Dr. Jerry B. Cabalo Profile

Dr. Jerry B. Cabalo

Chemist at DHS S&T Chemical Security and Analysis Ctr

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Publications (7)

Proceedings Article | 12 September 2019 Presentation

Investigation of 4H-SiC UV-APDs in Geiger and linear mode operation (Conference Presentation)

Chelsea Haughn, Stephen Kelley, Jeremy Smith, Kimberley Olver, Eric DeCuir, Jerry Cabalo, Michael Wraback, Eugene Chong, Anand Sampath

Proceedings Volume 11126, 1112602 (2019) https://doi.org/10.1117/12.2530822

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Proceedings Article | 2 October 2008 Paper

Overview of the TAC-BIO detector

Jerry Cabalo, Marla DeLucia, Aime Goad, John Lacis, Fiona Narayanan, David Sickenberger

Proceedings Volume 7116, 71160D (2008) https://doi.org/10.1117/12.799843

KEYWORDS: Sensors, Luminescence, Ultraviolet radiation, Particles, Light emitting diodes, Scattering, Aerosols, Mirrors, Atmospheric particles, Biological weapons

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Proceedings Article | 13 October 2006 Paper

Biological aerosol detection with the tactical biological (TAC-BIO) detector

Aime Poldmae, Jerry Cabalo, Marla De Lucia, Fiona Narayanan, Lester Strauch, David Sickenberger

Proceedings Volume 6398, 63980E (2006) https://doi.org/10.1117/12.687944

KEYWORDS: Sensors, Light emitting diodes, Light scattering, Scattering, Prototyping, Luminescence, Mirrors, Aerosols, Optical filters, Particles

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Proceedings Article | 19 May 2006 Paper

Deep-UV solid state light sources in the tactical biological sensor

Jerry Cabalo, Marla De Lucia, Fiona Narayanan, Aime Poldmae, David Sickenberger

Proceedings Volume 6218, 62180D (2006) https://doi.org/10.1117/12.665769

KEYWORDS: Luminescence, Scattering, Particles, Ultraviolet radiation, Light scattering, Deep ultraviolet, Optical filters, Sensors, Light emitting diodes, Atmospheric particles

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A number of strategies to meet the need for a small and inexpensive biosensor that mitigates military and civilian vulnerabilities to biological weapons are currently being pursued. Among them is UV induced biological fluorescence. UV induced biofluorescence is a potentially successful strategy because it involves no chemical consumables and it is an "on-line" detection method where particles can be interrogated without impaction onto a substrate or into a liquid. Indeed, there are already existing fluorescence based sensors already in place, yet these are limited by the cost and power consumption of the laser based UV excitation sources. Fortunately, inexpensive and low power solid state UV sources arising from the Defense Advanced Research Projects Agency's (DARPA) Semiconductor UV Optical Sources (SUVOS) project have become commercially available in wavelengths capable of exciting aromatic amino acids (e.g. tryptophan) and metabolic products (e.g. NADH). The TAC-Bio Sensor is capable of exploiting either source wavelength and will ultimately include both source wavelengths within a single sensor. Initial work with the deep UV sources involves the correct optical filtering for the devices. The primary emission from both the 280 nm and 340 nm devices occurs at the design wavelength and is about 20 nm FWHM, however, there is a tail extending to the longer wavelengths that interferes with the fluorescence signal. A system of optical filters that sufficiently removes the long wavelength component from the UV source is designed and tested for the deep UV sources. Ongoing work with the sensor has confirmed that sensitivity to small biological particles is enhanced with the deeper wavelengths. When the 340 nm sources are placed in the TAC-Bio, it is capable of detecting 4 micron diameter Bacillus globigii (BG, Dugway, washed 4X) spore agglomerates. The deep UV sources show an improvement in signal to noise of 2, permitting the detection of 3 micron diameter BG agglomerates.

Proceedings Article | 20 May 2005 Paper

Overview of the TAC-BIO sensor

Jerry Cabalo, Richard Sickenberger, Marla De Lucia, John Briles, Aime Poldmae, David Sickenberger

Proceedings Volume 5778, (2005) https://doi.org/10.1117/12.606902

KEYWORDS: Ultraviolet radiation, Sensors, Particles, Photons, Luminescence, Signal to noise ratio, Interference (communication), Visualization, Optical resonators, Atmospheric particles

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Proceedings Article | 29 December 2004 Paper

Micro-UV detector

Jerry Cabalo, Richard Sickenberger, William Underwood, David Sickenberger

Proceedings Volume 5617, (2004) https://doi.org/10.1117/12.569260

KEYWORDS: Particles, Sensors, Luminescence, Atmospheric particles, Ultraviolet radiation, Aerosols, Mirrors, UV optics, Visualization, Signal to noise ratio

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Proceedings Article | 1 September 2004 Paper

Micro UV detector

Jerry Cabalo, Richard Sickenberger, William Underwood, David Sickenberger

Proceedings Volume 5417, (2004) https://doi.org/10.1117/12.539980

KEYWORDS: Particles, Sensors, Ultraviolet radiation, Luminescence, Atmospheric particles, Mirrors, Aerosols, Light emitting diodes, Optical resonators, Visible radiation

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Showing 5 of 7 publications

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