254 results about "Lasing wavelength" patented technology

The invention discloses a high-sensitivity miniaturized HOx free radical accurate measurement device and method, and relates to the technical field of atmospheric environment detection and automatic control, and the device is composed of a free radical generation and removal device, a light source module, longitudinal HOx double cavities, a gas distribution module and a collection and control system. The free radical generation and removal device can generate HOx free radicals or remove OH free radicals; the light source module can emit laser which enables OH free radicals to generate fluorescence and transmit the laser into the longitudinal HOx double-cavity; the longitudinal HOx double cavities are used for exciting OH free radicals to generate a large amount of fluorescence and collecting and converting the fluorescence into electric signals; the gas distribution module is used for injecting gas in the device and maintaining the flowing state of gas flow; and the control and acquisition system is used for controlling automatic operation and data acquisition and processing of the device. The device has the advantages of being high in detection sensitivity, small in size and capable of rapidly obtaining and removing OH free radical measurement interference, rapid calibration of similar concentration can be conducted on the actual HOx concentration in the actual measurement environment, accurate spectrum determination can be conducted on the laser wavelength, and therefore high-sensitivity accurate measurement of HOx free radicals is achieved.

The invention discloses an intelligent visual detection system for a high-precision printed circuit board, and relates to the technical field of precision optical detection.The intelligent visual detection system comprises the steps that based on a printed circuit board substrate with a quantum dot mark layer attached to the surface, confocal scanning is conducted through laser wavelength, and an original image data set is generated; performing multispectral feature analysis on the original image data set, capturing focus offset rules of light rays with different wavelengths, and generating a wavelength-focus mapping relation compensation instruction set; according to the compensation instruction set of the wavelength-focus mapping relation, an imaging light path is adjusted in real time, and a high-fidelity fusion image is generated; and analyzing optical signal feature changes in the high-fidelity fusion image, identifying an abnormal region, extracting microdefect features, and generating a detection report containing the defect features. According to the invention, through uniform dispersion of the quantum dot modified ink in the inert atmosphere and a plasma substrate activation process, molecular-level combination of the solder mask layer and the fluorescent marking material is realized.

The invention belongs to the technical field of optical beauty, and discloses a medical beauty device with an LED light source and a body beauty system based on phototherapy, and the method comprises the steps: collecting multi-source data for fusion, and generating a skin health map through an ICP registration algorithm; based on the skin health map, segmenting a high-tolerance area and a blood vessel dense area; distributing laser wavelength, energy density and cooling parameters for each area; the dynamic thresholds are adjusted in real time in a self-adaptive mode through the dynamic thresholds; determining and dividing risk grades through multi-parameter fusion, triggering a grading response mechanism, and generating dynamic energy configuration parameters and a safety control strategy; based on the three-dimensional point cloud coordinates and spatial constraint conditions, dynamically adjusting laser path planning through a path re-planning algorithm, and generating a phototherapy execution log; generating a curative effect evaluation report based on the phototherapy execution log, and constructing a photoaging risk map; and updating the energy rule base through a reinforcement learning algorithm, and determining parameters of a threshold value and a weight coefficient of a registration algorithm to form closed-loop optimization.

The invention belongs to the technical field of optical communication, and particularly relates to a narrow linewidth laser based on a cascaded micro-ring resonant cavity. The laser comprises a semiconductor laser inner cavity module, a gain chip module, a phase shifter, a cascade micro-ring resonant cavity module, a thermal tuning module and an outer cavity reflector. The gain chip is combined with an III-V group material at the top of the silicon waveguide through heterogeneous integration, and adopts an InAlGaAs quantum well to provide high gain; the phase shifter is used for matching the lasing wavelength with the resonant wavelength; the cascaded micro-ring resonant cavity is formed by cascading three micro-rings, and tuning of the laser is realized based on a vernier effect; the thermal tuning module is composed of three semi-annular metal strips and a straight waveguide-shaped metal strip. The outer cavity reflector module adopts a Sagnac ring structure; the laser inner cavity, the gain chip, the cascade micro-ring resonant cavity and the outer cavity reflector are directly connected through silicon waveguides. The laser has the characteristics of narrow linewidth and wide tuning range, is easy to highly integrate and interconnect, and has important application value.

