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best quality yb yag disk laser crystal laser rod
China Yb Yag, China Yb Yag Manufacturers and Suppliers
1030nm Yb:YAG crystal rod. Chengdu Dien Photoelectric Technology Co., Ltd. US $100.00-$1000 Piece ... best quality Yb YAG thin disk laser crystal and Laser rod. Nanjing MetaLaser Photonics Co., Ltd.
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2019-1-15u2002·u2002A radiation-balanced Yb:YAG disk laser is demonstrated in an intracavity pumping geometry. Detailed analysis of the data reveals the feasibility of using the multi-kilowatt level 'athermal' disk lasers with minimal modal instabilities, which arise from thermal lensing.
Get PriceYb : YAG thin-rod laser amplifier with a high pulse energy ...
an amplifier based on a laser head with a thin-rod AE made of an Yb:YAG single crystal using an original technology [1, 4]. We report the measured small-signal gain in the used laser head, describe the optical scheme of amplification, and
Get PriceComposite Yb:YAG/SiC-prism thin disk laser
We report the first demonstration of a Yb:YAG thin disk laser wherein the gain medium is intracavity face-cooled through bonding to an optical quality SiC prism. Due to the particular design of the composite bonded Yb:YAG/SiC-prism gain element, the laser beam impinges on all refractive index interfaces inside the laser cavity at Brewster's angles.
Get PriceThin-disk lasers, explained by RP Photonics Encyclopedia ...
Thin-disk lasers are well suited for generating high-energy nanosecond pulses with high beam quality, as required for, e.g., some kinds of laser material processing.The typically used gain medium Yb:YAG offers a significantly better energy storage (longer upper-state lifetime) compared with, e.g., Nd:YAG.A limiting factor, however, is the moderate gain (compared with that of an end-pumped rod ...
Get PriceFabrication and Processing Technologies for Thin Disk ...
2019-4-9u2002·u2002(YAG) wafers for disk lasers. Most current disk laser designs use either single crystal Yb:YAG or ceramic Yb:YAG as the starting material for the gain layer. The Yb:YAG doping concentration can vary from 1% up to 50%. 1 . In some designs (see Fig.1), an undoped YAG heat spreader cap of crystalline or ceramic material is bonded to the gain layer.
Get PriceLASCAD Tutorial No. 3: Modeling an Yb:YAG thin disk laser
Published: 6月 01, 2005Author: Santanu B…Estimated Reading Time: 14 mins2020-8-15u2002·u2002Computing Laser Power Output 9 7 Computing Laser Power Output Click the menu item Laser Power to open the window Laser Power Output, as shown in Fig. 8. In this example Yb:YAG is used as laser material, which is common for thin disk lasers. It is a quasi-3-level material, which means that the lower laser level is close to the ground level. Com-
Get PriceNd-YAG and Yb-YAG rotary disk lasers
The premise that a rotary disk laser can efficiently generate high power across the spectrum was validated by a 256-W cw laser and a 214-W Q-switched laser at 1030-nm and an 87-W laser …
Get PriceTheoretical calculation and experimental study on ...
2017-2-1u2002·u2002The thin disk laser is presented as an optimal laser design for the operation of a quasi-three-level laser active medium.In this paper, according to the Lambert-Bill's equation, the absorption efficiency with pump laser incident angle and pump pass numbers at room temperature is given for Yb:YAG crystal (Yb 3+ 10%, 0.3 mm thickness). The absorption efficiency is 93.98% for 24 absorption ...
Get PriceLaser rods - Ytterbium doped
Yb:YAG The Yb 3+ ion exhibits a small quantum defect and a quasi-three level system with a long upper laser level lifetime, which is important for energy accumulation in Q-switched lasers.. The wide luminescence band of Yb 3+ is advantageous for the generation of sub-picosecond pulses. Long energy storage lifetime, broad absorption band at 940 nm and very low quantum defect make Yb:YAG crystal …
Get PriceEdge‐pumped asymmetric Yb:YAG/YAG thin disk laser ...
