Crylink

ZGP Crystal mid-IR nonlinear crystal – LASER CRYLINK Description ZnGeP2 （ Zinc germanium phosphide ） crystal has many good properties and is an mid-IR nonlinear crystal. The nonlinear susceptibility of ZnGeP2 (ZGP) crystal is approximately 160 times large (d36~75 pm/V) as KDP, ZGP shows good optical transparency over the 740 – 12000 nm and relatively high laser damage threshold and is therefore well suited for producing near infrared tunable laser. ZGP is a very hopeful material for mid-infrared devices such as SHG, SFG, OPO, and OPG/OPA. laser crylink Feature ·         Nonlinear coefficient is large ·         The region of transmission is from 0.74 um to 12um ·         High relative damage threshold ·         High thermal conductivity ·         The region of transparency is wide ·         Phase matching over a broad spectral region Application ·       Producing coherent radiation in sub-millimeter-range from 70.0 μm to 1000 μm – terahertz range ·      Combining f

 BBO nonlinear optical crystals – LASER CRYLINK Description BBO Crystal is a one of the most important nonlinear optical crystals, beta-barium borate (β-BaB2O4 ， β-BBO) combines many outstanding features such as its high nonlinear optical coefficients, low group-velocity dispersion, broad transparency range (189–3500 nm) and high damage threshold. This unique combination ensures β-BBO crystal a promising candidate for a wide range of nonlinear optical applications such as frequency converters and optical parametric oscillators. In the realm of quantum optics, β-BBO crystal can be used to generate entangled photon pairs and ten-photon entanglement. click here BBO nonlinear crystal is a negative uniaxial crystal, which provides phase matching for various second-order interactions almost over its entire transparency range (from 185 nm to 3.3 µm, as deduced from the transmittance measurements using crystal samples of several mm thickness), making it a widely used crystal for nonlinear

  TSAG Faraday magneto-optical crystal – NANJING CRYLINK Description TSAG Faraday crystal is an ideal magneto-optical crystal, which is mainly used in the wavelength range of 400-1600 nanometers, namely the visible and infrared bands. TSAG is an indispensable crystal for the next generation of high-power lasers due to its advantages of high constant, good thermal and mechanical properties. Compared with TGG, the Verdet constant at 1064 nm of TSAG is 20 % higher and the absorption is 30 % lower. Recently, the optical and scintillation properties of TSAG (Tb3Sc2Al3O12) crystal was investigated, and capabilities to be used as a scintillator screen was demonstrated. Feature Large Verdet constant（48 radT-1m-1 at 1064 nm），about 20% higher than that of TGG; Low absorption（＜3000 ppm/cm at 1064 nm），about 30% less than that of TGG; High power compliant; Low thermally-induced birefringence; Making the isolator small. Application Faraday isolator Imaging applications

 TGG magneto-optical crystal – NANJING CRYLINK The feld constant of TGG is twice that of terbium doped glass. The thermal conductivity of crystal TGG is one order of magnitude larger than that of typical glass. The optical loss of TGG is lower than that of terbium doped glass. The combination of the above factors makes TGG more suitable for high average power applications. The main limiting factor is thermally induced beam distortion. At the same power load level, the beam distortion of TGG glass is smaller than that of TB doped glass. Terbium gallium garnet (TGG) is a synthetic garnet with the chemical composition of tb3ga5o12. This is a Faraday rotator material with excellent transparency and laser damage resistance. TGG can be used in optical isolator of laser system, optical circulator of optical fiber system, optical modulator, and current and magnetic field sensor. see more 

 TeO2 acousto-optic crystal Q-switch – CRYLINK Click here Tellurium Dioxide (TeO2, Paratellurite)is an excellent acousto-optic crystal material, it is widely applied in the production of Acousto-optic modulator (AOM), Acousto-optical deflector（AOD), Acousto-optical tunable filter (AOTF), Laser Q-switches, RF spectrum analyzers in laser technology science and optoelectronic technology， because of its high figure of merit ,which depended on high elastic coefficient and high refractive index. TeO2 acousto-optic deflectors are more suitable for acousto-optic effects with high diffraction efficiency, long bandwidth, and high beam deflection speed. TeO2has been widely used to fabricate anomalous acousto-optic devices.

