Soft tissue ablation by picosecond synchronously-pumped CdSiP -based optical parametric oscillator tuned to 6.45 μm

N. Hendaoui, A.A. Mani, E. Kakudgi, A. Peremans, C. Silien, Vincent Bruyninckx-Calis, A. Esteban, M. Ebrahim-Zadeh, S. Been, R.M. Verdaasdonk, P.G. Schunemann, K.T. Zawilski, V. Petrov

Research output: Contribution in Book/Catalog/Report/Conference proceedingChapter

Abstract

Optical parametric oscillators (OPOs) are attractive tools for research on tissue ablation upon infrared irradiation. Here, we report on the performance of several mid-infrared nonlinear crystals, namely type I and type II AgGaS (AGS) and type I CdSiP (CSP), used in synchronously-pumped OPOs tuned to a wavelength of 6.45 μm, coinciding with the amide II absorption band of proteins. CSP-based OPOs clearly exhibit better performance in comparison to AGS: First, the oscillation threshold with CSP is three (five) times lower than type II (type I) AGS. Second, the idler conversion efficiency is more favourable for CSP and allows reaching 27.5 mW of idler average power, while 13 and 6 mW are obtained with type II and type I AGS, respectively. Such performance makes CSP suitable for high power 6.45 μm surgical applications. Preliminary ablation experiments on liver tissues with our CSP-based OPO highlight the promising future of CSP in medical applications.
Original languageEnglish
Title of host publicationProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume8092
DOIs
Publication statusPublished - 1 Jan 2011

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parametric amplifiers
ablation
liver
amides
proteins
absorption spectra
oscillations
irradiation
thresholds
wavelengths
crystals

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Hendaoui, N., Mani, A. A., Kakudgi, E., Peremans, A., Silien, C., Bruyninckx-Calis, V., ... Petrov, V. (2011). Soft tissue ablation by picosecond synchronously-pumped CdSiP -based optical parametric oscillator tuned to 6.45 μm. In Progress in Biomedical Optics and Imaging - Proceedings of SPIE (Vol. 8092) https://doi.org/10.1117/12.889998
Hendaoui, N. ; Mani, A.A. ; Kakudgi, E. ; Peremans, A. ; Silien, C. ; Bruyninckx-Calis, Vincent ; Esteban, A. ; Ebrahim-Zadeh, M. ; Been, S. ; Verdaasdonk, R.M. ; Schunemann, P.G. ; Zawilski, K.T. ; Petrov, V. / Soft tissue ablation by picosecond synchronously-pumped CdSiP -based optical parametric oscillator tuned to 6.45 μm. Progress in Biomedical Optics and Imaging - Proceedings of SPIE. Vol. 8092 2011.
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abstract = "Optical parametric oscillators (OPOs) are attractive tools for research on tissue ablation upon infrared irradiation. Here, we report on the performance of several mid-infrared nonlinear crystals, namely type I and type II AgGaS (AGS) and type I CdSiP (CSP), used in synchronously-pumped OPOs tuned to a wavelength of 6.45 μm, coinciding with the amide II absorption band of proteins. CSP-based OPOs clearly exhibit better performance in comparison to AGS: First, the oscillation threshold with CSP is three (five) times lower than type II (type I) AGS. Second, the idler conversion efficiency is more favourable for CSP and allows reaching 27.5 mW of idler average power, while 13 and 6 mW are obtained with type II and type I AGS, respectively. Such performance makes CSP suitable for high power 6.45 μm surgical applications. Preliminary ablation experiments on liver tissues with our CSP-based OPO highlight the promising future of CSP in medical applications.",
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Hendaoui, N, Mani, AA, Kakudgi, E, Peremans, A, Silien, C, Bruyninckx-Calis, V, Esteban, A, Ebrahim-Zadeh, M, Been, S, Verdaasdonk, RM, Schunemann, PG, Zawilski, KT & Petrov, V 2011, Soft tissue ablation by picosecond synchronously-pumped CdSiP -based optical parametric oscillator tuned to 6.45 μm. in Progress in Biomedical Optics and Imaging - Proceedings of SPIE. vol. 8092. https://doi.org/10.1117/12.889998

Soft tissue ablation by picosecond synchronously-pumped CdSiP -based optical parametric oscillator tuned to 6.45 μm. / Hendaoui, N.; Mani, A.A.; Kakudgi, E.; Peremans, A.; Silien, C.; Bruyninckx-Calis, Vincent; Esteban, A.; Ebrahim-Zadeh, M.; Been, S.; Verdaasdonk, R.M.; Schunemann, P.G.; Zawilski, K.T.; Petrov, V.

Progress in Biomedical Optics and Imaging - Proceedings of SPIE. Vol. 8092 2011.

Research output: Contribution in Book/Catalog/Report/Conference proceedingChapter

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T1 - Soft tissue ablation by picosecond synchronously-pumped CdSiP -based optical parametric oscillator tuned to 6.45 μm

AU - Hendaoui, N.

AU - Mani, A.A.

AU - Kakudgi, E.

AU - Peremans, A.

AU - Silien, C.

AU - Bruyninckx-Calis, Vincent

AU - Esteban, A.

AU - Ebrahim-Zadeh, M.

AU - Been, S.

AU - Verdaasdonk, R.M.

AU - Schunemann, P.G.

AU - Zawilski, K.T.

AU - Petrov, V.

PY - 2011/1/1

Y1 - 2011/1/1

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VL - 8092

BT - Progress in Biomedical Optics and Imaging - Proceedings of SPIE

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Hendaoui N, Mani AA, Kakudgi E, Peremans A, Silien C, Bruyninckx-Calis V et al. Soft tissue ablation by picosecond synchronously-pumped CdSiP -based optical parametric oscillator tuned to 6.45 μm. In Progress in Biomedical Optics and Imaging - Proceedings of SPIE. Vol. 8092. 2011 https://doi.org/10.1117/12.889998