Abstract

Finite element analysis is used to study the near infrared light distribution in brain tissue. The diameter of the light beam varies from 100 microns to 1 mm. The researching results indicate that the near infrared light distribution in brain tissue gets wider with rising of the beam diameter, and the distribution fields are 0.05-0.2 mm below the probe, respectively. At last, the results of finite element analysis are verified by Monte-Carlo simulation, which prove the feasibility of using near infrared light in brain surgical guidance.

© 2005 Chinese Optics Letters

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2004 (1)

L. J. Cheng, L. Z. Hua, and H. A. Zhi, Acta Laser Biology Sin. (in Chinese) 13, (3) 167 (2004).

2003 (1)

C. Ling, C. Z. Hui, and L. W. Jing, Medical Equipment 16, (10) 6 (2003).

2002 (1)

Z. Z. Huang, C. S. Ping, and T. D. Chun, China Medical Device Information (in Chinese) 8, (3) 21 (2002).

1998 (1)

1995 (1)

L. H. Wang, S. L. Jacques, and L. Q. Zheng, Computer Methods and Programs in Biomedicine 47, 131 (1995).

1993 (1)

1990 (2)

W. F. Cheong, S. A. Prahl, and A. J. Welch, IEEE J. Quantum Electron. 26, 2166 (1990).

V. C. Peters, D. R. Wyman, M. S. Patterson, and G. L. Frank, Phys. Med. Biol. 35, 1317 (1990).

1989 (1)

M. S. Patterson, B. Chance, and B. C. Wilson, Appl. Opt. 12, 2331 (1989).

Acta Laser Biology Sin. (in Chinese) (1)

L. J. Cheng, L. Z. Hua, and H. A. Zhi, Acta Laser Biology Sin. (in Chinese) 13, (3) 167 (2004).

Appl. Opt. (2)

M. S. Patterson, B. Chance, and B. C. Wilson, Appl. Opt. 12, 2331 (1989).

G. Yoon, D. N. G. Roy, and R. C. Straight, Appl. Opt. 32, 580 (1993).

China Medical Device Information (in Chinese) (1)

Z. Z. Huang, C. S. Ping, and T. D. Chun, China Medical Device Information (in Chinese) 8, (3) 21 (2002).

Computer Methods and Programs in Biomedicine (1)

L. H. Wang, S. L. Jacques, and L. Q. Zheng, Computer Methods and Programs in Biomedicine 47, 131 (1995).

IEEE J. Quantum Electron. (1)

W. F. Cheong, S. A. Prahl, and A. J. Welch, IEEE J. Quantum Electron. 26, 2166 (1990).

Medical Equipment (1)

C. Ling, C. Z. Hui, and L. W. Jing, Medical Equipment 16, (10) 6 (2003).

Opt. Express (1)

Phys. Med. Biol. (1)

V. C. Peters, D. R. Wyman, M. S. Patterson, and G. L. Frank, Phys. Med. Biol. 35, 1317 (1990).

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