These compact servicefree lasers are designed to operate under high shock, vibration and dust conditions, with relative humidities up to 90% and. Rp photonics encyclopedia ytterbiumdoped gain media, laser. Ytterbium is a chemical element with the symbol yb and atomic number 70. In this work ytterbium cw fiber laser welding of 2 mm thick ti6al4v plates was investigated. Only the fundamental mode lp01 is present in the output beam. We demonstrate a high power erbiumytterbium codoped largecore fiber laser with narrow linewidth, an m 2 value of 1. Ytterbiumphosphate glass for microstructured fiber laser. This fiber laser can be spliced into a normal transmitting optical fiber, and when optically pumped with a semiconductor laser at either 980 nm or 1. Spectroscopy, laser trapping, interferometry or optical tweezing are among the application that can be met with the cyfltera lasers series. These are ideal for use in moderate power fibers lasers, such as those typically used in laser marking applications. High power ytterbiumdoped fiber lasers fundamentals and applications article pdf available in international journal of modern physics b 2812 april 2014 with 5,722 reads how we. The developed theory has been compared with experiment. In recent years, highpower fiber lasers operating near. Victor khitrov, bryce samson, upendra manyam, kanishka tankala and david machewirth.
For instance, one laser could weld with a 300 micron fiber in one cell and cut with a 100 micron fiber in another. A wide variety of ytterbium fiber laser marker options are available to you, there are 162 suppliers who sells ytterbium fiber laser marker on, mainly located in asia. Allfiber laser systems operating in the spectral range near 977 nm is of great interest for many applications, such as high power singlemode pump sources. Ultrastable pulse generation in ytterbiumdoped fiber laser. Generation of 36femtosecond pulses from a ytterbium fiber laser. It has been shown that the spectral broadening of a fiber laser can be described analytically if the generation spectrum is much narrower than the fbg width. A fiber laser or fibre laser in british english is a laser in which the active gain medium is an optical fiber doped with rareearth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, thulium and holmium. The fiber was claddingpumped by a diode stack emitting at 975 nm. In this work, we have constructed a monolithic tapered ytterbiumdoped fiber laser oscillator and investigated the laser oscillator performance with respective 976 nm and 915 nm pump, especially on the aspects of the tmi. Ysl singlemode systems are used in advanced materials processing requiring extremely high power and brightness, as well as in directed energy applications. Ytterbium doped laser crystals and glasses have a number of interesting properties, which differ from those of, e. Efficient singlecycle pulse compression of an ytterbium.
These ytterbium fiber lasers provide an output power of 20w with a linewidth of few nm. Zaitsev, 400 w lownoise singlemodes cw ytterbium fiber laser with an integrated fiber delivery, in proc. A compact, strictly all fiber, picosecond pulse source based on ytterbium. The output power from claddingpumped rareearth doped fiber lasers has increased dminatically during the last decade and currently 200w ytterbium. We have demonstrated a highlyefficient claddingpumped ytterbiumdoped fiber laser generating 1. Pdf we report on a linearlypolarized, continuouswave ytterbiumdoped fiber laser continuously tunable on the fly over an unprecedented emission. Based on the saturable absorber sa of bp, we designed a passively qswitched ytterbium ybdoped fiber laser operating at 1. Ytterbium fiber amplifiers set the mark for speed and power. Multikilowatt singlemode ytterbiumdoped largecore fiber laser.
