Nonlinear crystals Laser Crystals Laser crystals Neodymium Doped Yttrium Aluminium Garnet Properties of 1.0% Nd:YAG at 25°C Y2.97Nd0.03Al5O12 Crystal structure Melting point Mohs hardness Fluorescence lifetime Terahertz Crystals Thermal conductivity Thermal expansion Young’s modulus Raman crystals Nd:YAG crystal is the most popular lasing media for solid-state lasers. EKSMA OPTICS offers standard specifications high optical quality Nd:YAG rods with high damage threshold AR @ 1064 nm coatings. Specific heat Poisson ratio Thermal shock resistance Refractive index STANDARD RODS SIZES Code Please contact EKSMA OPTICS for further information or non-standard specifications. * rods with barrel grooving, except 10 mm at both ends of the rod without grooving. SPECIFICATIONS OF STANDARD Nd:YAG LASER RODS Nd Doping Level Laser Safety Eyewear Surface Quality Surface Flatness Related Products < 5 arcmin for plano/plano ends Diameter Tolerance Crystal Ovens both sides coated AR @ 1064 nm, R < 0.2%, AOI = 0 deg Barrel grooving Length Tolerance Clear Aperture Chamfers all dia 6.35, 8, 10, 12 mm rods with barrel grooving

Laser crystals Yb:KGW • Yb:KYW Nonlinear crystals Yb-Doped Potassium Gadolinium Tungstate Custom manufacturing capabilities ● Yb:KGW and Yb:KYW thin (100–150 µm) crystals are used as lasing mate­ ials to gene­ a­e ultrashort r r t (hundreds of fsec) high power (>22 W) pulses. Standard pumping @ 981 nm, output: 1023–1060 nm ● Yb:KGW and Yb:KYW can be used as ultra­­ short pulses amplifiers ● Yb:KGW and Yb:KYW are some of the best materials for high power thin disk lasers Laser crystals ● Various shapes (slabs, rods, cubes) ● Different dopant levels ● Diversified coatings Properties of Yb:KGW and...

Nd-Doped Potassium Gadolinium Tungstate Nonlinear crystals The efficiency of Nd:KGW lasers is 3–5 times higher than the one of Nd:YAG lasers. Nd:KGW laser medium is one of the best choices ensuring effective laser generation at low pump energies (0.5 – 1 J). These crystals supplied by EKSMA OPTICS feature high optical quality and great value of bulk resistans for laser radiation. Laser crystals Nd:KGW crystals are low lasing threshold, highly efficient laser ma­erial exceptionally t suitable for laser rangefinding appli­cations. physical and laser properties Chemical formula Lattice constants...

Laser crystals Nonlinear crystals lead thiogallate with dysprosium ions co-doped by alkali metals Physical propertieS Transmission range EKSMA OPTICS offers novel unique crystal – lead thiogallate (PbGa2S4) with dysprosium ions (Dy3+) co-doped by alkali metals. Crystal shows efficient laser emission at room temperature in mid IR range at 4.3-5.5 micron wavelengths. Laser crystals E || “Fast” axis || E ─ “Fast” axis Wavelength, nm Polarized absorption cross-section spectrum of Dy3+ ions in PbGa2S4 crystal Terahertz Crystals Oscillations Fluorescence Wavelength, nm Emission cross-section and oscillation...