Study on a new type of electro-optical Q-switch of ...
Abstract A new type of electro-optical Q-switch of Langasite (La 3 Ga 5 SiO 14LGS) single crystal is introduced in this paper.LGS has been used as a type of piezoelectric crystal for a long time. It has attracted much attention due to its low acoustic velocity zero temperature.
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A new kind of EO Q-switch is designed by use of a La 3 Ga 5 SiQ 14 (LGS) crystal. ... The LGS (LG-EO-Q) series Q-switch (Pockels Cell) is a practical electro-optic device that can be used in medium output energy lasers to partially take the place of DKDP and LiNbO 3 series Q-switches.
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A new kind of electro-optic Q switch is designed by use of a La3Ga5SiQ14 (LGS) crystal. Because the LGS crystal is optically active the Q switch is based on the consideration that the total rotation angle of the polarization plane is zero whereas the polarized wave propagates through the Pockels cell back and forth with the polarization plane gyration and electro-optic effect existing ...
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A new method for measuring electro-optical coefficients of the optically active crystals. ... LGS single crystal can be configured as a Pockels cell placed in the laser cavity. ... The spot burnt by the laser pulse with LGS electro-optic Q switch.
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20-kHz watt-level green laser with LGS crystal electro-optic Q-switch. ... LGS single crystal has been configured as a Pockels cell placed in the laser cavity. ... A new EO Q-switch was ...
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A Pockels cell made of on LGS crystal was designed and was placed in the laser cavity. The schematic diagram of the configuration is shown in Fig. 4 . When light propagates along the optical axis and an electric field is applied parallel to Y -axis the transverse electrooptic effect of the LGS crystal is used.
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Product Description: Potassium Dideuterium Phosphate (DKDP KD*P) crystal are a kind of very excellent electro-optical material Coupletech can also provides DKDP Q switch for double crystal design ( DKDP pockels cell for double crystal ) the quarter-wave voltage is half as before so DKDP pockels cells with double DKDP crystal can apply in ...
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In this thesis the related parameters of LGS are treated in analysis. We use experiment method to investigate LGS's characteristics as Q-switched crystal in laser and compare it with the commonly used KD*P crystal. The advantages and disadvantages of LGS crystal are summarized in the photoelectric effect application.
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Oxide crystals for electro-optic Q-switching of lasers ... the Pockels cell crystal contrast ratio and temperature dependences on the applied high voltage pulse frequency for 10 different 3 mm×3 ...
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Para aplicações de alta potência média e alta taxa de repetição o BBO Electro-optical Q Switch da Coupletech é a alternativa preferida para as células KockPockels. O Q-Switch baseado em BBO pode operar de aproximadamente 02 - 21 µm e não está sujeito a degradação de rastreamento.
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Para aplicações de alta potência média e alta taxa de repetição o BBO Electro-optical Q Switch da Coupletech é a alternativa preferida para as células KockPockels. O Q-Switch baseado em BBO pode operar de aproximadamente 02 - 21 µm e não está sujeito a degradação de rastreamento.
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A novel LiNbO 3 (lithium niobate LN) electro-optic (EO) Q-switch that can independently operate in the pulse-on regime without the assistance of a quarter-wave plate (QWP) or analyzer was ...
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We discuss the UnISIS optical configuration describe its two science cameras its new RealTime Linux AO closed-loop control system that is capable of running at update rates that exceed 1 KHz our new Pockel's cell switch to time-gate the LGS return signal the UnISIS four-prism atmospheric dispersion compensator as well as other topics.
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The mechanical method of Q-switching was proved by using of a rotating mirror placed inside the resonator; Pockels or Kerr cells were used for the electro-optical Q-switching. The Pockels cell was constructed on the basis of the Brewster angle cut LiNb0 3 crystal; the Kerr cell …
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requires a new generation of switch pulse generator for the Plasma Electrode Pockels Cell. As currently deployed PEPC interacts with the laser on the second and third passes through the laser's main amplifier rotating the polarization of the light by two increments of 90º by employing a single high voltage pulse. On the other hand
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AgGaS 2 AgGaSe 2 GaSe LiInS 2 LiInSe 2 LiGaS 2 NEW! LiGaSe 2 NEW! ZnGeP 2. ... The new crystal is more technological with regard to the growth process in comparison with LiGaSe 2 and LiInSe2 since its homogeneity range is broader in the phase diagram. ... The Pockels cell is supplied with a control unit that is capable of synching to the ...