  RTP electro-optical Q switch large nonlinear optical coefficient – CRYLINK CLICK HERE RbTiOPO4(RTP) crystal is a kind of nonlinear optical crystal material with excellent comprehensive properties. RTP is currently the most used type of practical electro-optic crystals with high frequency repetition, high power and narrow pulse width laser Q switching. RTP electro-optical devices are not only used in laser micromachining and laser ranging, but also in major scientific exploration projects because of their excellent comprehensive performance. RbTiOPO4(RTP)—a crystal with large nonlinear optical coefficient, large electro-optical coefficient, high photoresist damage threshold and stable physical and chemical properties The growth temperature ranges from 950 °C to 800 °C and the growth period is usually between 45 and 60 days. As RTP is transparent from 0.4 to 3.5 μm, it can be used in multiple types of laser such as Er:YAG laser at 2.94 μm with fairly good efficiency. Bulk absorption m

  KTP Electro-optic Q-switch Crystal - CRYLINK CLICK HERE Nonlinear optical crystal KTiOPO4 (KTP) has excellent frequency doubling performance: large nonlinear coefficient, no delixation, optical damage threshold up to GW/cm2, and little change of phase matching condition with temperature. According to practical experience, crystals with large nonlinear coefficients often have excellent electro-optical properties. The successful development of low conductivity KTP crystal by molten salt method has greatly promoted the practical application of KTP electro-optic devices, especially in the field of high-frequency modulation.

  CLICK HERE LGS (La3Ga5SiO14) is a multifunctional intraocular crystal that can be used as an electro-optic crystal after considering and studying the interaction between electro-optic effect and optical rotation in functional crystals. The LGS electro-optic Q switch passes light along the Z direction of the crystal and applies an electric field along the X direction, which can make full use of the lateral electro-optic effect of the crystal to realize the Q-switch function of the LGS crystal. The electro-optic Q-switch made by LGS is a new kind of rotation-electro-optical Q-switch. Because of the effect of optical rotation, it can be used as a practical switch and a good Q-modulation result can be obtained. LGS crystal widens the new direction of exploring and discovering new electro-optic crystals from optically active crystals.

  LiNbO3 Electro-optical crystal for optical modulation and Q-switching - CRYLINK CLICK HERE Lithium niobate crystal has unique electro-optic, piezoelectric, photoelastic and nonlinear optical properties. They are strongly birefringent. They are used in laser frequency doubling, nonlinear optics, Pockel battery, optical parametric oscillator, laser Q-switching device, other acousto-optic devices, optical switches at gigahertz frequency, etc. It is an excellent material for manufacturing optical waveguides.

  LiTaO3 electro-optic crystal to measure the electric field - CRYLINK    CLICK HERE LiTaO3 crystal belongs to 3m crystal system. The transverse electro-optic modulation of the crystal can be used to measure the electric field. LiTaO3 has excellent electro-optic properties, it has higher electro-optic coefficient than LiNbO3, higher optical damage threshold, lower birefringence, wide transmission band, and high light transmittance. The crystals produced by different crystal growth methods have different optical damage thresholds, the LiTaO3 crystal prepared by top-seeded solution method is one order of magnitude higher than that of the same component crystal. As an electro-optical crystal for measuring an electric field, LiTaO3 is widely used because of its large electro-optic coefficient, which makes it highly sensitive in measurement ,and the wafer fabrication cost is low.

