The KGW Crystal Diaries
The KGW Crystal Diaries
Blog Article
Publish your analysis on American Aspect website Unravelling the dissociation pathways of acetic acid on electron transfer in potassium collisions: experimental and theoretical reports.
Here you'll be able to submit inquiries and reviews. As far as they get recognized from the author, they are going to show up over this paragraph along with the writer’s respond to. The author will determine acceptance depending on selected standards. Primarily, The difficulty need to be of sufficiently broad fascination.
For many purposes, tungstates give a mix of numerous helpful Attributes. Specifically for passive method locking, ytterbium-doped double tungstates are often outstanding to other media concerning the combination of significant gain bandwidth, massive cross-sections, and relatively good thermal properties �?Regardless that in Every individual self-discipline much better products may very well be discovered.
The red-shifted Component of the SC is of useful worth, especially for what problems the general performance of broadly tunable optical parametric amplifiers pumped by the fundamental harmonics of Yb lasers. The shortage of seed photons inside the extensive-wavelength location in the SC spectrum limitations the amplification performance and brings about pulse-to-pulse Power fluctuations within the degeneracy location from the optical parametric amplifier. This element is quantified in Fig. 6a by plotting the SC spectra concerning spectral Vitality density, which was believed by measuring the energy of the axial Portion of SC radiation (which happens to be the sole virtually beneficial Portion of SC emission). KGW crystal generates the best spectral Electricity density while in the 1200�?450 nm vary, as mentioned inside a recent study30.
-switched mode. The bandwidth during the orthogonal orientation was Plainly Substantially broader. The calculated Fourier change restricted pulse duration was as small as sub-one hundred sixty fs. Underneath the configuration where by The 2 crystals had been placed in the exact same orientation, While using the seed input, the amplified pulse bandwidth was only three nm with one hundred eighty μJ Electrical power when it broke the dichroic mirrors.
It is a preview of membership content material, log in by using an institution to examine entry. Entry this text
The opposite was placed with its Np -axis parallel While using the s-polarized route. A comparison was made in between a configuration Along with the crystals put in exactly the same orientation (
In its elemental variety, gadolinium includes a silvery-white look. Gadolinium can be a unusual earth or lanthanide factor that possesses exclusive Qualities beneficial to specialized applications such as semiconductor fabrication and nuclear reactor shielding. It is used for each its large magnetic moment (seven.94μ B) and in phosphors and scintillator crystals. When complexed with EDTA ligands, it's used as an injectable distinction agent for MRIs. The aspect is named after the Finnish chemist and geologist Johan Gadolin.
Thermal effects are substantially more compact in KGW. This along with the higher damage threshold make the crystal an excellent applicant for energy scaling. Evaluating Ba(NO3)2 and KGW for Raman application Ba(NO3)2 are more effective in the event of ns pulses and KGW �?in the event of ps pulses.
There aren't any items with your cart. Include goods in your cart and request an Formal quote or purchase on-line Subtotal
Although BGO, GGG, YSO, LSO and LYSO occasionally serve as laser hosts37, they are primarily identified as efficient scintillators, whose scintillation Attributes are examined rather well38. Nonetheless, the nonlinear optical Qualities of these crystals and so their potential to serve as nonlinear materials for SC technology especially, and another experiments relating to nonlinear propagation of intense femtosecond laser pulses, continue being extremely inadequately studied. To date, GGG, LT23,25 and YSO24 ended up only sketchily tested for SC technology with Ti:sapphire laser pumping, on the other hand, to the top of our knowledge, click here none of the investigated products had been examined with Yb-laser pumping, especially for what fears their efficiency at pretty large (tens to hundreds of kHz) pulse repetition premiums.
The Yb:KGW laser procedure features a quasi-a few-amount habits. The net attain on the Yb:KGW crystal was not significant: several tens of roundtrips have been needed to amplify the nanojoule seed to your millijoule degree. Thus, the achieve-narrowing outcome was inevitable in Yb:KGW regenerative amplifiers.
The scattered photons have a unique wavelength and Vitality as opposed to incident photons, which produces a Raman spectrum.
Both equally energies are marked with the dashed strains and their values are labeled during the plots. The similar features were being also observed in KGW and YAG crystals, whose spectral broadening dynamics are shown for the comparison in Fig. 4.