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The diffractive propagation distance switch consisting of a plasma-electrode Pockels cell goes to zero at these images so there is reduced am- and a polarizer.5 As the pulse is injected for its first plitude modulation near these planes. two passes through the multipass amplifier the Figure 7 is a schematic of the array of pinhole Pockels ...
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RTP Q-switched 2-micron Tm:YAG laser RTP Q-switched 2-micron Tm:YAG laser Goldring Sharone; Lebiush Eyal; Lavi Raphael 2002-03-13 00:00:00 We report a diode pumped 2μm Tm:YAG laser operating in a pulsed mode with an RTP Pockels cell as the Q-switch generator. A maximum output of 2.4mJ with a pulse width of 57ns was achieved. The crystal was pumped with an …
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SPIE Digital Library Proceedings. 160GHz to 20GHz variable rate RZ and CS-RZ pulse trains generation based on phase and attenuation tunable high-resolution AWG and its application to photonic networks
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Pockels Cell Q Switch [2] Laser Crystals [6] ANHUI CRYSTRO CRYSTAL MATERIALS Co. Ltd. ... Nonlinear Optical Crystals and Pockels Crystals More. ... Lanthanum Gallium Silicate La2Ga5SiO14 Also Know as Langasite or LGS Crystal. Contact Supplier. GAGG Ce Scintilation Crystals GAGG Ce Scintillator For Medical Imaging.
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PROCEEDINGS VOLUME 6028 ICO20: Lasers and Laser Technologies. Editor(s): Y. C. Chen; ... Study on a new type of electro-optical Q-switch of Langasite crystal Author(s): Yunfeng Ding; Liang Qiao; Zhi Diao; Haorui Xie; Zhe Jia; Yeqiu Li ... A new synchronization control circuit based on CPLD for the laser range-gated imaging system
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To confirm the practicability of the novel Q-switch a commercial LN Pockels cell (PC) which was z-cut with dimensions of 9 mm × 9 mm × 18.8 mm (X × Y × Z) and a QWP were used in the cavity. The performance of the novel pulse-on Q-switched laser was compared with that …
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With the propagating light along the optical axis and the applied electric field parallel to the x or y axis LGS single crystal has been configured as a Pockels cell placed in the laser cavity. The Pockels cell successfully acted as an on-off Q switch and the output power of the YAG laser was 2 J at modulated frequencies of 1 10 and 20 times/s.
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August 13th 2011: The replacement Pockels cell is working the new UVCCD is seeing more laser light and we were able to realign the system to the now off-axis laser projector. Below is an uncorrected image of the laser wavefront sensor - the large pattern deformation is due to mirror and collimation errors with the P60 telescope.
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The Beamlet is a single-beam prototype of future multibeam megajoule-class Nd:glass laser drivers for inertial confinement fusion. It uses a multipass main amplifier adaptive optics and efficient high-fluence frequency conversion to the third harmonic. The Beamlet amplifier contains Brewster-angle glass slabs with a clear aperture of 39 cm × 39 cm and a full-aperture plasma-electrode ...
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Investigating on stress-induced birefringence in vacuum windows of plasma-electrode Pockels cell. Jun Zhang Xiongjun Zhang Dengsheng Wu Xiaolin Tian Mingzhong Li and Haiwu Yu. TUP1_7 Conference on Lasers and Electro-Optics/Pacific Rim (CLEOPR) 2009 View: PDF
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inclusions on the face of the CdTe crystal. It is con-cluded that essentially no damage occurs to the CdTe AR coating in an operational environment of several months and in excess of a thousand shots if the average energy density is kept below x500 mJ/cm2. In the present arrangement the triple Pockels cell switchout produces a 0.3 mJ-pulse with ...
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