5 Simple Techniques For HgGa2S4 Crystal
5 Simple Techniques For HgGa2S4 Crystal
Blog Article
With the arrival of recent nonlinear resources and one-frequency pump resources, There is certainly renewed desire in optical parametric oscillators (OPOs). An individual-method diode-laser-pumped monolithic Nd:YAG nonplanar ring laser that's both equally amplified and frequency doubled is used to pump a monolithic MgO:LiNbO3 pulsed singly resonant OPO.
A single observes a remarkable rise in generation of the second harmonic as well as the demodulation indicators versus the pump wave amplitude. A transparent correlation exists between these nonlinear signatures and the quantity of damages. Preliminary determinations of your coefficient of quadratic nonlinearity happen to be reached. The outcome from the configuration of parametric emitting antenna are thought being the really initially on cracked products.
Get in touch with us if you need enable accessing this written content Understand institutional subscriptions 3D Interactive Structure This website page is often a preview of subscription material
By employing intracavity dispersion Handle, in close proximity to-completely transform-constrained signal pulses of �?one hundred fs duration with sleek solitary-peak spectrum are reached at 1264 nm, akin to an idler wavelength at 6440 nm. To the top of our understanding, this is The very first time such realistic idler powers inside the deep-IR happen to be produced from the dispersion-compensated CSP femtosecond OPO at sub-one hundred MHz repetition level.
We report new experimental final results around the phase-matching Homes of yellow coloration HgGa2S4 crystals for harmonic era of an Nd:YAG laser-pumped KTiOPO4 (KTP) optical parametric oscillator (OPO) and CO2 lasers inside the 0.944-10.5910 μm array. Moreover, we current new Sellmeier equations that give a superior reproduction of the existing experimental success plus the published knowledge factors for second-harmonic technology of CO2 laser radiation at 9.
During this Introduction We're going to give a shorter overview of your critical milestones in the development of sound-state lasers, discuss the range of efficiency parameters achievable with these lasers, and point out main applications.
The temperature dependence of refractive indices of optical supplies is characterised With this do the job by what we read more phone their normalized thermo-optic coefficients. These are generally established experimentally by means of interferometric measurements of thermal growth and of adjustments in optical thickness at a few laser wavelengths as purpose of temperature. A suitable vectorial formalism applied to these details makes it possible for predicting the thermal evolution of the refractive index all around the practical variety of transparency.
air gap and thrilled in series by a common pump beam. The period of your interference depends upon the phase shifts at three frequencies.
Vibrational spectra of Li-containing nonlinear crystals as well as their software in THz radiation generation are talked about. Employing an example of LiGaS2, the defect effect on spectroscopic qualities is proven. Large-temperature annealing in a proper ambiance lets just one to remove prolonged and position defects and to Increase the transparency. Electricity framework and parameters of principal point defects which include anion vacancy (F-Centre) and cation antisite defect GaLi calculated from the initial concepts concur effectively with the experimental effects.
This Web page employs cookies to deliver a few of our services and products along with for analytics and to deliver you a more individualized knowledge.
Very simple method for reducing the depolarization loss ensuing from thermally induced birefringence in stable-condition lasers
Observe: Writer names will likely be searched within the key phrases field, also, but that will find papers where the individual is described, as opposed to papers they authored.
In this paper we theoretically investigate the most productive pump temporal condition for pulsed operation of optical parametric oscillators (OPOs). The theoretical Examination is made of resolving the optimum Regulate problem using the charge equation formalism. The OPO best buildup actions is derived for any OPO configuration, and we display the ideal pump pulse form is often a double rectangle. The main rectangle is optimized for the buildup procedure, whilst the next a person is optimized with the constant state, and each depend in another way over the OPO mirror reflectivities together with the obtainable pump Strength and utmost peak electric power.
Distinction frequency mixing of strongly focused Gaussian beams in periodically poled LiNbO3 was investigated. The beams were concentrated Within the crystal with out damage. Mixing of cw and pulsed laser systems was used to reduce the thermal lensing effects inside of this crystal. A lower-electrical power cw one.064‐μm Nd:YAG laser beam was made use of given that the pump, Whilst the sign beam came from a picosecond optical .