The invention belongs to the technical field of metal-based composite material additive manufacturing, and particularly relates to ultrasonic-assisted green laser equipment for copper-based diamond cooling fin machining, which comprises a rack, a printing cabin, a green laser machining system, an ultrasonic-assisted system, a powder spreading system, a gas control system, an intelligent control system and an online monitoring system. By integrating a green laser processing system and an ultrasonic auxiliary system, an ultrasonic-green laser-powder multi-energy field coupling processing system is constructed, the wavelength of green laser is 532 nm, the absorption rate of copper is increased, and compared with traditional infrared laser, low-power and high-efficiency melting of copper can be achieved, the diamond graphitization risk is reduced from the angle of a heat source, and the production cost is reduced. Ultrasonic vibration is transmitted to a molten pool through a substrate coupling type structure, by means of the cavitation effect and the acoustic streaming effect, the interface wettability of copper and diamond is effectively improved, the interface bonding force is enhanced, the interface thermal resistance is reduced, meanwhile, grains are refined, pores are eliminated, residual stress is reduced, and the comprehensive performance of the cooling fin is remarkably improved.

The invention belongs to the technical field of ultra-precise angle measurement, and discloses a three-dimensional angle measurement device and method based on wavefront interference fringes. According to the invention, two wavefront interference light spots are generated by using two paths of detection laser in a single interference measuring head with only a single coordinate reference, the spatial frequencies of respective fringe images in the horizontal and vertical directions are respectively calculated, and simultaneous decoupling is carried out so as to accurately measure the pitching, deflection and rolling angle deviations of the reflector. According to the three-dimensional angle measurement device, point-to-point three-dimensional angle measurement can be achieved, the measurement resolution is high, the measurement result can be directly traced to the laser wavelength, and the requirement of high-end equipment for ultra-precise three-dimensional angle measurement is met.

The invention provides a dual-mode resonance optical fiber microcavity air pressure measurement system and method, and relates to the technical field of optical fiber microcavity air pressure measurement, and the system specifically comprises a sensing probe preparation module, a two-parameter sensitivity matrix calibration module, an optical fiber laser sensing system construction module, a real-time change monitoring module and a decoupling and output module. Femtosecond laser etching is combined with high-temperature tapering, an open type microcavity is manufactured on a single-mode optical fiber, a micro-nano cone area is formed, and the sensing probe with two resonance valleys with different temperature and air pressure response characteristics is obtained. A sensitivity coefficient matrix is obtained through calibration, a probe serves as a filter to be embedded into an annular optical fiber laser cavity, and an optical fiber laser with the laser wavelength locked by a resonance valley is constructed. Laser wavelength drift is caused by environmental change, real-time synchronous measurement of temperature and air pressure is realized by utilizing inverse matrix decoupling, and the method is suitable for high-precision and anti-interference monitoring of harsh industrial environments such as aero-engines and power transformers.

The invention belongs to the related technical field of semiconductor doping, and discloses a method for acquiring a second harmonic signal of non-uniform ion implantation doping concentration and an application of the second harmonic signal of the non-uniform ion implantation doping concentration. Determining refractive indexes and absorption coefficients of different depth positions of the ion implantation doping sample under a specific laser wavelength based on an optical property distribution model in the ion implantation doping sample; s2, calculating fundamental frequency light electric field distribution in the doped sample based on the obtained refractive index and absorption coefficient; s3, calculating the polarization intensity and effective second-order polarizability of the non-uniform doped ion implantation sample based on the simplified bond hyperpolarizability model and the fundamental frequency photoelectric field distribution; and S4, calculating far-field second harmonics of the corresponding layers at a predetermined observation angle based on the obtained polarization intensity or effective second-order polarizability of each layer, and carrying out integration on the far-field second harmonics corresponding to all layers to obtain the total intensity of the second harmonics of junction depth far-field radiation. According to the invention, the problem that the measurement sensitivity and repeatability are reduced is solved.

The invention discloses a photoacoustic spectrum laser gas detection dual-wavelength interference noise cancellation method and system. The method comprises the following steps: configuring laser wavelengths of a main light source and a compensation light source according to a main absorption spectral line and a non-absorption wave band of target gas; the main light source and the compensation light source are driven by same-frequency and same-phase signals to emit laser with the configured wavelength; lasers emitted by the main light source and the compensation light source respectively enter an excitation cavity and a compensation cavity which have the sound wave phase difference of 180 degrees, are equal in sound pressure amplitude and are coupled through a sound wave guide pipe; and detecting the mixed sound wave signal in the excitation cavity and the mixed sound wave signal in the compensation cavity, and offsetting the dual-wavelength interference noise through differential operation. According to the invention, coherent noise can be adaptively offset, a fixed wavelength light source is compatible, complex phase regulation is not needed, the coherent noise suppression rate is improved, and a new solution is provided for the application of the fixed wavelength laser in trace gas detection.

