Diode pumped Tm:YAP laser for eye microsurgery

Jelı́nková, Helena; Koranda, Petr; Šulc, Jan; Němec, Michal; Černý, Petr; Pasta, J

doi:10.1117/12.763112

Cited by 16 publications

(6 citation statements)

References 4 publications

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“…However, since the obtained pulse energy and duration are already well-suited to pump both the NesCOPO and a parametric OP-GaAs amplifier, future work will mainly focus on the increase of the overall system efficiency and long-term stability while maintaining a similar working point. The 20 nm tuning range we demonstrated is smaller than what has already been demonstrated with thulium lasers [5][6][7][10][11][12]. In our case, the tuning range is restricted by the current technical limitation of the fabrication process of the TC-VBG.…”

Section: Discussioncontrasting

confidence: 60%

“…Regarding tunable Tm:YAP lasers, Jelinkova et al demonstrated tunability from 1860 to 2040nm with a gain switched Tm:YAP laser using a Lyot filter. They obtained up to 42 mJ with 10 ms pulse duration and 55% slope efficiency for a repetition rate of 10 Hz [5]. Jin et al studied a passively Q-switched Tm:YAP laser with a graphene saturable absorber.…”

Section: Introductionmentioning

confidence: 99%

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Actively Q-switched tunable single-longitudinal-mode 2 µm Tm:YAP laser using a transversally chirped volume Bragg grating

Berthomé¹,

Grisard²,

Faure³

et al. 2020

Opt. Express

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A pulsed, single longitudinal mode, wavelength-tunable Tm:YAP laser is reported. We demonstrate 1 kHz stable operation with 230 µJ, 50 ns pulses and a spectrum linewidth narrowed below 4 pm (FWHM) close to the Fourier transform limit by use of a volume Bragg grating and a YAG etalon. The output wavelength was tuned from 1940 to 1960 nm owing to a transverse chirp of the period of the Bragg grating.

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Section: Discussioncontrasting

confidence: 60%

Section: Introductionmentioning

confidence: 99%

Actively Q-switched tunable single-longitudinal-mode 2 µm Tm:YAP laser using a transversally chirped volume Bragg grating

Berthomé¹,

Grisard²,

Faure³

et al. 2020

Opt. Express

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show abstract

“…In this context, to control the spectral output of the optical parametric oscillator (OPO), which is based on Vernier spectral filtering in doubly resonant cavities [1], we also need a single longitudinal mode (SLM) pumping laser. Pulsed, tunable 2 µm sources laser have been developed [3,4] but they require complex alignment or do not have narrow line-width emission and they exhibit relatively long pulses. For this purpose we fisrt built a CW 2 µm Tm:YAP laser with a transversally chirped volume Bragg grating (TC-VBG) to narrow the spectrum and perform wavelength tuning [5].…”

Section: Contextmentioning

confidence: 99%

Actively Q-switched Tunable Narrowband 2 μm Tm:YAP Laser Using a Transversally Chirped Volume Bragg Grating

Berthomé

Grisard

Faure

et al. 2019

Laser Congress 2019 (ASSL, LAC, LS&C)

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“…The laser system was a longitudinally diode-pumped Tm:YAP laser operating at 1997 nm [13]. For pumping of this laser, a fiber-coupled diode LIMO HLU30F400-790 generating at 790 nm radiation was used.…”

Section: Laser Source -Diode Pumped Tm:yap Lasermentioning

confidence: 99%

Influence of Tm:YAP laser irradiation on tensile strength for bracket debonding

Jelı́nková

Šulc

Koranda

et al. 2011

Lasers in Dentistry XVII

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The aim of our study was the investigation of tensile strength needed for bracket debonding. A diode-pumped Tm:YAP microchip laser generating a continuous 2um radiation with a maximum output power of 4W was used for debonding purposes. A group of 60 brackets was debonded using classical and laser irradiation methods -the dose from 1 W to 4 W for 60 s. The tensile strength without laser irradiation was in the range from 39.6 N (full ceramic bracket group) to 63.7 N (ceramic bracket with metal slot group). After irradiation, the tensile strength was lowered from 35.1 N (full ceramic bracket group) to 48.8 N (ceramic bracket with metal slot group). The results of our study generally agree with the previous studies, substantiating the fact that lasers can be used effectively to thermally soften the adhesive resin for removal of ceramic brackets. From the practical point of view the conclusion is that during laser irradiation thermal ablation occurs and the bracket is removed from the enamel together with the rest of the adhesive resin. Laser debonding is easier and certain heat diffusion occurred.

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Diode pumped Tm:YAP laser for eye microsurgery

Cited by 16 publications

References 4 publications

Actively Q-switched tunable single-longitudinal-mode 2 µm Tm:YAP laser using a transversally chirped volume Bragg grating

Actively Q-switched tunable single-longitudinal-mode 2 µm Tm:YAP laser using a transversally chirped volume Bragg grating

Actively Q-switched Tunable Narrowband 2 μm Tm:YAP Laser Using a Transversally Chirped Volume Bragg Grating

Influence of Tm:YAP laser irradiation on tensile strength for bracket debonding

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