Lexsyg Smart TL / OSL Reader

"The most sensitive 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 Smart 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 500 °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

Compact Design

Provides thermal and optical stimulation for up to 3 different wavelengths.

No Crosstalk

Independent operation of measurement chamber and sample changer ensures absence of stimulation and radiation crosstalk.

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.

Technical Specifications

Sample	Automated 40-position sample changer
Sample Carousel	2 exchangeable sample carousels with 40-positions each
Thermal Stimulation	Up to 500^oC (default) 0.1 - 20^oC / s (@Tmax = up to 710^oC)
Optical Stimulation	Up to 3 wavelengths per OSL unit 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 OSL operation: Continuous Wave OSL (CW-OSL) Linear Modulated OSL (LM-OSL) Pulsed OSL (POSL)
Detection Unit	UV-VIS PMT (default), Optional: Red sensitive PMT, near-IR PMT
Laptop or PC Requirement	Windows 7 or latest with 2 Ethernet ports
Power Requirement	110 – 250 V AC, 4 A
Dimension	300 x 420 x 350 mm
Weight	Up to 50 kg
Certification	Manufactured under ISO 9001 guidelines, CE conform

Software

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

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