  Cr GSGG crystal to provide Q-switched operation of the ruby laser – CRYLINK CLICK HERE Cr GSGG crystal (Cr doped Gadolinium scandium gallium garnet) is a laser material with high efficiency. An electro-optic shutter element was first utilized to provide Q-switched operation of the ruby laser. Passive Q-switched ruby lasers were achieved with saturable dye absorbers and colored glass (compounds of selenium and cadmium sulfide. Recently the operational characteristics of a dye Q-switch for a pulsed ruby laser was still studied for application in underwater holography. However, the dye Q-switch was limited in durability because of degradation (decomposition) of the dyes and the glass Q-switch was readily damaged. Thus, the tetravalent chromium doped gadolinium scandium gallium garnet Gd3Sc2Ga3O12 (Cr4+: GSGG) passive Q-switch ruby laser-offers for the first time high reliability, durability and high efficiency.

Cr4+:YAG crystal used as Q-switch and gain medium - Laser Crylink   Cr4+:YAG crystal can be used not only as Q-switch but also as gain medium because of its excellent physicochemical properties. The Q-switch operation of pulse and CW Nd:YAG lasers has been realized by using Cr4+:YAG as Q-switch, and the CW tunable and self-mode-locked operation has also been realized by using CR4 +: YAG as gain medium. Compared with the traditional saturable absorber, Cr: YAG is superior to the traditional saturable absorber in many aspects. The doping concentration of Cr4+ ion in Cr4+:YAG is as high as 1018 cm-3, which can effectively reduce the size of passive Q-switch elements. It is beneficial to achieve high optical conversion efficiency, integration, and compact passive Q-switch laser. CLICK HERE to LEARN MORE@CRYLINK

 V:YAG crystal for passively Q-switch solid-state laser at 1. 3μm - CRYLINK     V: YAG crystal is a new material of laser saturable absorber and passive Q-switch in wavelength range of 1.06μm-1.44 μ m. It is especially suitable for neodymium laser of 1. 3 μ m. It is an excellent saturable absorber material in wave band of 1300nm.There are four chemical values of V element: + 2, + 3, + 4 and + 5. The V3 + ions with + 3 valence are commonly used Q-switch and saturable absorbent ions, which are doped into YAG matrix crystals to realize the passive Q-switch and mode-locking of laser.  In the passively Q-switch solid-state laser, the laser has the advantages of good stability, long lifetime, miniaturization, simplicity, and practicality. CLICK HERE @CRYLINK

 Co spinel for the passive Q-switching of solid-state lasers operating at eye-safe  1.5 μm - CRYLINK Co:Spinel (Cobalt-doped magnesium aluminate spinel; Co:MgAl2O4) allows the generation of short nanosecond pulse with high peak power around the eye-safe wavelength of 1.5um,perfect for telemetry applications. The absorption spectrum of Co2+-doped MgAl2O4 exhibited a broad absorption band in the wavelength range of 1200–1600 nm, which indicated that Co2+ ions substituted for the tetrahedrally coordinated Mg2+ ions in the MgAl2O4 lattice. Passive Q-switching of solid-state lasers with solid-state saturable absorbers is a very attractive Q-switching technique because it allows to develop compact and low cost laser sources of nano and sub nanosecond pulses far various applications. Learn More by Crylink

 Er, Cr, Yb: Glass laser glass for eye safe 1.5 μm laser of lidar ranging and medical application @CRYLINK Erbium Glass doped with Er3+, Yb3+ and Cr3+, Erbium doped glass laser provides a useful coherent source in the spectral range near 1.5 μm, which is relatively safe for the human eye and is convenient in many applications, such as lidar and range measurements, fiber-optic communication, and laser surgery. In spite of the considerable progress in the development of InGaAs laser diode pump sources, Xe flashlamp will continue to be used as pump sources of Er:glass lasers because of their high reliability and low cost, and also the simplicity of design of such systems. Since about half the flashlamp radiation energy is emitted in the visible and near infrared (IR) ranges, a second sensitizer Cr3+ is introduced into Yb-Er laser glasses to utilize this energy.