A passively, Q-switched laser is described. The laser may operate at an eye-safe lasing wavelength of 1.34 microns and use a gain element of Nd:YVO4 and a saturable absorber element of V:YAG with a space separating the gain element and saturable absorber element. The Q-switched laser is pumped by a grating stabilized laser diode. The laser may be used in laser ranging applications.

The invention discloses a real-time positioning method for a weld track, and belongs to the technical field of laser positioning, and the method comprises the steps: obtaining an environment state coefficient based on the environment light intensity and the temperature of a structured light emitter; a welding state coefficient is obtained based on the welding smoke particle concentration and the arc light intensity; acquiring an environment stability coefficient based on the welding state coefficient and the environment state coefficient under the vibration amplitude of the current structured light emitter; obtaining a structured light stability coefficient based on the laser wavelength, the line width and the power of the structured light emitter; obtaining a distance-reflection matching degree based on the laser working distance and the workpiece surface reflectance under the environment stability coefficient and the structured light stability coefficient; constructing a divergence angle optimization model based on the distance-reflection matching degree and the current laser divergence angle to output a target laser divergence angle; according to the method, high-precision real-time positioning of the welding seam track under the strong interference environment is achieved through multi-model cooperation, and the robustness and adaptability of a welding automation system are remarkably improved.

The invention relates to the technical field of ultrafast laser, in particular to an ultraviolet laser damage inhibition method and device for a fused quartz optical element, and the method comprises the steps: obtaining oxy-18 modified DKDP crystals with oxy-18 isotope abundance higher than natural abundance; preparing the oxy-18 modified DKDP crystal into a wave plate matched with a preset ultraviolet laser wavelength; in an ultraviolet laser light path of a laser inertial confinement fusion device, a wave plate is arranged between a linear polarization state output end of ultraviolet laser and a fused quartz optical element; and enabling ultraviolet laser to sequentially pass through the linear polarization state output end and the wave plate to form circularly polarized light, and irradiating the circularly polarized light to the fused quartz optical element. The invention aims to realize the small-scale self-focusing effect of actively inhibiting fused quartz and solve the technical problem that a traditional material cannot be used as a large-aperture wave plate due to over-high transverse stimulated Raman scattering.

The application discloses a kind of switch cabinet partial discharge monitoring device and method, wherein, method includes: when the partial discharge of switch cabinet cabinet wall occurs, vibration signal is generated;Distributed feedback laser is affected by vibration signal, deformation occurs, cause the wavelength of distributed feedback laser to change;Interferometer receives the laser emitted by distributed feedback laser, and the wavelength change of laser is converted into phase change, by monitoring phase change to realize the partial discharge monitoring of switch cabinet cabinet wall.The pin is made of rigid material, is easily affected by the vibration generated by the partial discharge of switch cabinet cabinet wall, so that the DFB laser inside pin is affected by vibration, the wavelength of output laser changes, by converting the monitoring of vibration signal into the monitoring of laser signal, avoid the interference caused by electromagnetic influence and noise influence in the environment when monitoring electromagnetic wave and sound wave in conventional means, improve the reliability of the partial discharge monitoring of switch cabinet cabinet wall.

According to some embodiments of the present disclosure, a method of operating a tuneable tight detection and ranging (LIDAR) system. A plurality of laser outputs are transmitted from the LIDAR system, and each of the plurality of laser outputs has a respective laser wa velength such that each of the plurality of laser outputs has a different laser wavelength. A respective plurality of return signals resulting from the plurality of laser outputs are detected, and one of the laser wavelengths is selected based on the plurality of return signals. After selecting the one of the laser wavelengths, light detection and ranging are performed using the selected one of the laser wavelengths. Related LIDAR systems are also disclosed.

