Pockels Cells and Their Crystals

  • DKDP or  KD*P crystals have high electro-optic coefficients, which makes well-suited for pockels cells Q-switches applications. DKDP crystals also have good transmission at UV to 1.1µm, makes the DKDP pockels cells suitable for applications with wavelengths from the UV to approximately 1.1 µm . Hangzhou Shalom EO offers the DKDP pockels cells with output aperture from 6mm-12mm,  some types of stocked pockels cells are available in fast delivery and low cost.
  • LiNbO3 crystals have become the most commonly used material for Q-switches and phase modulators for its high EO coefficients. With an electric field applied transverse to the direction of light propagation, LiNBO3 cells can be configured to operate at a lower voltage than comparable KD*P cells. LiNbO3 can also be a good choice for infrared wavelengths as long as 4.0 µm, Hangzhou Shalom EO offers the pockels cells made from MgO:LiNbO3 crystals, with aperture size of 2.5mm to 9mm.
  • BBO is one of the electro-optic material choices for high average power E-O Q Switch applications. BBO has significant advantages over other materials in terms of laser power handling abilities, temperature stability, and substantial freedom from piezoelectric ringing. Because it relies on the electro optic effect, switching time - aided by the low capacitance of the E-O Q Switch is very fast. The wide transparency range of BBO allows it to be used in diverse applications. 
  • KD*P or DKDP crystals are routinely used for Q-switching applications with wavelengths from the UV to approximately 1.1 µm. Beyond 1.1 µm, absorption limits KD*P’s use in active cavities unless the application can tolerate a few percent of absorption. Hangzhou Shalom EO offers the DKDP crystals of high deuteration (>98%) for KD*P pockels cells applications, the blanks, polished crystals and the coating and Au-electroded crystals elements are available.
  • LiNbO3 crystals have become the most commonly used material for Q-switches and phase modulators for its high EO coefficients. With an electric field applied transverse to the direction of light propagation, LiNBO3 cells can be configured to operate at a lower voltage than comparable KD*P cells. LiNbO3 can also be a good choice for infrared wavelengths as long as 4.0 µm. Hangzhou Shalom EO offers the polished and coated and Au-Cr electroded LiNbO3 crystals components for LiNbO3 pockels cells applications.
  • Beta-Barium Borate ( BBO) crystal is an excellent electro-optical crystal for high power applications at the wavelenght range from 200nm to 2,500nm. It could be used as the EO Q-switches crystals, Hangzhou Shalom EO offers the polished and Au-Cr electroded crystals for pockels cells applications, and there is stocked crystals for several usual modules, and customized size is available upon customer’s request.
  • Tellurium Dioxide, or TeO2  are widely used as acousto-optic modulators because of their high acousto-optic figure of merit. Hangzhou Shalom Electro-optics Technology Co., Ltd. supplies the whole TeO2 crystals boules for the AO Q-switch of laser applications.

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