The use of a pump module with 16 passes through the crystal allowed the realization of a Yb:YAG thin-disk laser with 507 mW of continuous wave (CW) output power at 968 nm. ... to the best …
Get Price700W intracavity-frequency doubled Yb:YAG thin-disk laser ...
2010-2-17u2002·u2002The thin-disk laser concept with its advantages high efficiency, excellent beam quality, and low depolarization losses provides a reliable platform for the generation of high power lasers in the infrared as well as the green spectral range. By employing intracavity-frequency conversion, we have obtained a maximum output power of 700 W at 515 nm and a repetition rate of 100 kHz …
Get PriceYb:YAG - Ytterbium-doped Yttrium Aluminum Garnet
Our high quality Yb:YAG is a highly effective laser medium for high power lasers emitting at 1030 nm. It is widely used in industrial lasers. With over 20 years of polishing and fabrication experiece, EOT GmbH has become a world leader in providing 2D and 3D crystal designs. We also offer low absorbing, high damage threshold optical coatings.
Get Price700W intracavity-frequency doubled Yb:YAG thin-disk laser ...
The thin-disk laser concept with its advantages high efficiency, excellent beam quality, and low depolarization losses provides a reliable platform for the generation of high power lasers in the infrared as well as the green spectral range. By employing intracavity-frequency conversion, we have obtained a maximum output power of 700 W at 515 nm and a repetition rate of 100 kHz …
Get PriceA 12.1-W SESAM mode-locked Yb:YAG thin disk laser - IOPscience
2016-4-1u2002·u2002The Yb:YAG thin disk oscillator will be a potential candidate for high power and good beam quality laser source. Footnotes Project supported by the National Key Basic Research Program of China (Grant No. 2013CB922402), the National Major Instrument Program of China (Grant No. 2012YQ120047), and the National Natural Science Foundation of China ...
Get PriceLASCAD Tutorial No. 3: Modeling an Yb:YAG thin disk laser
2020-8-15u2002·u2002Computing Laser Power Output 9 7 Computing Laser Power Output Click the menu item Laser Power to open the window Laser Power Output, as shown in Fig. 8. In this example Yb:YAG is used as laser material, which is common for thin disk lasers. It is a quasi-3-level material, which means that the lower laser level is close to the ground level. Com-
Get PriceYb:CaF2 thin-disk laser - CORE
2019-9-7u2002·u2002disk can be a limiting factor [15] for high-powers and good beam quality in the order of M2 < 1.5, the thermo-optical effects were analyzed experimentally and compared to simulation results. Furthermore we report on the performance of the Yb:CaF2 in CW high- power thin-disk laser operation and the experimental demonstration of the broadband
Get PriceAnalytical approach to thermal lensing in end-pumped Yb ...
Thermal lensing in the thin-disk laser influences the output beam quality and optical efficiency significantly. In this paper, an analytical approach is taken to study the production mechanisms, features, and influences of thermal lensing in the end-pumped thin-disk laser. We calculate the distributions of temperature, stress, strain, and expansion in the disk and the curvature of the crystal …
Get PriceLaser Crystals: A Powerful Gain Medium for Laser Applications
2017-6-17u2002·u2002As we discussed, the composition of a laser crystal determines its best suited application. It is because of this that laser crystals are often classified based on their composition. They are often classified by the doping ion and then the host crystal. For example, an Ytterbium (Yb) doped Yttrium Aluminum Garnet (YAG) crystal is denoted as Yb ...
Get PriceYb:YAG Thin Disks
Yb:YAG Thin Disks. Our standard material is Yb:YAG with 7 % of doping concentration (5% might be available upon request). The surface is wegded in order to supress pre-pulses in pulsed operation. Outer crystal edges are beveled to avoid ASE. Other …
Get PriceEdge‐pumped asymmetric Yb:YAG/YAG thin disk laser
The use of a pump module with 16 passes through the crystal allowed the realization of a Yb:YAG thin-disk laser with 507 mW of continuous wave (CW) output power at 968 nm. ... to the best of our ...
