Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 166-172 |
| Seitenumfang | 7 |
| Fachzeitschrift | Proceedings of SPIE - The International Society for Optical Engineering |
| Jahrgang | 2631 |
| Publikationsstatus | Veröffentlicht - 3 Jan. 1995 |
| Veranstaltung | Medical and Fiber Optic Sensors and Delivery Systems 1995 - Barcelona, Spanien Dauer: 12 Sept. 1995 → 16 Sept. 1995 |
Abstract
For most applications in laser medicine suitable delivery systems are required. We developed fibre optic based diffusing tips especially for Photodynamic Therapy (PDT) and Laser Induced Thermotherapy (LifT). To realize an adequate emitting cylindrical diffuser the fibre core was abraded by a precision cutter. Hence, the use of scattering media such as TiO2-doped polymers is avoided. Because the diffuser size is mainly determined by the manipulated fibre and a surrounding glass cappillary, one can realize small diameters (Ø ≈ 3mm). The laser light is distributed mainly by surface scattering and total reflection at the fibre air boundary. Because the use of absorbing media is avoided, it is possible to apply high laser power as necessary in LiTT and pulsed PDT. We produced diffusing tips with lengths of several centimeters and typical diameters of 3 mm. By controlling the fibre-shaping process, a homogenous intensity profile or even special designs can be achieved. The control is done by either on-line camera surveillance or calculated predictions. A delivery system especially for the photodynamical treatment of female cervix displasia has been designed.
ASJC Scopus Sachgebiete
- Werkstoffwissenschaften (insg.)
- Elektronische, optische und magnetische Materialien
- Physik und Astronomie (insg.)
- Physik der kondensierten Materie
- Informatik (insg.)
- Angewandte Informatik
- Mathematik (insg.)
- Angewandte Mathematik
- Ingenieurwesen (insg.)
- Elektrotechnik und Elektronik
Zitieren
- Standard
- Harvard
- Apa
- Vancouver
- BibTex
- RIS
in: Proceedings of SPIE - The International Society for Optical Engineering, Jahrgang 2631, 03.01.1995, S. 166-172.
Publikation: Beitrag in Fachzeitschrift › Konferenzaufsatz in Fachzeitschrift › Forschung › Peer-Review
}
TY - JOUR
T1 - Diffusing fibre tips for high-power medical laser applications
AU - Schmitz, Christoph
AU - Spaniol, Stefan
AU - Abraham, Volkhard
AU - Ashraf, Naim
AU - Neuberger, Wolfgang
AU - Ertmer, Wolfgang
PY - 1995/1/3
Y1 - 1995/1/3
N2 - For most applications in laser medicine suitable delivery systems are required. We developed fibre optic based diffusing tips especially for Photodynamic Therapy (PDT) and Laser Induced Thermotherapy (LifT). To realize an adequate emitting cylindrical diffuser the fibre core was abraded by a precision cutter. Hence, the use of scattering media such as TiO2-doped polymers is avoided. Because the diffuser size is mainly determined by the manipulated fibre and a surrounding glass cappillary, one can realize small diameters (Ø ≈ 3mm). The laser light is distributed mainly by surface scattering and total reflection at the fibre air boundary. Because the use of absorbing media is avoided, it is possible to apply high laser power as necessary in LiTT and pulsed PDT. We produced diffusing tips with lengths of several centimeters and typical diameters of 3 mm. By controlling the fibre-shaping process, a homogenous intensity profile or even special designs can be achieved. The control is done by either on-line camera surveillance or calculated predictions. A delivery system especially for the photodynamical treatment of female cervix displasia has been designed.
AB - For most applications in laser medicine suitable delivery systems are required. We developed fibre optic based diffusing tips especially for Photodynamic Therapy (PDT) and Laser Induced Thermotherapy (LifT). To realize an adequate emitting cylindrical diffuser the fibre core was abraded by a precision cutter. Hence, the use of scattering media such as TiO2-doped polymers is avoided. Because the diffuser size is mainly determined by the manipulated fibre and a surrounding glass cappillary, one can realize small diameters (Ø ≈ 3mm). The laser light is distributed mainly by surface scattering and total reflection at the fibre air boundary. Because the use of absorbing media is avoided, it is possible to apply high laser power as necessary in LiTT and pulsed PDT. We produced diffusing tips with lengths of several centimeters and typical diameters of 3 mm. By controlling the fibre-shaping process, a homogenous intensity profile or even special designs can be achieved. The control is done by either on-line camera surveillance or calculated predictions. A delivery system especially for the photodynamical treatment of female cervix displasia has been designed.
KW - Fibre optics
KW - High power delivery systems
KW - Litt
KW - Pdt
UR - http://www.scopus.com/inward/record.url?scp=0029540690&partnerID=8YFLogxK
U2 - 10.1117/12.229180
DO - 10.1117/12.229180
M3 - Conference article
AN - SCOPUS:0029540690
VL - 2631
SP - 166
EP - 172
JO - Proceedings of SPIE - The International Society for Optical Engineering
JF - Proceedings of SPIE - The International Society for Optical Engineering
SN - 0277-786X
T2 - Medical and Fiber Optic Sensors and Delivery Systems 1995
Y2 - 12 September 1995 through 16 September 1995
ER -