Thorlabs offers stateoftheart ytterbium doped optical fibers for optical amplifiers, ase light sources, and highpower pulsed and cw fiber laser applications operating with powers in the milliwatt to 100 w range and emitting in the 1100 nm wavelength region. Ytterbiumdoped fiber laser as pulsed source of narrowband. Introduction ytterbium ybdoped fiber lasers and amplifiers have become an attractive option for generating light in the 1. Digitalwavelength ytterbium fiber laser modelocked with mos 2 shiwei wang et alqswitched dualwavelength fiber laser using a graphene oxide saturable absorber and singlemode multimode singlemode fiber structure h ahmad et althis content was downloaded from ip address 157. Bulk lidts are determined in fiber preforms composed of two types of fused silica jackets and ytterbiumgermanium doped corescladdings respectively. Pdf generation of 36femtosecond pulses from a ytterbium. The fiber laser output power is available from 5 w to 15 w. They have dynamic range from 10% to full power with no change in beam divergence or beam profile. The output of the ytterbiumdoped dc20040pzyb fiber from nkt photonics where the 1064 nm seed laser 6 m spot size launch position is scanned across the input facet of the fiber.
A wide variety of ytterbium fiber laser marker options are available to you. The ylm diodepumped fiber laser delivers a dif fraction limited m 2 laser beam directly to the work site via a metalsheathed single mode fiber cable terminated by a collimator. Osa high power monolithic tapered ytterbiumdoped fiber. Multikilowatt singlemode ytterbium doped largecore fiber laser. All fiber laser systems operating in the spectral range near 977 nm is of great interest for many applications, such as high power singlemode pump sources for erand ybdoped fiber amplifiers. Fydc11008230 ytterbium doped double clad fiber provides high slope efficiency, highadhesion low index polymer outer cladding and superior humidity performance. Ytterbium fiber laser amplifiers encompass one of the most dynamic areas in femtosecond lasers. When the input launch position is changed the mode profile is maintained but with reduced power. High power ytterbiumdoped fiber lasers fundamentals and. With product ranges available offering polarization maintaining, bendinsensitive, rareearth doped, claddingpump and. The pump laser is a commercial 1030 nm ytterbium fiber laser active fiber systems gmbh which delivers up to 100 w average power at repetition rates between 50 khz and 19. Rp photonics encyclopedia ytterbiumdoped gain media. Not to mention a great advantage is the ease of replacement of a process fiber in case of accidental damage while the main laser source stays intact and operational for other channels.
Laser physics letters multiwavelength brillouinerbium ytterbium fiber laser to cite this article. The laser was endpumped through both fiber ends and showed no evidence of rollover even at the highest output power, which was limited only by available pump power. Applications include ablation, cutting, drilling, welding, marking, laser sintering, and eye surgery. We report random noise pulsed regime of an ytterbiumdoped fiber laser arranged in common fabryperot configuration. Additionally, the pulse laser could operate stably for at least 69 days. Bulk lidts are determined in fiber preforms composed of two types of fused silica jackets and ytterbium germanium doped corescladdings respectively.
Photodarkening measurements in largemodearea fibers. Ytterbiumdoped laser crystals and glasses have a number of interesting properties, which differ from those of, e. The higher output power lasers are available upon request. The ylm diodepumped fiber laser delivers a dif fraction limited m 2 fundamentals and applications article pdf available in international journal of modern physics b 2812 april 2014 with 5,722 reads how we measure. Ytterbium fiber laser welding of ti6al4v alloy sciencedirect. Singlemode, 1064 nm ytterbium fiber lasers can also be used as efficient pump sources for generating laser wavelengths in the visible region for various applications. Thorlabs offers stateoftheart ytterbiumdoped optical fibers for optical amplifiers, ase light sources, and highpower pulsed and cw fiber laser applications operating with powers in the milliwatt to 100 w range and emitting in the 1100 nm wavelength region.
Fiber nonlinearities, such as stimulated raman scattering or. This leads to a very efficient operation of fiber laser systems, with very high gain and low pump threshold values. The two compression stages are based on antiresonant srpcfs, designed for normaldispersion spectral broadening in the first. Fiber lasers were first operated in nddoped glass fibers, but the fiber laser of major current interest is the erbiumdoped fiber laser operating at 1. Related content 101 things you can do with a comb christina astina new configuration of multiwavelength brillouin fiber laser. About 43% of these are laser marking machines, 1% are laser engraving machines, and 0% are laser cutting machines. Frequencydoubled 1178nm lasers emitting in the yellow at 589nm have found use in various applications including as laser guide stars. Modeling and measurement of ytterbium fiber laser generation. Multiwavelength brillouinerbiumytterbium fiber laser. Wideband tunable highpower narrowlinewidth erbiumytterbium. They are related to doped fiber amplifiers, which provide light amplification without lasing.
