Temperature elevation inside neural tissue illuminated by NIR laser

Author

Abdo, Ammar ; Ersen, Ali ; Sahin, Mesut

Author_Institution

Biomed. Eng. Dept., New Jersey Inst. of Technol., Newark, NJ, USA

fYear

2011

fDate

Aug. 30 2011-Sept. 3 2011

Firstpage

3987

Lastpage

3989

Abstract

Near infrared (NIR) light energy has been used in medical applications both for diagnostic and treatment purposes. Temperature elevation is the main concern in the neural tissue when illuminated with NIR light. In this report, an NIR light beam was pulsed into a rat brain cortex. The spatial maps of temperature elevation inside the neural tissue were measured directly using a micro probe. The results indicate that the temperature inside the neural tissue saturates with increasing levels of laser power.

Keywords

biological effects of laser radiation; biothermics; brain; laser applications in medicine; neurophysiology; NIR laser; NIR light beam; microprobe; near infrared light energy; neural tissue; patient diagnostics; patient treatment; rat brain cortex; spatial map; temperature elevation; Laser beams; Measurement by laser beam; Power lasers; Probes; Scattering; Temperature measurement; Temperature sensors; near infrared light; neural stimulation laser heating; Animals; Cerebral Cortex; Hot Temperature; Rats; Rats, Sprague-Dawley; Spectroscopy, Near-Infrared; Thermography;

fLanguage

English

Publisher

ieee

Conference_Titel

Engineering in Medicine and Biology Society, EMBC, 2011 Annual International Conference of the IEEE

Conference_Location

Boston, MA

ISSN

1557-170X

Print_ISBN

978-1-4244-4121-1

Electronic_ISBN

1557-170X

Type

conf

DOI

10.1109/IEMBS.2011.6090990

Filename

6090990