One of the main reasons historically has been that no software tool was available to rigorously analyze the complicated, multiphysics. Etalon designerone of our most popular and useful design tools, provides a close approximation to the performance you can expect from our fabry perot etalon. Compared with other resonator design software, rp resonator is far more flexible. Lascad software provides multiphysics modelling for designers of solid state lasers. This, combined with the filtering effect of the optical resonator gives laser light its characteristic coherence, and may give it uniform polarization and monochromaticity, depending on the resonator s design. Employs multiphysics simulation to optimise laser resonator design. For added utility, lascad is also now compatible with ray tracing programmes such as zemax and tracepro.
It provides a large size fundamental mode while reducing detrimental diffraction effects encountered in hardedge unstable resonators. Card provides assistance in the design of resonators having lowtomoderate complexity. Optical cavities are a major component of lasers, surrounding the gain medium and providing feedback of the laser light. Novel design and development spie press monograph vol. Laser resonators the resonator is the mirrors plus all other optical components that act to confine the em wave. Dpm photonics is proud to partner with germanybased rp photonics consulting gmbh, known worldwide for their online encyclopedia of laser physics and technology, to offer several packages of powerful simulation software. Lascad laser resonator analysis and design software. Laser engineers are generally not inclined to use simulation software for optimizing resonator design for a number of reasons previously described in this publication see laser focus world, jan.
Expands design and production facilities to accommodate accelerated growth. How to use lascadtm software for laser cavity analysis and design konrad altmann lascad gmbh, munich, germany. The graded reflectivity mirror grm unstable resonator has become the resonator of choice for many laser systems. It is able to simulate complex rate equations, as well as structural and optical effects within a laser cavity. One of the main reasons historically has been that no software tool was available to rigorously analyze the complicated, multiphysics interaction of thermal and optical effects in solidstate lasers. Software simulation of complex resonator and optical system designs offer the potential to couple traditional optomechanical tolerance analysis with the desired. Asld is an advanced laser simulation software package for the design, modelling and optimization of solidstate laser resonators and amplifiers. Laser resonator design using optical ray tracing software ieee xplore. The optical design software virtuallab fusion is designed to take you through your simulations in a stepbystep process.
Larger eigenvalue difference between fundamental mode and the next higherorder mode. Graded reflectivity mirror unstable laser resonator design. We present design of the grm coating, as well as projected laser beam profile for various resonator parameters and expected relative output energy extraction in. All software provide extreme flexibility through the builtin script language. At the core of our laser marking systems technology is a deep experience and long history with specialty dpss diode pumped solid state laser development. Rp resonator advanced software for laser resonator design and optimization. Perot open resonator is suggested as a cavity to test the quality of the coupons, while simulation software, microwave studios mws, is used to design and validate an open resonator model based on a previously reported cavity the mws simulation will be used to scale open resonator designs to different operating frequencies in the search for. Lascad software contains all of the simulation tools necessary to accurately model the performance of a laser resonator, serving as an optical bench on your pc and helping to save time and cost. Oxalislaser optical simulation software simulation. Laser resonator and beam propogation software from sciopt enterprises. Rp photonics also offers competent resonator design services, leading to stateofthe art designs. The active laser medium is positioned between two mirrors, the resonator. With paraxiaplus you can study laser resonator caracteristics or laser beam interactions with components outside the resonator or both.
Rp photonics encyclopedia laser resonators, laser cavities. Designer laser resonators based on amplifying photonic. Such software cannot only calculate the resonator modes for a given design, but also help to optimize designs according to certain performance targets. Computer aided resonator design card is software that applies quantitative techniques to the design of ultrasonic resonators horns, boosters, and transducers that vibrate in a longitudinal mode. Winlase is a software package for designing laser cavities and for analyzing the propagation of gaussian beams in complex optical systems. Please refer me some free, easy to learn softwares which can be used to simulate electromagnetic fields inside a. The people at lightmachinery are veterans of the laser and optics world with many years of experience in the areas of optical design, high power lasers, optical fabrication, laser systems, metrology, thin film coatings and custom machinery fabrication. Unstable stable unstable rays captured by a stable resonator will never escape geometrically. Optical design software,optical design fiber components. The benefit of this technology is that very little heat is generated at the laser weld point, allowing users to easily weld 0, 05mm. The light that passes through the active medium and lies within a certain frequency range is amplified.