Get PriceEdge‐pumped asymmetric Yb:YAG/YAG thin disk laser -
2007-9-3u2002·u2002The scheme uses a thin disk laser configuration with the pump light incident from disk edges. The pump light propagates through the disk along the zigzag path and repeatedly passes the gain medium, thus improving the pump uniformity and absorption efficiency. A maximum output power of over 123 W was achieved from an edge‐pumped composite Yb ...
Get PriceWhere to buy laser crystals, Nd:YAG, Nd:YVO4, Yb:YAG,
Shalom EO offers various kinds of laser crystals: Nd:YAG, Nd:Ce:YAG, Nd:YVO 4, CTH:YAG, Er:YAG, Yb:YAG, Ti:sapphire crystals and diffusion-bonded crystals.To be more specific, Nd:YAG and Nd:YVO 4 are suitable crystal types for 1064-nm lasers, while Nd:Ce:YAG, CTH:YAG and Er:YAG crystals are often used in medical and cosmetic lasers. Ti:sapphire crystals are applied in ultrafast laser systems ...
Get PriceHeat generation in quasi-three-level Yb:YAG thin-disk
2017-7-24u2002·u2002A theoretical model is established to evaluate heat generation in quasi-three-level Yb:YAG thin-disk lasers. Fluorescence heating fraction, laser heating fraction, amplified spontaneous emission (ASE) heating fraction, and non-radiative relaxation heating fraction are considered in our analysis. The dynamic process and spectral properties of ASE are analyzed by using quasi-three-level system ...
Get PriceLASCAD Tutorial No. 3: Modeling an Yb:YAG thin disk laser
2020-8-15u2002·u2002Computing Laser Power Output 9 7 Computing Laser Power Output Click the menu item Laser Power to open the window Laser Power Output, as shown in Fig. 8. In this example Yb:YAG is used as laser material, which is common for thin disk lasers. It is a quasi-3-level material, which means that the lower laser level is close to the ground level. Com-
Get PriceHigh-power Yb:GGG thin-disk laser oscillator: first
2017-1-23u2002·u20022State Key Laboratory of Crystal Materials, Shandong University, Ji'nan, China [email protected] ... 17. S. Radmard, S. Arabgari, and M. Shayganmanesh, 'Optimization of Yb:YAG thin-disk-laser design parameters considering the pumping-light back-reflection,' Opt. Laser ... requiring excellent spatial and spectral beam quality. In this ...
Get PriceHigh-power ultrafast thin disk laser oscillators and their
2017-8-25u2002·u2002thin disk laser cavity [8]. Using a 60-µm-thick etalon, the pulse duration of an Yb:YAG thin disk laser was continu-ously tuned over a wide range—from 3.3 to 89 ps—simply by changing the intracavity dispersion [10]. Pulses with a few picoseconds duration are ideally suited for many in-dustrial laser micromachining applications. However, other
Get PriceSimulation of thin disk laser pumping process for
2009-10-15u2002·u2002The front side of the Yb:YAG crystal is AR coated, whereas the back side is HR coated for both the pump and laser wavelength. Due to the small thickness (typically between 0.2 and 0.4 mm) of the crystal, the effective absorbing length is quite small (twice the thickness of the crystal) thus, a small part of pump power is absorbed.
Get PriceTheoretical calculation and experimental study on
2017-2-1u2002·u2002The thin disk laser is presented as an optimal laser design for the operation of a quasi-three-level laser active medium.In this paper, according to the Lambert-Bill's equation, the absorption efficiency with pump laser incident angle and pump pass numbers at room temperature is given for Yb:YAG crystal (Yb 3+ 10%, 0.3 mm thickness). The absorption efficiency is 93.98% for 24 absorption ...
Get PriceYb:YAG Thin Disks
Yb:YAG Thin Disks. Our standard material is Yb:YAG with 7 % of doping concentration (5% might be available upon request). The surface is wegded in order to supress pre-pulses in pulsed operation. Outer crystal edges are beveled to avoid ASE. Other materials and dimensions upon request. Category: Thin Disk Gain Media.
