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Cr: YAG crystal , also known as chrome-doped yttrium aluminum garnet, is a good passive Q-switching product or saturated absorber. Cr: YAG crystals (passive Q-switches, saturated absorbing) provide high-power laser pulses without the need for electro-optic Q-switches. Such passive Q-switching materials or saturated absorbers can significantly reduce the pulsed laser and stay clear of the high voltage power supply of electro-optic Q-switches. Cr4+: YAG (chromium-doped yttrium light weight aluminum garnet) is widely utilized in Nd: YAG, Nd: Ce: YAG, Nd: YLF, Nd: YVO4, Yb: YAG lasers with wavelengths ranging from 800nm to 1200 nm. Easy Q-switches or saturable absorbers can give high-power laser pulses in the absence of EO Q-switches. Cr4+: YAG crystals are excellent crystals for passive Q-switched diode-pumped or light pumped Nd: YAG, Nd: YLF, Nd: YVO4 or other Nd and also YB-doped lasers at wavelengths ranging from 0.8 to 1.2 µm. Due to its chemical stability, longevity, UV resistance, g

1. Pockels Cells Based on the electro-optic effect , when the applied electric area acts on the Pockels cell crystal ( electro-optic crystal ), the Pockels cell crystal (electro-optic crystal) is like a wave plate whose phase delay is related to the used electric field. The polarization state of the outbound light from the Pockels cell crystal will certainly change so that the strength as well as amplitude of the outbound light from the analyzer are regulated, which is electro-optic inflection, and the modulation tool is called a Pockels cell. 2. Pockels cell crystal The crystals that produce the electro-optical effect are called Pockels cell crystals, that is, electro-optical crystals. They each have their benefits. Presently, the major Pockels cell crystals on the marketplace consist of BBO crystals , DKDP crystals , KTP crystals , as well as LN (LiNbO3) crystals . (1) BBO crystal BBO crystal , additionally called barium metaborate crystal, chemical formula BaB2O4, is an electro-opt

Er: YAG crystal , likewise referred to as erbium-doped yttrium aluminum garnet, with the chemical formula Er: Y3Al5O12, is a well-integrated laser crystal currently commonly made use of in the clinical field fields. Er: YAG crystal is based upon YAG crystal as well as Er3+ ions as doping ions. It comes from the cubic crystal system and is one of the laser crystals that work at room temperature. Er: YAG crystal has an abundant energy level structure and also great laser performance. It can stably send out lasers with wavelengths of 1.64 μm, 1.78 μm, and also 2.94 μm, permitting high-concentration ion doping, and the power degree lifetime of the laser decreases when high doping is used. Little, the laser performance is boosted. The 2.94 μm emission wavelength of Er: YAG with a doping focus of 50% is located at the water absorption optimal, which can be highly soaked up by water molecules as well as can also be absorbed by biological cells. Since the absorption coefficient of water at thi

 (1) What is Er glass？ Er3+, Yb3+ co-doped phosphate glass ( Er, Yb: phosphate glass ) is a popular and normally used active device for lasers generating in the "eye-safe" spectral range of 1,5-1,6 µm. (2) What's the system of erbium glass? Phosphate glass integrates a long life time (~ 8 ms) of 4I13/2 Er3+ top laser degree with a low (2-3 ms) life time of 4I11/2 Er3+ level that continues to be in vibration with Yb3+ 2F5/2 fired up state. Quick non-radiative multi-phonon leisure from 4I11/2 to 4I13/2 level significantly reduces the back-energy transfer as well as up-conversion losses due to the communication between Yb3+ and also Er3+ ions, thrilled at the 2F5/2 along with the 4I11/2 levels, respectively. Essentially continuously, erbium-ytterbium-doped phosphate glass is pumped with wavelengths around the 975-nm absorption height of Yb3+ ions. That leads to the excitation of the ytterbium ions. Afterwards, the excitation power might be transferred to close-by erbium ions

Neodymium doped yttrium vanadate (Nd: YVO4) is a kind of laser crystal extensively utilized at present. It has superb efficiency as well as is among the major laser crystals for semiconductor pumped solid state lasers today. Nd: YVO4 crystal is a tetragonal crystal, belonging to the uniaxial crystal system, which is composed of doped ion Nd and also laser matrix YVO4. Compared to another frequently utilized Nd: YAG crystal, Nd: YVO4 has the advantage of higher absorption coefficient. In a specific variety of absorption transmission capacity, the absorption effectiveness of Nd: YVO4 is 5 times that of Nd: YAG, the transmission capacity is 2.4-6.3 times that of Nd: YAG, as well as the peak wavelength of the absorption top is reached at concerning 808nm, which has satisfied the requirements of present high-power laser diodes. The boosted sample of Nd: YVO4 at 1064nm and also 1342nm are bigger, and also the boosted random sample of Nd: YAG at 1064nm have to do with 3 times that of Nd: YAG

Nd: YAG crystal product, likewise called neodymium-doped yttrium aluminium garnet crystal, is a sort of laser tool crystal with good thorough efficiency for solid-state laser. YAG has been and will continue to be the extra widely utilized laser crystal; whether strong state or light pump, CW or pulse, it has an one-of-a-kind mix of qualities conducive to laser operation. Nd: YAG pump tube of using triggered compounds crystal generally krypton light or xenon lamp and pump broadband discharge range is a continual range, however only a few fixed spectrum top absorbed by neodymium ions, so the pump is just a small part of the advantageous spectrum energy is used, and also most are not taken in spectrum power is transformed to heat, so the power utilization proportion is low. The Nd: YAG absorption range ranges from 0730 to 0760 microns and also 0.790 microns to 0.820 microns. The spectrum can be taken in, and after that it will trigger the atom to shift from reduced to higher power degre