For example, one can optimize designs for certain mode sizes and minimum alignment sensitivity. An optical cavity, resonating cavity or optical resonator is an arrangement of mirrors that forms a standing wave cavity resonator for light waves. Organic distributedfeedback dfb lasers, consisting of an organic active film and a relief grating as laser resonator, have received great attention in the last years 1,2 for their potential. Simulation software tackles design of laser resonators. They are also used in optical parametric oscillators and some interferometers. The unique combination of simulation tools for laser cavity analysis and design during the last 15 years lascad has become industryleading software for laser cavity analysis and design. For example, you can have any parameters of the resonator setup calculated using some mathematical expressions. The focus of the present work is the design and realisation of micro resonators based on photonic crystals phcs. Where to buy resonator design software, mode properties. It is oxalis laser s leading product, commod pro provides.
The feedback from a large community of users has helped us gather experience for optimizing laser resonator design. Tem00 energy in excess of 350 mj was obtained from a fixed q laser. This scientist spent over 15 years developing software to model advanced resonator design, based on 2d fastfourier transform method. Rp resonator v4 is a powerful software for calculations on optical resonators. In particular, recently, interest has increased in developing concepts such as onesided unstable resonators, supergaussian reflectivity profiles, diode laser modes, beam quality concepts, mode competition, excess noise factors, and nonlinear kerr lenses. Innovative industrial laser cutting system for the visual merchandising and creative design advanced lasers, inc. How to use lascadtm software for laser cavity analysis and design. Iivi optical systems laser resonator optical components. Based on a quantitave understanding of the multiphysics effects in laser cavities, lascad allows the laser engineer to optimize important features of a laser like beam quality and laser power output.
The resonator design allows excellent beam quality to be reliably maintained. Its user interface combines uttermost flexibility with an easy start, making the software suitable for quick calculations in an industrial environment as well as for advanced research. Advanced software for laser resonator design and optimization. He is therefore well acquainted with the development of the trumpf resonator series and an experienced expert for possible sources of errors optimization potential of co 2 laser resonators and its system engineering. A laser resonator with flat parallel mirrors a careful analysis of the resonator will be important in understanding the behavior of lasers, particularly their transverse intensity patterns. Infrared optics company offering optical design software, optical design fiber components, laser safety accessories, optoelectronic components, oem services, optical components, infrared materials, laser measurement, tunable, motion control and optomechanical components, laser crystals high purity materials, laser diode arrays modules, fiber optics components and accessories, infrared. Software simulation of complex resonator and optical system. Understanding and optimizing laser resonator designs. Topics include optical design, optical engineering, illumination, laser, optical materials, thin film coatings, and many more subjects needed to build and analyze complex optical systems. Winlase uses matrix algorithms for its calculations. Software for computing the diffraction efficiency of multilayer low and high reflecting gratings, both holographic and ruled, across a wide spectrum.
In particular, it can be used to produce optimized laser resonator designs. Using a comprehensive physical model, rp resonator provides the user a reliable approach to obtain designs with optimum performance quickly and efficiently. It has a modern, userfriendly interface, so you need no specialized training or programming skills to use all of its functions and tools. Comparisons with simple analytical models and experimental results. General laser and design laser analysis software from applied optics research. Open source, easy to learn simulation software for cavity resonator. How to use lascadtm software for laser cavity analysis. Laser cavity resonance modes and gain bandwidth java tutorial.
