The KGW Crystal Diaries
The KGW Crystal Diaries
Blog Article
Publish your investigate on American Component Internet site Unravelling the dissociation pathways of acetic acid on electron transfer in potassium collisions: experimental and theoretical scientific tests.
PDF Remember to decide on a format to avoid wasting. By making use of this assistance, you concur that you'll only preserve material for personal use, and will not likely overtly distribute them via Dropbox, Google Travel or other file sharing solutions Please ensure you take the conditions of use. Cancel
For many apps, tungstates supply a combination of several beneficial Homes. In particular for passive manner locking, ytterbium-doped double tungstates are sometimes top-quality to other media concerning The mixture of significant obtain bandwidth, huge cross-sections, and relatively good thermal properties �?Regardless that in Each and every particular self-discipline far better materials may be observed.
Thus There's small independence for optimizing the dispersion payment outcome. Sub-two hundred fs pulses can be envisioned having a broader bandwidth seed input. Because of the dual-crystal configuration, the laser cavity provides a in close proximity to diffraction constrained laser beam with M
Its pump laser demands a brief pulse length, a low time jitter, and sleek temporal and spatial distributions because of the intrinsic instantaneous procedure. Hence, the OPCPA process is a lot more intricate and high priced.
The measured Lower-off wavelengths for the limited-wavelength aspect are according to the general development of blue-shifted spectral broadening over the bandgap of nonlinear substance. Many of the nonlinear materials created sensible pink-shifted spectral broadenings beneath ailments of ideal pump pulse energies, with the most important crimson-shift exceeding 2000 nm measured in GGG crystal. Our success unveiled that GGG and BGO (which also had the bottom supercontinuum technology threshold) offer resilient, optical harm-totally free performance at a laser repetition charge of two hundred kHz, suggesting that these products are great solutions to YAG and KGW for reduced threshold, substantial normal power supercontinuum era during the around- and small-wave infrared spectral ranges. We also demonstrated that scintillating Homes of bulk resources could possibly be commonly researched inside the filamentation regime, via multiphoton excitation utilizing close to-infrared femtosecond laser pulses.
Having said that, the moment Nd3+:YAG grew to become commercially available, the fascination in CaWO4 dropped sharply. In later on many years, sure other tungstate crystals started to bring in a lot of focus.
Comparison of spectral Electricity densities of supercontinua created during the conditions of ideal pumping in the investigated materials.
The actual spectra had been reconstructed by correcting the measured spectra by having an account to the filter transmission capabilities and for the sensitivity functions in the spectrometers at the information article-processing stage. The spectral dynamics in Just about every sample was calculated by high-quality tuning the pump pulse Power with a computer-controlled attenuator that was built-in in the laser system. Thermal Power meter EM (Ophir 3A-PF-twelve) was used to measure the SC Electricity which was thereafter used to calculate the spectral Power density in the SC radiation. Every one of the measurements have been carried out with none translation of your sample with regard to your pump beam.
We created a diode-pumped Yb:KGW regenerative amplifier given that the front conclude of your kilohertz terawatt laser program. Wide bandwidth pulses were acquired by making use of twin crystals with different orientations in their optical axes[
相关工作得到了上海扬帆计划、国家重点研发计划、中国科学院战略性先导科技专项、国家自然科学基金项目、上海市优秀学术/技术带头人计划、上海市市级科技重大专项、中国科学院青年创新促进会的支持。（强场激光物理国家重点实验室供稿）
The Yb:KGW laser method incorporates a quasi-a few-amount conduct. The web achieve of your Yb:KGW crystal was not large: many tens of roundtrips ended up required to amplify the nanojoule seed to a millijoule degree. Consequently, the gain-narrowing impact was unavoidable in Yb:KGW regenerative amplifiers.
Do you might have any conflicting interests? * Conflicting interests assist Close Conflicting interests aid You should record any service fees and grants from, work by, consultancy for, shared possession in or any near romantic relationship with, at any time over the preceding 36 months, any organisation whose pursuits may very well be affected from the publication in the response.
EKSMA Optics makes website use of cookies to give you the greatest browsing encounter. In case you keep on to implement our expert services, We'll presume which you agree to the use of these types of cookies.