Get PriceEdge‐pumped asymmetric Yb:YAG/YAG thin disk laser
The use of a pump module with 16 passes through the crystal allowed the realization of a Yb:YAG thin-disk laser with 507 mW of continuous wave (CW) output power at 968 nm. ... to the best …
Get PriceEdge‐pumped asymmetric Yb:YAG/YAG thin disk laser - Liu -
2007-9-3u2002·u2002The scheme uses a thin disk laser configuration with the pump light incident from disk edges. The pump light propagates through the disk along the zigzag path and repeatedly passes the gain medium, thus improving the pump uniformity and absorption efficiency. A maximum output power of over 123 W was achieved from an edge‐pumped composite Yb ...
Get PriceWhere to buy laser crystals, Nd:YAG, Nd:YVO4, Yb:YAG,
Shalom EO offers various kinds of laser crystals: Nd:YAG, Nd:Ce:YAG, Nd:YVO 4, CTH:YAG, Er:YAG, Yb:YAG, Ti:sapphire crystals and diffusion-bonded crystals.To be more specific, Nd:YAG and Nd:YVO 4 are suitable crystal types for 1064-nm lasers, while Nd:Ce:YAG, CTH:YAG and Er:YAG crystals are often used in medical and cosmetic lasers. Ti:sapphire crystals are applied in ultrafast laser …
Get PriceHeat generation in quasi-three-level Yb:YAG thin-disk lasers -
2017-7-24u2002·u2002A theoretical model is established to evaluate heat generation in quasi-three-level Yb:YAG thin-disk lasers. Fluorescence heating fraction, laser heating fraction, amplified spontaneous emission (ASE) heating fraction, and non-radiative relaxation heating fraction are considered in our analysis. The dynamic process and spectral properties of ASE are analyzed by …
Get PriceLASCAD Tutorial No. 3: Modeling an Yb:YAG thin disk laser
2020-8-15u2002·u2002Computing Laser Power Output 9 7 Computing Laser Power Output Click the menu item Laser Power to open the window Laser Power Output, as shown in Fig. 8. In this example Yb:YAG is used as laser material, which is common for thin disk lasers. It is a quasi-3-level material, which means that the lower laser level is close to the ground level. Com-
Get PriceHigh-power Yb:GGG thin-disk laser oscillator: first
2017-1-23u2002·u20022State Key Laboratory of Crystal Materials, Shandong University, Ji'nan, China [email protected] ... 17. S. Radmard, S. Arabgari, and M. Shayganmanesh, 'Optimization of Yb:YAG thin-disk-laser design parameters considering the pumping-light back-reflection,' Opt. Laser ... requiring excellent spatial and spectral beam quality. In this ...
Get PriceHigh-power ultrafast thin disk laser oscillators and their
2017-8-25u2002·u2002thin disk laser cavity [8]. Using a 60-µm-thick etalon, the pulse duration of an Yb:YAG thin disk laser was continu-ously tuned over a wide range—from 3.3 to 89 ps—simply by changing the intracavity dispersion [10]. Pulses with a few picoseconds duration are ideally suited for many in-dustrial laser micromachining applications. However, other
Get PriceSimulation of thin disk laser pumping process for temperature
2009-10-15u2002·u2002The front side of the Yb:YAG crystal is AR coated, whereas the back side is HR coated for both the pump and laser wavelength. Due to the small thickness (typically between 0.2 and 0.4 mm) of the crystal, the effective absorbing length is quite small (twice the thickness of the crystal) thus, a small part of pump power is absorbed.
Get PriceTheoretical calculation and experimental study on absorption
2017-2-1u2002·u2002The thin disk laser is presented as an optimal laser design for the operation of a quasi-three-level laser active medium.In this paper, according to the Lambert-Bill's equation, the absorption efficiency with pump laser incident angle and pump pass numbers at room temperature is given for Yb:YAG crystal (Yb 3+ 10%, 0.3 mm thickness). The absorption efficiency is 93.98% …
Get PriceYb:YAG Thin Disks
Yb:YAG Thin Disks. Our standard material is Yb:YAG with 7 % of doping concentration (5% might be available upon request). The surface is wegded in order to supress pre-pulses in pulsed operation. Outer crystal edges are beveled to avoid ASE. Other materials and dimensions upon request. Category: Thin Disk Gain Media.
