An affordable optically stimulated luminescent dosimeter reader utilizing multiple excitation wavelengths

Area of Science:

• Optics
• Materials Science
• Analytical Chemistry

Background:

• Optically stimulated luminescence (OSL) is a valuable technique for dating and dosimetry.
• Existing commercial OSL readers can be expensive and lack experimental flexibility.
• There is a need for more accessible and adaptable OSL instrumentation for research.

Purpose of the Study:

• To design and construct a cost-effective OSL reader for laboratory research.
• To increase the flexibility of OSL instrumentation for exploring OSL theory and applications.
• To provide a platform with enhanced excitation light capabilities.

Main Methods:

• Utilized off-the-shelf optical components for reduced cost.
• Incorporated higher-power light-emitting diodes (LEDs) for excitation.
• Designed for modularity, allowing easy swapping of filters and other optical elements.

Main Results:

• Successfully designed and constructed a functional OSL reader.
• The developed reader offers a lower cost compared to commercial alternatives.
• The instrument provides a wider range of excitation wavelengths and enhanced experimental flexibility.

Conclusions:

• The new OSL reader design meets the objective of providing a flexible and affordable research tool.
• This adaptable OSL system facilitates deeper investigation into OSL principles and practical uses.
• The enhanced optical capabilities support advanced OSL research endeavors.