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CoupletechCo.Ltd.

CoupletechCo.Ltd.
location Jinan, China

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Our Products

  1. Laser Crystal 25 Products available
  2. Optical Element 22 Products available
  3. Nolinear Optical Crystal 17 Products available
  4. Pockels Cell 14 Products available
  5. Polarizing Optic 12 Products available
  6. Diode Pumped Pulsed 3 Products available
  7. Pockels Cell Driver 3 Products available
  8. Mirror / Crystal Mount 2 Products available
  9. Diode Pumped CW 1 Products available
  10. Accessories 1 Products available

Pockels Cell

If you want to buy Optical Switch, Bbo Pockels Cell, LN Pockels Cell, KTP Pockels Cell. Contact Us Today.

Electro-optical Q-switch

Electro-optical Q-switch
MgO doped Lithium Niobate electro-optical Q-switch is an excellent EO Q Switch and pockels cell. LiNbO3crystal and MgO:LiNbO3 crystal are alow cost photoelectric material with good mechanical and physical properties aswell as good E-O properties. It has been widely used as frequency double, opticalparametric oscillators, quasi-phase-matched ( QPM ) devices and waveguide substratesas well as the most common material for Q-switches ( Pockels cell ) and phase modulators, LiNbO3 pockels cells are very suitable for applications in Er:YAG, Ho:YAG, Tm:YAG pulsed solid state laser system. Compared with LiNbO3, MgO:LiNbO3crystalhas revealed higher damage threshold, and we offerLithium Niobate and MgO:LiNbO3 crystal Pockels cells with AR coated (wavelength up to 3000nm) for Q-Switchingand modulation. The linear electro-optic effect, also known as the Pockels cell effect, describes the variation of the refractive index of an optical medium under the influence of an external electrical field. When linearly polarized light propagates along the direction of the optical axis of the crystal, its state of polarization remains unchanged as long as no voltage is applied. When a voltage is applied, the light exits the MgO doped Lithium Niobate electro-opitcal crystal in a state of polarization which is in general elliptical.
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Double BBO Crystal Based EO Q-Switch

Double BBO Crystal Based EO Q-Switch
BBO-based Pockels cell are used to change thepolarization state of light passing through it when an voltage is applied tothe electrodes of BBO electro-optic crystals. Typical applications includeQ-switching of the laser cavity, laser cavity dumping and coupling light intoand from regenerative amplifiers. Low piezoelectric ringing makes BBO Pockels cellattractive for the control of high-power and high repetition rate lasers. Fastswitching electronic drivers properly matched to the cell are available forQ-switching, cavity dumping and other applications. BBO Pockels cells aretransverse field devices. The quarter-wave voltage is proportional to the ratioof electrode spacing and crystal length, therefore, smaller aperture, lower quarter-wavevoltage, besides, double crystal design, which has lower quarter-wave voltage, is widely used to work in half-wave mode with fast switching times. CPDBQS-0404020 has two BBO crystal series design, so the quarter-wave voltage is 2500 V, and the half-wave voltage is 5000 V, the double crystal design can extend many application of electro-optical and modulation.
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Beta Barium Borate

Beta Barium Borate
Pockels cell are used to change the polarization state of light passing through it when a voltage is applied to the electrodes of electro-optic crystals such as BBO.Beta-Barium Borate ( -BaB2O4, BBO ) with charactors wide transparency and phase matching ranges, large nonlinear coefficient, high damage threshold and excellent optical homogeneity and electro-optical properties provide attractive possibilities for various nonlinear optical applications and electro-optic applications. BBO pockels cell 2.5 x 2.5 x 25mm has the aperture: 2.0mm, lower quarter-wave voltage 2400V and lower half-wave voltage 4800V, so matched driver can reach higher repetition rate 100KHz. The size of the whole pockels cells is 20.00mm diameter, and the length is 35mm, it is really small volume for compact design, besides, protected window for sealed pockels cell design is available. Please let us know your detailed application if you need.
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BBO Electro-optic Q-Switch

BBO Electro-optic Q-Switch
For high-average power and high repetition rate applications, BBO electro-optic Q-Switch from Coupletech are the preferred alternative to KD*P pockels cells. BBO based pockels cells operate from approximately 0.2 - 2.1 m and are not subject to tracking degradation. BBO, which has low piezoelectric response, good thermal stability, and low absorption. Due to the low piezoelectric coupling coefficients of BBO cells function at repetition rates of hundreds of kilohertz. These Pockels cells work in regenerative amplifiers, high pulse repetition rate micro-machining lasers and high-average power lasers for material processing and metal annealing. BBO CPLBQS-03025 is single crystal cells which has 3 x 3 x 25 mm, the aperture is 2.6mm, quarter-wave voltage is about 3000V, without protecting windows. Repetition rate is 1 1MHz.
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Potassium Dideuterium Phosphate EO Q-Switch

Potassium Dideuterium Phosphate EO Q-Switch
Coupletech offers different of EO cells for laser components, e.g. with excellentphysical and optical property, KD*P Pockels cells are widely used in lasersystems with large caliber, high power and narrow pulse width. They are amongthe optimal electro-optic Q-switches used in pulse laser systems, including OEMlaser systems, Medical and cosmetic lasers and Versatile R&D laser systems.We offer KD*P electro-optic Q-switches standard series, and all units aretested for electro-optic function and are supplied with a quality inspectionreport and suggested alignment routine. Advantages: High deuteration (>98%) DKDP. No static birefringence No photorefractive damage Excellent electric-optical properties Compact design for OEM applications Accessible technical support Coupletech also supplies DKDP (KD*P) Q switch (Pockels cell) with electrode lead wires from two ends.
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