Raman Spectroscopy for Homeland Security Applications

المؤلفون المشاركون

Mogilevsky, Gregory
Brickhouse, Mark
Borland, Laura
Fountain III, Augustus W.

المصدر

International Journal of Spectroscopy

العدد

المجلد 2012، العدد 2012 (31 ديسمبر/كانون الأول 2012)، ص ص. 1-12، 12ص.

الناشر

Hindawi Publishing Corporation

تاريخ النشر

2012-06-06

دولة النشر

مصر

عدد الصفحات

12

التخصصات الرئيسية

الفيزياء

الملخص EN

Raman spectroscopy is an analytical technique with vast applications in the homeland security and defense arenas.

The Raman effect is defined by the inelastic interaction of the incident laser with the analyte molecule’s vibrational modes, which can be exploited to detect and identify chemicals in various environments and for the detection of hazards in the field, at checkpoints, or in a forensic laboratory with no contact with the substance.

A major source of error that overwhelms the Raman signal is fluorescence caused by the background and the sample matrix.

Novel methods are being developed to enhance the Raman signal’s sensitivity and to reduce the effects of fluorescence by altering how the hazard material interacts with its environment and the incident laser.

Basic Raman techniques applicable to homeland security applications include conventional (off-resonance) Raman spectroscopy, surface-enhanced Raman spectroscopy (SERS), resonance Raman spectroscopy, and spatially or temporally offset Raman spectroscopy (SORS and TORS).

Additional emerging Raman techniques, including remote Raman detection, Raman imaging, and Heterodyne imaging, are being developed to further enhance the Raman signal, mitigate fluorescence effects, and monitor hazards at a distance for use in homeland security and defense applications.

نمط استشهاد جمعية علماء النفس الأمريكية (APA)

Mogilevsky, Gregory& Borland, Laura& Brickhouse, Mark& Fountain III, Augustus W.. 2012. Raman Spectroscopy for Homeland Security Applications. International Journal of Spectroscopy،Vol. 2012, no. 2012, pp.1-12.
https://search.emarefa.net/detail/BIM-499708

نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)

Mogilevsky, Gregory…[et al.]. Raman Spectroscopy for Homeland Security Applications. International Journal of Spectroscopy No. 2012 (2012), pp.1-12.
https://search.emarefa.net/detail/BIM-499708

نمط استشهاد الجمعية الطبية الأمريكية (AMA)

Mogilevsky, Gregory& Borland, Laura& Brickhouse, Mark& Fountain III, Augustus W.. Raman Spectroscopy for Homeland Security Applications. International Journal of Spectroscopy. 2012. Vol. 2012, no. 2012, pp.1-12.
https://search.emarefa.net/detail/BIM-499708

نوع البيانات

مقالات

لغة النص

الإنجليزية

الملاحظات

Includes bibliographical references

رقم السجل

BIM-499708