A single-material-double-process parametric laser-wavelength converter includes a pump-laser source, a nonlinear optical material, a first optical reflective element, and a second optical reflective element. The pump-laser source is configured to emit a pump-laser pulse light. The nonlinear optical material receives the pump-laser pulse and generates a signal-laser pulse and a partially depleted pump-laser pulse through optical parametric amplification. The first optical reflective element is configured to reflect the signal-laser pulse back to the same nonlinear optical material. The second optical reflective element is configured to reflect the partially depleted pump-laser pulse back to the same nonlinear optical material. With an appropriate adjustment on the reflecting path lengths, the nonlinear optical material is configured to receive the temporally synchronized signal-laser pulse and the partially depleted pump-laser pulse to generate an idler output through difference frequency generation. Both optical parametric amplification and difference frequency generation occur in the same nonlinear optical material.

The application relates to a detection method and system for measuring residual oxygen concentration by laser, and relates to the field of gas concentration detection. The method comprises the following steps: selecting laser with oxygen absorption peak wavelength as detection laser, applying a periodically changed modulation signal to form a modulation laser and irradiate the headspace, demodulating a direct current component from the modulation laser passing through the headspace, calculating a deviation rate according to the direct current component and a reference direct current, judging whether the deviation rate is within a threshold value, feeding back and adjusting the laser wavelength if the deviation rate is not within the threshold value, and finally outputting a laser intensity attenuation curve of residual oxygen to obtain the residual oxygen concentration. The detection system comprises an optical subsystem, an electrical subsystem, a feedback control subsystem and a data processing subsystem. The application can accurately measure the residual oxygen concentration in the headspace, effectively detect and correct the laser wavelength drift, and improve the measurement precision and stability.

The application belongs to the technical field of optical beauty, and discloses a medical beauty device with an LED light source and a body beauty system based on light therapy, which comprises the following steps: collecting multi-source data fusion and generating a skin health atlas through an ICP registration algorithm; based on the skin health atlas, a high tolerance area and a dense blood vessel area are segmented; laser wavelength, energy density and cooling parameters are allocated to each area; each dynamic threshold is adjusted in real time through a dynamic threshold; a risk level is determined and divided through multi-parameter fusion, and a hierarchical response mechanism is triggered to generate dynamic energy configuration parameters and safety control strategies; based on three-dimensional point cloud coordinates and space constraint conditions, a laser path planning is dynamically adjusted through a path re-planning algorithm to generate a light therapy execution log; based on the light therapy execution log, an efficacy evaluation report is generated to construct a photoaging risk atlas; through a reinforcement learning algorithm, the energy rule library, the parameters of the determination threshold and the weight coefficient of the registration algorithm are updated to form a closed-loop optimization.

In one embodiment, a distributed feedback laser includes a laser comprising a waveguide, the waveguide having a variable width from a first end to a second end, the laser to generate optical energy of a plurality of lasing wavelengths. Other embodiments are described and claimed.

The invention discloses a laser acceleration tabulation method, which belongs to the technical field of optical fiber sensing and signal processing, is used for constructing a laser wavelength current lookup table, and comprises the following steps of: initializing a laser, configuring five paths of current to carry out two-dimensional nested cyclic scanning, and measuring the central wavelength and side mode rejection ratio of an optical signal. Constructing a central wavelength sequence and dividing a continuous longitudinal mode region; constructing a theoretical sampling grid and a theoretical sampling point set, calculating the number of actual sampling points by using a Gaussian distribution rule, and constructing a sparse measurement training data set; and constructing and training a K singular value decomposition model, and inputting the to-be-detected target wavelength list into the trained K singular value decomposition model to obtain a wavelength current lookup table. According to the method, the K singular value decomposition algorithm is fused into the laser wavelength current lookup table construction process, so that the time cost is reduced, the measurement load is reduced, the deployment flexibility is enhanced, and the construction efficiency of the laser wavelength current lookup table is greatly improved.

Provided is a glass material which has a low linear thermal expansion coefficient and which can be used more stably as a laser medium. The glass is characterized by containing, in terms of mol%, 45%-85% of SiO2, 3%-23% of Al2O3, 0%-13% of B2O3, 0%-5% of Li2O, and 0.01%-11% of Ln2O3 (Ln is at least one selected from Ce, Nd, Yb, Er, Pr, Sm, Eu, Tb, Dy, Ho, and Tm). The glass is preferably used as a wavelength conversion member 26 of a laser oscillation device 2 that extracts laser light by emitting excitation light L from an excitation light source 20. The wavelength conversion member 26 is disposed between a resonator 22 and a resonator 24.

