单�?双�?全�?恢�?缩略图 幻灯片 视�?标�?�?批�?
To get usage of this information, you should finish the Recommendation Form and We'll follow up with your librarian or Institution with your behalf.
You don't have subscription access to this journal. Figure documents are available to subscribers only. Chances are you'll subscribe possibly as an Optica member, or as an authorized person within your establishment. Call your librarian or process administrator or
Several courses of IR NLO resources with excellent Total general performance are already observed, which include BaGa4Se7 and BaGa2GeSe6. Furthermore, the research on these products has gone outside of crystal construction and preliminary characterization. Fantastic efforts happen to be performed in the bulk crystal expansion, from the comprehensive measurement in their Actual physical Attributes working with bulk crystals, within the analysis in their IR laser output efficiency, and at some point inside the fabrication of laser gadget. Inside the frequency down-conversion OPOs pumped by the traditional 1 µm laser, BaGa4Se7 has realized the secure output of mid-considerably IR laser output with the very best electricity and widest wavelength vary thus far. In this particular overview, instead of covering all compounds with IR NLO properties, our discussion will only give attention to People demonstrating very good overall IR NLO efficiency and application prospect, Primarily on People of which massive dimension one crystals have been now acquired. This review then concludes having an outlook on what initiatives could possibly be built Later on.
We make superior-purchase harmonics from crystalline solids utilizing a tunable mid-IR OPA with 50 kHz repetition rate. Applying nonlinear self-compression in YAG crystals, we crank out sub three-cycle pulses at 3.eight μm wavelength for prime harmonic spectroscopy. Go through additional
Call us if you need help accessing this content material Find out about institutional subscriptions 3D Interactive Structure This webpage is really a preview of subscription material
0 Abstract Abstract: BaGa4Se7 (BGSe) and BaGa2GeSe6 (BGGSe) crystals are novel infrared nonlinear optical products independently designed by Chinese researchers. Due to the great comprehensive effectiveness as well as essential application price in laser industry, they've captivated A great deal focus in the home and abroad.
The progress of crystal development and laser output of BGSe and BGGSe are summarized, and the future advancement is prospected.
During the last decades, mid-infrared (3–twelve μm) laser resources making use of crystals with nonlinear optical Houses have attracted a certain notice due to their potential applications in various fields which include optical counter-steps and remote chemical sensing. As transparency of prevalent oxide crystals is restricted to about four μm, a lot of researches are already centered on chalcopyrite compounds thanks to their wide transparency inside the mid-IR array as well as their powerful nonlinear optical coefficients. There exists a have to have of this kind of crystals equipped to transform proficiently the in close proximity to infrared wavelengths from commercially out there lasers into wavelengths bigger than five μm by Optical Parametric Oscillators (OPO) systems.
Be a part of ResearchGate to find out and not sleep-to-date with the latest investigate from primary professionals in CO2 Laser and many other scientific matters.
The uniaxial nonlinear crystals BaGa2GeS6 and BaGa2GeSe6 are characterised regarding thermal diffusivity and distinct heat above a temperature number of -90 to 250 °C for warmth propagation along and perpendicular to the c -axis.
A thermo-optic dispersion formula for BaGa2GeSe6 rm BaGa _2 rm GeSe _6 B a G a 2 G e S e six nonlinear crystal is documented. The experimentally determined temperature-dependent section-matching situations for 2nd-harmonic and sum-frequency era of Nd:YAG laser-pumped KTiOPO4 rm KTiOPO _4 K T i O P O 4 (KTP) and RbTiOAsO4 rm RbTiOAsO _4 R b T i O A s O four (RTA) optical parametric oscillators as well as a CO2 rm CO _2 C O two laser and its harmonics within the 0.
$ rm BaGa _2 rm GeSe _6$ (BGGSe) is a recently formulated nonlinear material that is interesting for ultrabroad frequency mixing and ultrashort pulse era on account of its comparably small dispersion and substantial hurt threshold. A numerical research demonstrates the fabric’s ability for octave-spanning mid-infrared pulse era as much as 18 µm. In a first experiment, we present that an extended crystal duration of 2.
It is actually demonstrated that there are wavelength combinations at which the check here successful nonlinearity coefficient may differ only a bit in a broad frequency band.
BaGa2GeSe6 crystals are used for nonlinear optical frequency conversion inside their transparency array. The wavelengths at which utmost conversion efficiencies might be obtained plus the tuning variety for difference-frequency generation are found.