Ysl singlemode systems are used in advanced materials processing requiring extremely high power and brightness, as well as in directed. With product ranges available offering polarization maintaining, bendinsensitive, rareearth doped, claddingpump and photosensitive fibers. The top countries of supplier is china, from which the percentage of ytterbium fiber laser marker supply is 100% respectively. Strictly allfiber picosecond ytterbium fiber laser utilizing. Single mode ytterbium fiber laser world star technology. The laser can be monitored by pump diode current or with the output power value apc option thanks to an embedded large dynamic photodiode. Employing the nonlinear transmittance method and zscan technique, the nonlinear optical properties of bp were characterized. The ytterbium fiber laser can be randomly or linearly polarized. Pdf high power, continuouswave ytterbiumdoped fiber laser. Laser and fiber electronics group, faculty of electronics, wroclaw. In this study we first compare laser induced damage thresholds lidts of different ytterbium doped core concentrations used in high peak power fiber amplifiers.
Pdf high power ytterbiumdoped fiber lasers fundamentals and. Recent advances in power and speed are opening doors in scientific research and materials processing, impacting diverse fields spanning multi. Doubleclad fiber sources have become increasingly popular because of the high output beam quality. Yls singlemode ytterbium fiber laser systems range up to 10 kw, operating in cw or modulated modes up to 5 khz. Ytterbium lasers are highly efficient, have long lifetimes and can generate short pulses. Sep 10, 2019 we report random noise pulsed regime of an ytterbium doped fiber laser arranged in common fabryperot configuration. Ultrastable pulse generation in ytterbiumdoped fiber. May 11, 2012 it has been shown that the spectral broadening of a fiber laser can be described analytically if the generation spectrum is much narrower than the fbg width. We demonstrate a high power erbium ytterbium codoped largecore fiber laser with narrow linewidth, an m 2 value of 1. With over 30 years experience of the specialty optical fiber industry, fibercore ltd, the world leader in its field, is exclusively dedicated to the design, manufacture and commercialization of specialty fibers. Bambha prepared by sandia national laboratories albuquerque, new mexico 87185 and livermore, california 94550 sandia national laboratories is a multiprogram laboratory managed and operated by sandia corporation. Process parameters were optimized by preliminary beadonplate tests.
In the latest ytterbium fiber based master oscillatorpower amplifier sources, the total output power is virtually unaffected by changes in the pulse rate up to several mhz. Ytterbium fiber amplifiers set the mark for speed and power tech feature figure 1. Different central wavelengths are available in standard, 1030nm, 1064nm, 1083nm, and others on request. Double clad ybdoped fiber laser of up to 10 w output power is used in the experiment. Ytterbiumphosphate glass for microstructured fiber laser ryszard stepien 1, marcin franczyk 1, dariusz pysz 1, ireneusz kujawa 1, mariusz klimczak 1 and ryszard buczynski 1,2, 1 institute of electronic materials technology, 3 wolczynska str. Strictly all fiber picosecond ytterbium fiber laser utilizing chirped fiber bragggratings for dispersion control ori katz, yoav sintov nonlinear optics group, electrooptics division, soreq nrc, yavne 8, israel ori.
In contrast to the situation for ybdoped fiber lasers, eydfs have failed at significantly less pump powers than have been available in experiments 5, 11 and thus. The double cladding tapered ytterbiumdoped fiber has a narrow end of 20400. Residual higherorder dispersion currently limits the pulse duration, and it should be possible to generate pulses as short as 2530 fs. There are many types of ytterbium doped lasers ranging from the compact fiber lasers to high performance femtosecond lasers such as the spirit laser from spectraphysics.
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