The invention provides a plasma propulsion dynamic torque measuring method, a plasma propulsion dynamic torque measuring device and electronic equipment, and relates to the field of plasma propulsion. Measuring first time-varying data of fluorescence intensity distribution in the beam of the thruster along with time and second time-varying data of plasma luminescence intensity of a space point in the beam along with time; adjusting different laser wavelengths and scanning fluorescence signals under different laser wavelengths, and obtaining a fluorescence intensity curve corresponding to the laser wavelengths through time axis alignment; calculating an ion velocity distribution function of each spatial point at each moment according to a fluorescence intensity curve corresponding to the laser wavelength, and calculating the ion current density; and an ion velocity distribution function in the other vertical direction is measured and synthesized to obtain a comprehensive average ion velocity, the dynamic torque density is calculated based on the comprehensive average ion velocity and the ion current density corresponding to each space point, and the dynamic torque is calculated based on the dynamic torque density.

The invention belongs to the technical field of temperature controllers, and particularly relates to an infrared spectrometer laser temperature controller which comprises a shell, a resonant cavity and a connecting port, a heat dissipation mechanism used for conducting heat dissipation on the resonant cavity connected with a laser is arranged in the shell, and heat dissipation fins tightly connected with the outer surface of the resonant cavity are arranged in a heat dissipation cavity. The heat generated by the resonant cavity is absorbed by the heat dissipation fins, so that the damage of high-temperature erosion to optical elements in the resonant cavity can be reduced, the optical elements in the resonant cavity can stably work, the conditions of infrared laser wavelength drift, output power fluctuation and the like are avoided, and the accuracy of sample analysis results can be effectively improved; and through the arrangement of the cooling pipe, liquid cooling can be carried out on the heat dissipation fins, so that the heat dissipation effect of the heat dissipation fins is improved, the heat dissipation fins can fully carry out heat dissipation work on the resonant cavity, and the stability of the internal temperature of the resonant cavity is kept.

The invention provides a light field quantum state regulation and control method and device based on solid higher harmonic generation conditions, and relates to the technical field of quantum optics. The laser wavelength of the driving laser and the harmonic order of the solid higher harmonic are controlled according to the control variable strategy, and higher harmonics of different quantum states are obtained; performing quantization conversion processing on higher harmonics of different quantum states to obtain a plurality of Wigner functions used for representing light field quantum state description; and performing function feature analysis on the Wigner function to obtain a light field quantum state regulation and control result including an optical modem state and a coherent state. The invention is used for solving the technical problem that the quantum state of the light field is difficult to directionally regulate and control by using the generation condition of the solid higher harmonic in the prior art.

The application relates to a laser surface periodic structure construction method based on geometric structure guidance, and belongs to the field of laser micro-nano processing. The method first constructs a geometric structure with characteristic size and spatial arrangement on a material surface, and the geometric structure is obtained through mechanical processing, high-energy beam processing or other forming methods; then under the condition of random polarization or circular polarization laser irradiation, the geometric structure modulates the near-surface electromagnetic field distribution, thereby forming a periodic micro-nano structure. By adjusting the size, spacing and arrangement form of the geometric structure, controllable construction of one-dimensional gratings and two-dimensional array structures can be realized. The period of the formed structure is related to the wavelength of the incident laser, and satisfies the near-wavelength scale relationship (Lambda approximately 0.8-1.2 lambda), and can be adjusted by adjusting the wavelength of the laser. The method can realize large-area periodic structure preparation, and the process is relatively simple, and is suitable for surface optical regulation and functional interface construction.

The utility model relates to a desktop type multifunctional laser beauty instrument, which comprises a desktop host and a plurality of laser hand tools, and the plurality of laser hand tools are simultaneously connected with the desktop host through cables. The laser hand tool is used for outputting different laser wavelengths; the desktop host is provided with four hand tool interfaces; the desktop host can be connected with four laser hand tools at the same time. The desktop type multifunctional laser beauty instrument is a laser hand tool which is exquisite in appearance and capable of providing laser with different wavelengths at the same time, a more coherent and efficient laser beauty process is achieved in combination with a control program, and the use experience is improved.