Selects ess finesse erp software lightworks optics, inc. Links on optical design and engineering the purpose of this site is to provide a comprehensive list of links related to optics and optical simulation in general. See also our case studies as concrete examples involving laser resonators and others, and read about the nice user interface. The software rp resonator for advanced laser resonator design. Start with ray tracing to investigate the basic performance of your optical system. The unique combination of simulation tools for laser cavity. Measurement techniques for longitudinal temporal profile technique advantage disadvant. He is a trained toolmaker and worked with trumpf laser systems since the mid1990s in the service area.
You can even generate resonator components within loops, so that by changing a single parameter you can even modify the number of components in your setup. For example, you can have any parameters of the resonator. The software rp resonator is a particularly flexible tool for analyzing and optimizing laser resonators. For example, it can be used to calculate and minimize the alignment sensitivity of laser resonators.
The design of laser resonators can be demanding, but can be supported with specialized software. Pump duration design of the cavity elements, their linear and nonlinear dispersion minimum pulse duration for gaussian profile is. The software rp resonator for advanced laser resonator. Rp resonator is powerful software for analyzing and designing optical resonatorsin particular, laser resonators. When transferred to the laser medium through the pump, energy is emitted as radiation. Not generally appropriate for pulsed or timevarying solutions unless the timevarying nature is much slower than a resonator roundtrip time. Design and simulate optical systems and lasers with commod pro. What can oxalislaser assure you is that what we simulate for frequency conversion modules is exactly what we measured. Autofocus cutting head the manual focus cutting head works best in thin sheet metal where there is not a substantial difference between the pierce height and the cut height. The pulse duration of the laser beam is dictated by a number of factors storage time upper state life time of the lasing medium bandwidth of the lasing line pump duration design of the cavity elements, their linear and nonlinear dispersion minimum pulse duration for gaussian profile is. Mode radii versus dioptric power of the laser crystal for a linear laser resonator has calculated with the rp resonator software, where two stability. Software simulation of complex resonator and optical system designs offer the potential to couple traditional optomechanical tolerance analysis with the r. Laser resonator design using optical ray tracing software. Lightmachinery releases third generation of online optical design software.
Controlling the emission properties of solutionprocessed. Simulation software from rp photonics powerful, flexible modeling packages with lifetime license. Laser cavity resonance modes and gain bandwidth java. Laser beam and resonator calculations on desktop computers. Open source, easy to learn simulation software for cavity. Sciopt develops and offers paraxiaplus software tools for laser system design on windows based computers. For many years, laserstar laser welding systems have provided laser users with a sharp, focused light beam that melts a very small area of metal. Optical design software,optical design fiber components,laser.
All rays launched in an unstable resonator except the onaxis ray will eventually escape from the resonator. Therefore, nearly any optical element can be simulated by the software, even user defined elements. There is a continuing interest in the design and calculation of laser resonators and optical beam propagation. A designer can design something in some sort of design software, and then send it to a laser cutter to have it cut out automatically, with just the push of a button. The feedback from a large community of users has helped us gather experience for improving laser resonator design. The piranha l510 laser is supplied with an ipg laser resonator for 1. During the last 15 years lascad has become an industryleading software package for laser cavity analysis and design. Software simulation of complex resonator and optical system designs offer the potential to couple traditional optomechanical tolerance analysis with the required system performance. At a conference in 1959, gordon gould published the term laser in the paper the laser, light amplification by. I have been using a laser cavity design and simulation software called lascad.
One of the main reasons historically has been that no software tool was available to rigorously analyze the complicated, multiphysics interaction of thermal and optical effects in solid. The design of a laser resonator is an essential part of a laser design and often a difficult tasklearn how to determine required resonator mode properties and find suitable designs. According to the design, the laser medium can be composed of a gas mix co2 laser, a crystal body yag laser or fibreglass fibre laser. Some lasers use a separate injection seeder to start the process off with a beam that is already highly coherent. Softtouch beam enhancement resonator technology laserstar.
899 708 1272 1216 866 731 1514 820 938 1187 475 283 545 826 1347 636 1389 1006 650 92 566 1576 1385 1074 157 571 104 1481 1293 1565 771 1336 703 683 537 1070 1031 1150 1179 1488 381 560 196 263