The high efficiency and the out-of-band rejection offered by the innovative optical filtering technology of the LLTF Contrast Laser Line Tunable Filter from Photon etc is suitable for tunable excitation sources in Raman and fluorescence spectroscopy.
The key features of the LLTF Contrast are:
- Efficiency up to 60%
- Free-space or fiber coupled
- User-friendly control software
- High out-of-band rejection
- Wide tuning range
The LLTF Contrast can measure magneto-optical (MO) effects, which are ideal for providing in-situ mesurements of the magnetization characteristics of thin-films, at different wavelengths as well as different temperatures and even within a limited or hard to reach area.
Characterisation of thin film filters (OD of up to 12) - A new transmittance measurement setup, using Photon etc. Laser Line Tunable Filter (LLTF) is employed to obtain spectrally resolved characterization of thin film filters with optical densities from 0 to 12 in a spectral range covering 400 nm to 1000 nm.
Tunable Laser Source - The LLTF can easily be coupled to a supercontinuum laser to provide a tunable laser source (TLS). The TLS can deliver a quasi-monochromatic output over a spectral range going from 400 nm to 2,500 nm. This tool can be used in several experiments and fields of research which includes: photoluminescence, absorption spectroscopy, hyperspectral imaging, instrument calibration, etc.
||400 to 1000 nm
||1000 to 2300 nm
||< 1 mm lateral displacement @ 1m from filter
||up to 60%
|Grating Damage Threshold
||> 100 kW/cm2 average power
> 5 GW/cm2 peak power @ 1064 nm, 8 ns
||= 5 mm
|Dimensions (L x W x H)
||9'' x 6.3'' x 6.7''
23 cm x 16 cm x 17 cm
||10 to 40°C
||5 to 50°C
||USB 2.0 (compatible 1.1)
||100 - 240 V, 50 - 60 Hz
|Wavelength Relative Resolution
FWHM < 0.4 nm