The invention provides a continuous and pulse coaxial double-beam welding method for a sheet titanium alloy corner joint process, and belongs to the technical field of laser welding. According to the method, continuous laser and pulse laser are adopted, coincidence arrangement of the two laser beams in space is achieved through a coaxial composite optical system to form a composite laser beam, the composite laser beam acts on a sheet titanium alloy corner joint assembled and fixed through a corner joint clamp, and the welding process is completed. The two laser beams are similar in wavelength, optical compatibility is good, and an optical system is stable. The coaxial composite heat source has the characteristics that the energy distribution gradient can be regulated and controlled, and the heat input is accurately controlled, so that the welding heat input can be effectively reduced while the mechanical property of the joint is ensured, and the residual stress is reduced to control the welding deformation. The sheet titanium alloy corner joint obtained through the method has the advantages of being uniform in welding seam forming, little in splashing, small in deformation and the like, and the technological requirements of the aerospace field for high-quality thin-wall titanium alloy structural parts are met.

This invention discloses an iterative tuning operating point static calibration method, electronic device, and storage medium, belonging to the field of static calibration technology. The iterative tuning operating point static calibration method includes placing an optical electric field sensor and calibration equipment within a Faraday cage; using an AC source connected to a high-voltage transformer to generate a power frequency electric field of known intensity through a pair of parallel electrode plates, with the optical electric field sensor positioned between the two plates; emitting polarized light to the waveguide of the optical electric field sensor and loading the electric field signal to be measured onto the light wave; converting the electric field signal into an analog electrical signal through a photoelectric conversion circuit; and demodulating and calculating the measured electric field value through a digital signal processing circuit. Static operating point calibration is performed in a power frequency electric field environment, and the linear operating point of the sensor is controlled using laser wavelength tuning and an iterative method, improving the stability and accuracy of the optical electric field sensor in a high-voltage electric field environment.

The invention discloses a slice laser based on a topological structure dodging layer. The slice laser comprises a pumping system, a pumping light injection module and a composite dodging waveguide structure, pumping light generated by the pumping system enters the composite dodging waveguide structure through the pumping light injection module; the front end face of the composite dodging waveguide structure is plated with a pumping light wavelength high-reflective film and a laser wavelength antireflection film, and the rear end face of the composite dodging waveguide structure is plated with a pumping source wavelength and laser wavelength high-reflective film; the composite dodging waveguide structure comprises a slice gain medium, a topological structure dodging layer and a middle refractive index layer which are sequentially arranged from the front end face to the rear end face. The topological structure dodging layer is composed of a low-refractive-index material layer and a high-refractive-index material topological graph arranged on the low-refractive-index material layer; and the pump light injection module is fixed above the high refractive index material of the middle refractive index layer or the topological structure dodging layer. Pumping uniformity is improved fundamentally, high-order mode suppression and efficient fundamental mode extraction are facilitated, and output power and light beam quality are improved at the same time.

The application provides a kind of plasma propulsion dynamic torque measurement method, device and electronic equipment, it is related to plasma propulsion field, the method calibrates the calibration relationship of total fluorescent intensity and ion current density of thruster, measures the first time-varying data of fluorescent intensity distribution in the beam current of thruster changes with time and the second time-varying data of plasma luminous intensity of spatial point in the beam current changes with time;Adjust different laser wavelength and scan fluorescent signal under different laser wavelength, obtain the fluorescent intensity curve corresponding to laser wavelength by time axis alignment;According to the fluorescent intensity curve corresponding to laser wavelength, calculate the ion velocity distribution function of each spatial point at each time, calculate ion current density;Measure another vertical direction ion velocity distribution function and synthesis, obtain comprehensive average ion velocity, based on the comprehensive average ion velocity and ion current density corresponding to each spatial point Calculation dynamic torque density and based on dynamic torque density calculation dynamic torque.

A length of optical fiber suppresses a nonlinear optical process so as to inhibit energy transfer away from a desired laser wavelength. The fiber has a core and a cladding designed to propagate a laser beam at the desired wavelength, alongside a nonlinear laser component having intensity that escalates as a function of distance due to the nonlinear optical process; a series of spaced-apart filters, each configured with a transmission level to redirect a proportion of the nonlinear laser component from the core into the cladding so as to collectively control exponential growth in the intensity of the nonlinear laser component by imparting resets in the intensity at predetermined intervals along the length; and an output configured to provide the laser beam following its suppressed escalation of the intensity and preservation of energy of the laser beam at the desired wavelength.