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Tissue temperature measurements during interstitial laser therapy using Cr3+-doped crystals at the fiber tip

Svensson, Jenny LU ; Ralsgard, Anna; Johansson, Thomas LU and Andersson-Engels, Stefan LU (2003) Therapeutic Laser Applications and Laser-Tissue Interactions In Proceedings of the SPIE - The International Society for Optical Engineering 5142(1). p.30-41
Abstract
In this project a technique to optically measure the temperature is evaluated. The measurement is to be performed through optical fibres during photodynamic laser treatments or laser thermo therapy of malignant tumours. For this technique Cr<sup>3+</sup>-doped crystals were used. The lifetime of the ions' fluorescence were measured, since the fluorescence is strongly temperature dependent. A piece of a crystal was attached to the tip of an optical fibre. The crystal was excited at 635 nm, which is the wavelength most frequently used for photodynamic treatment. An accuracy in the temperature measurement of
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organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
LiSrAlF<sub>6</sub>: Cr, YAG: Cr, 20 to 70 C, 635 nm, interstitial laser therapy, tissue temperature measurement, Cr<sup>3+</sup>-doped crystals, fiber tip, optical fibres, photodynamic laser treatment, laser thermo therapy, malignant tumours, Cr:LiSAF, ions fluorescence, alexandrite, Cr:YAG, pork chop, temperature-dependent fluorescence, tissue phantom, YAl5O12:Cr
in
Proceedings of the SPIE - The International Society for Optical Engineering
volume
5142
issue
1
pages
30 - 41
publisher
SPIE
conference name
Therapeutic Laser Applications and Laser-Tissue Interactions
external identifiers
  • wos:000186668300004
  • other:CODEN: PSISDG
ISSN
0277-786X
1996-756X
DOI
10.1117/12.500565
language
English
LU publication?
yes
id
fa53cec5-c96e-4856-8ae7-639f18d99009 (old id 612364)
date added to LUP
2007-12-03 12:13:57
date last changed
2016-04-15 20:42:04
@inproceedings{fa53cec5-c96e-4856-8ae7-639f18d99009,
  abstract     = {In this project a technique to optically measure the temperature is evaluated. The measurement is to be performed through optical fibres during photodynamic laser treatments or laser thermo therapy of malignant tumours. For this technique Cr&lt;sup&gt;3+&lt;/sup&gt;-doped crystals were used. The lifetime of the ions' fluorescence were measured, since the fluorescence is strongly temperature dependent. A piece of a crystal was attached to the tip of an optical fibre. The crystal was excited at 635 nm, which is the wavelength most frequently used for photodynamic treatment. An accuracy in the temperature measurement of},
  author       = {Svensson, Jenny and Ralsgard, Anna and Johansson, Thomas and Andersson-Engels, Stefan},
  booktitle    = {Proceedings of the SPIE - The International Society for Optical Engineering},
  issn         = {0277-786X},
  keyword      = {LiSrAlF<sub>6</sub>: Cr,YAG: Cr,20 to 70 C,635 nm,interstitial laser therapy,tissue temperature measurement,Cr<sup>3+</sup>-doped crystals,fiber tip,optical fibres,photodynamic laser treatment,laser thermo therapy,malignant tumours,Cr:LiSAF,ions fluorescence,alexandrite,Cr:YAG,pork chop,temperature-dependent fluorescence,tissue phantom,YAl5O12:Cr},
  language     = {eng},
  number       = {1},
  pages        = {30--41},
  publisher    = {SPIE},
  title        = {Tissue temperature measurements during interstitial laser therapy using Cr<sup>3+</sup>-doped crystals at the fiber tip},
  url          = {http://dx.doi.org/10.1117/12.500565},
  volume       = {5142},
  year         = {2003},
}