Hollow waveguide for giant Er:YAG laser pulses transfer

Michal Němec; Helena Jelínková; Petr Koranda; Miroslav Čech; Jan Šulc; Mitsunobu Miyagi; Yi Wei Shi; Yuji Matsuura

doi:10.1117/12.525706

Hollow waveguide for giant Er:YAG laser pulses transfer

Michal Němec, Helena Jelínková, Petr Koranda, Miroslav Čech, Jan Šulc, Mitsunobu Miyagi, Yi Wei Shi, Yuji Matsuura

MEN - Biomedical Engineering

Research output: Contribution to journal › Conference article

2 Citations (Scopus)

Abstract

Short Er:YAG laser pulses were delivered by a cyclic olefin polymer coated silver hollow glass (COP/Ag) waveguide specially designed for a high power radiation. Er:YAG laser was Q-switched by an electro-optic shutter - LiNbO ₃ Pockels cell with Brewster angle cut input/output faces. The maximum energy output obtained from this system was 29 mJ with the length of pulse 69 ns corresponding to 420 kW output peak power. The system was working with the repetition rate of 1.5 Hz. A delivery system composed of a lens (f = 40 mm), protector and waveguide with the 700/850 μm diameter and 50 cm or 1 m length. The measured maximum delivered intensity was 86 MW/cm² what corresponds to the transmission of 78.6% for whole delivery system. Using of a sealed cap, this delivery system gives a possibility of the contact surgical treatment in many medicine branches, for example ophthalmology, urology or dentistry.

Original language	English
Pages (from-to)	214-219
Number of pages	6
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5317
DOIs	https://doi.org/10.1117/12.525706
Publication status	Published - 2004 Oct 27
Event	Progress in Biomedical Optics and Imaging - Optical Fibers and Sensors for Medical Applications IV - San Jose, CA, United States Duration: 2004 Jan 24 → 2004 Jan 25

Keywords

Cyclic olefin polymer-coated silver hollow glass waveguide
Q-switched Er:YAG laser

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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title = "Hollow waveguide for giant Er:YAG laser pulses transfer",

abstract = "Short Er:YAG laser pulses were delivered by a cyclic olefin polymer coated silver hollow glass (COP/Ag) waveguide specially designed for a high power radiation. Er:YAG laser was Q-switched by an electro-optic shutter - LiNbO 3 Pockels cell with Brewster angle cut input/output faces. The maximum energy output obtained from this system was 29 mJ with the length of pulse 69 ns corresponding to 420 kW output peak power. The system was working with the repetition rate of 1.5 Hz. A delivery system composed of a lens (f = 40 mm), protector and waveguide with the 700/850 μm diameter and 50 cm or 1 m length. The measured maximum delivered intensity was 86 MW/cm2 what corresponds to the transmission of 78.6% for whole delivery system. Using of a sealed cap, this delivery system gives a possibility of the contact surgical treatment in many medicine branches, for example ophthalmology, urology or dentistry.",

keywords = "Cyclic olefin polymer-coated silver hollow glass waveguide, Q-switched Er:YAG laser",

author = "Michal N{\v e}mec and Helena Jel{\'i}nkov{\'a} and Petr Koranda and Miroslav {\v C}ech and Jan {\v S}ulc and Mitsunobu Miyagi and Shi, {Yi Wei} and Yuji Matsuura",

year = "2004",

month = oct,

day = "27",

doi = "10.1117/12.525706",

language = "English",

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T1 - Hollow waveguide for giant Er:YAG laser pulses transfer

AU - Němec, Michal

AU - Jelínková, Helena

AU - Koranda, Petr

AU - Čech, Miroslav

AU - Šulc, Jan

AU - Miyagi, Mitsunobu

AU - Shi, Yi Wei

AU - Matsuura, Yuji

PY - 2004/10/27

Y1 - 2004/10/27

N2 - Short Er:YAG laser pulses were delivered by a cyclic olefin polymer coated silver hollow glass (COP/Ag) waveguide specially designed for a high power radiation. Er:YAG laser was Q-switched by an electro-optic shutter - LiNbO 3 Pockels cell with Brewster angle cut input/output faces. The maximum energy output obtained from this system was 29 mJ with the length of pulse 69 ns corresponding to 420 kW output peak power. The system was working with the repetition rate of 1.5 Hz. A delivery system composed of a lens (f = 40 mm), protector and waveguide with the 700/850 μm diameter and 50 cm or 1 m length. The measured maximum delivered intensity was 86 MW/cm2 what corresponds to the transmission of 78.6% for whole delivery system. Using of a sealed cap, this delivery system gives a possibility of the contact surgical treatment in many medicine branches, for example ophthalmology, urology or dentistry.

AB - Short Er:YAG laser pulses were delivered by a cyclic olefin polymer coated silver hollow glass (COP/Ag) waveguide specially designed for a high power radiation. Er:YAG laser was Q-switched by an electro-optic shutter - LiNbO 3 Pockels cell with Brewster angle cut input/output faces. The maximum energy output obtained from this system was 29 mJ with the length of pulse 69 ns corresponding to 420 kW output peak power. The system was working with the repetition rate of 1.5 Hz. A delivery system composed of a lens (f = 40 mm), protector and waveguide with the 700/850 μm diameter and 50 cm or 1 m length. The measured maximum delivered intensity was 86 MW/cm2 what corresponds to the transmission of 78.6% for whole delivery system. Using of a sealed cap, this delivery system gives a possibility of the contact surgical treatment in many medicine branches, for example ophthalmology, urology or dentistry.

KW - Cyclic olefin polymer-coated silver hollow glass waveguide

KW - Q-switched Er:YAG laser

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AN - SCOPUS:5644300641

VL - 5317

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JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

SN - 0277-786X

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Y2 - 24 January 2004 through 25 January 2004

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