.4 nm

 

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