Posted in | Lasers

Tunable Laser Source from Photon etc

The novel optical filtering technology offered by Photon etc's Tunable Laser Source offers high efficiency and out-of-band rejection and is suited for tunable excitation sources in Raman and fluorescence spectroscopy.

Key Features

The key features of the Tunable Laser Source are:

  • High out-of-band rejection
  • Free-space or fiber coupled
  • Pico- or nanosecond sources
  • Pointing and power stability
  • Wide tuning range

LLFT Contrast

The LLFT Contrast acts as a filter for the tunable laser source.

LLTF Contrast - Photon etc


Retinal imaging - Targeting the emergent field of retinal imaging, Optina Diagnostics and Photon etc. now offers a new Metabolic Hyperspectral Retinal Camera (MHRC), particularly developed for ophthalmological studies.

Optina and Photon etc. technology is the only one that gives to health professionals a tool to establish an early diagnosis of age related macular degeneration (AMD). The MHRC allows the non-invasive localization of structures and biomolecules in the retina using their specific spectral signatures.

Spectrally resolved LBIC: The tunable laser source from Photon etc. is ideal to perform spectrally resolved light beam induced (LBIC) cartographies. Those measurements allow researchers to map the minority carrier diffusion length (Ln) and external quantum efficiency (EQE) over the whole solar cell.

Technical Specfications



Spectral Window 400 to 1000 nm 1000-2300
Bandwidth (FWHM) 2.5 nm 4
Wavelength Absolute Accuracy 0.25 nm 0.5 nm
Beam Diameter 2 to 3 mm
Coherence Length 50 µm @ 400 nm; 300 µm @ 1000 nm (for FWHM < 2 nm)
Wavelength Relative Resolution 0.05 nm (FWHM = 0.4 nm)
Polarization Unpolarized
Tuning Speed 2 nm displacement: 90 ms
Min to Max: 600 ms
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) 10" x 7.5" x 9.25"
25.4 cm x 19.1 cm 23.5 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

Tunable Laser Source from Photon etc

TLS in operation
The old TLS model

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