Lexsyg Research Imaging TL-OSL-RF System


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"The most advanced TL/OSL reader"

Applications

  • Luminescence Dating
  • Material Research
  • Authenticity Testing
  • Accident Dosimetry
  • Radiation Protection
  • Food Irradiation
  • Solid State Dosimetry
  • Bioluminescence

Looking for Quality Assurance? The Lexsyg Research addresses standards EN 1788 and EN 13751:2009 related to irradiated food testing.

Thermal Stimulation

Ceramic heating element allows highly reliable and more consistent measurements. The heating element is cooled by continuous flow of nitrogen or compressed air.

Thermoluminescence (TL), preheat (PH) including elevated temperature luminescence measurements (OSL, RL, etc.) as well as elevated temperature irradiation (at ionizing irradiation and “solar-light” position)  are possible during any part of a heating/cooling  cycle,  which is almost freely programmable including non-linear heating/cooling functions.

    • Heating rate: 0.1 - 20.0 C/s (@Tmax= up to 710 °C)
    • Highly flexible step-wise programming of heating / cooling cycles within system parameters (i.e. temperature and heating/cooling rates)
    • Software options for further temperature control (e.g. non-linear functions)

 

Optical Stimulation (OSL)

All lexsyg smart and lexsyg research TL/OSL readers can be equipped with an interchangeable OSL unit containing up to three stimulation wavelengths. These are provided by high power stimulation elements optionally as LEDs or laser diodes. The integration of photo diodes provides the feedback for power control of each individual element, guaranteeing a stable stimulation source, independent of element aging.

LED/laser Diodes Stimulation

Available stimulation wavelengths:

    • (LED/laser diodes)
    • UV (365 nm), Violet (405 nm), Blue (458 nm), Green (525 nm), Yellow (590 nm), IR (850 nm)


Modes of operation for OSL:

    • Continuous Wave OSL (CW-OSL)
    • Linear Modulated OSL (LM-OSL)


Select up to three wavelengths per OSL unit:

    • LED stimulations:Module# L0403 – Blue LED stimulation 458 ± 5 nm (max. 100 mW/cm² at sample position) 
    • Module# L0404 – IR LED stimulation 850 ± 20 nm (max. 300 mW/cm² at sample position) 
    • Module# L0405 – Green LED stimulation 525 ± 20 nm (max. 80 mW/cm² at sample position)
    • Module# L0406 – Yellow LED stimulation 590 ± 30 nm (max. 50 mW/cm² at sample position)


Laser diode stimulation:

    • Rise/fall time: < 10 ns
    • ON-Time: 50 ns to continuous wave
    • Module# L0407 – Blue laser diode stimulation 445 ± 3 nm (max. 100 mW/cm² at sample position)
    • Module# L0408 – IR laser diode stimulation 850 ± 3 nm (max. 300 mW/cm² at sample position)
    • Module# L0409 – Violet laser diode stimulation 405 ± 3 nm (max. 100 mW/cm² at sample position)

Features

 Modular Design

    • Interchangeable OSL stimulation units (up to 3 wavelengths per OSL), accommodates up to 4 detection units and up to 2 irradiation sources

No Crosstalk

    • Independent operation of measurement chamber and sample reservoir ensures absence of both stimulation and radiation crosstalk

Continuous Operation

    • Ability to load and unload samples while another sample is undergoing analysis/treatment inside the measurement chamber

Flexibility

    • Software controlled switch of detection filters within a measurement sequence

Homogeneity

    • Highly homogeneous and stabilized optical stimulation provides identical measurement conditions

Accessibility

    • IP based system allows remote operation and technical support from anywhere in the world

Easy Upgrade

    • Modular design allows future expansion of device capabilities by easily adding components

 

Software

    • Operating: LexStudio 2.0
    • Evaluation: LexEva
    • Operating & Evaluation: TL Studio