Nonlinear Crystals (Flatness: <= Lambda/6)

BaGa2GeSe6 (BGGSe) Crystal: Advanced Nonlinear Optical Material for Ultrafast Mid-IR Pulse Generation

In 2016, for the first time in the world, a new nonlinear crystal of high optical quality BaGa2GeSe6 was obtained, which has nonlinearity coefficients d11 = 23.6, d22 = 18.5, d31 = 18.3 pm/V. Transmission range ...

AgGaS2 Negative Uniaxial Crystal

AgGaS2 is a negative uniaxial crystal: no > ne. The symmetry class is tetragonal D2d, spatial group D2 d12. The transparency range is 0.47–12.5 microns. The nonlinear coefficient d36 = 12.5 pm/V. ...

BaGa4Se7 (BGSe) Crystal: High-Efficiency Nonlinear Optical Material with Wide Transparency Range

BaGa4Se7 (BGSe) is the latest promising chalcogenide crystal with large nonlinear optical coefficients (d11 = 24.3 pm/V and d13 = 20.4 pm/V) and a wide transparency range of 0.47—18 microns [18-22]. The tuning ...

PbGa2S4:Dy3+ Crystal: Efficient Dual Transition Laser Generation in the Mid-IR Range

Generation was obtained at two transitions of the Dy3+ 6H11/2 — 6H13/2 and 6H9/2 — 6H11/2 ion according to a cascade scheme. The pumping was carried out by the YAG-Nd3+ laser at a wavelength of 1.38 ...

BaGa4S7 (BGS) Crystal: Advanced Nonlinear Optical Material for Mid-IR Applications

BaGa4S7(BGS) crystals were grown by the Bridgman-Stockbarger method in the laboratory, and its selenium-containing analogue BaGa4Se7(BGSe) was obtained for the first time with dimensions large enough to measure the ...

BaGa2GeSe6 Nonlinear Crystal

This is a BaGa2GeSe6 Nonlinear Crystal. It has a nonlinear coefficients of d11 = +23,6, d22 = -18,5, d31 = +18,3 pm/W. Transmission range is 0,522–18 um, The width of the forbidden range is 2.38 eV, ...

HgGa2S4 Nonlinear Crystal

HgGa2S4 is a negative single axis crystal: no>ne, tetragonal syngony. The transparency region of this crystal is between 0.5 and 13.  Nonlinear coefficient is 26.8 pm/W. Birefringence ne-no = -0.053. Thermal ...

AgGaS2 Crystal

AgGaS2(AGS) crystal is transparent from 0.50 to 13.2 um. AGS crytal\'s high short wavelength transparency edging at 550nm is made use od in OPOs pumped by Nd:YAG laser; in numerous difference frequenty mixing ...

AgGaSe2 Crystal

AgGaSe2(AGSe) crystals have band edges at 0.73um and 18um. Its applicable transmission range 0.9-16um and wide phase matching capability provide excellent potential for OPO application when pumped by a variety of ...