Get PriceEdge‐pumped asymmetric Yb:YAG/YAG thin disk laser
The use of a pump module with 16 passes through the crystal allowed the realization of a Yb:YAG thin-disk laser with 507 mW of continuous wave (CW) output power at 968 nm. ... to the best of our ...
Get PriceEdge‐pumped asymmetric Yb:YAG/YAG thin disk laser -
2007-9-3u2002·u2002The scheme uses a thin disk laser configuration with the pump light incident from disk edges. The pump light propagates through the disk along the zigzag path and repeatedly passes the gain medium, thus improving the pump uniformity and absorption efficiency. A maximum output power of over 123 W was achieved from an edge‐pumped composite Yb ...
Get PriceWhere to buy laser crystals, Nd:YAG, Nd:YVO4, Yb:YAG,
Shalom EO offers various kinds of laser crystals: Nd:YAG, Nd:Ce:YAG, Nd:YVO 4, CTH:YAG, Er:YAG, Yb:YAG, Ti:sapphire crystals and diffusion-bonded crystals.To be more specific, Nd:YAG and Nd:YVO 4 are suitable crystal types for 1064-nm lasers, while Nd:Ce:YAG, CTH:YAG and Er:YAG crystals are often used in medical and cosmetic lasers. Ti:sapphire crystals are applied in ultrafast laser systems ...
Get PriceHeat generation in quasi-three-level Yb:YAG thin-disk
2017-7-24u2002·u2002A theoretical model is established to evaluate heat generation in quasi-three-level Yb:YAG thin-disk lasers. Fluorescence heating fraction, laser heating fraction, amplified spontaneous emission (ASE) heating fraction, and non-radiative relaxation heating fraction are considered in our analysis. The dynamic process and spectral properties of ASE are analyzed by using quasi-three-level system ...
Get PriceLASCAD Tutorial No. 3: Modeling an Yb:YAG thin disk laser
2020-8-15u2002·u2002Computing Laser Power Output 9 7 Computing Laser Power Output Click the menu item Laser Power to open the window Laser Power Output, as shown in Fig. 8. In this example Yb:YAG is used as laser material, which is common for thin disk lasers. It is a quasi-3-level material, which means that the lower laser level is close to the ground level. Com-
Get PriceHigh-power Yb:GGG thin-disk laser oscillator: first
2017-1-23u2002·u20022State Key Laboratory of Crystal Materials, Shandong University, Ji'nan, China [email protected] ... 17. S. Radmard, S. Arabgari, and M. Shayganmanesh, 'Optimization of Yb:YAG thin-disk-laser design parameters considering the pumping-light back-reflection,' Opt. Laser ... requiring excellent spatial and spectral beam quality. In this ...
Get PriceHigh-power ultrafast thin disk laser oscillators and their
2017-8-25u2002·u2002thin disk laser cavity [8]. Using a 60-µm-thick etalon, the pulse duration of an Yb:YAG thin disk laser was continu-ously tuned over a wide range—from 3.3 to 89 ps—simply by changing the intracavity dispersion [10]. Pulses with a few picoseconds duration are ideally suited for many in-dustrial laser micromachining applications. However, other
Get PriceSimulation of thin disk laser pumping process for
2009-10-15u2002·u2002The front side of the Yb:YAG crystal is AR coated, whereas the back side is HR coated for both the pump and laser wavelength. Due to the small thickness (typically between 0.2 and 0.4 mm) of the crystal, the effective absorbing length is quite small (twice the thickness of the crystal) thus, a small part of pump power is absorbed.
Get PriceTheoretical calculation and experimental study on
2017-2-1u2002·u2002The thin disk laser is presented as an optimal laser design for the operation of a quasi-three-level laser active medium.In this paper, according to the Lambert-Bill's equation, the absorption efficiency with pump laser incident angle and pump pass numbers at room temperature is given for Yb:YAG crystal (Yb 3+ 10%, 0.3 mm thickness). The absorption efficiency is 93.98% for 24 absorption ...
Get PriceYb:KGW and Yb:KYW Laser Crystals - EKSMA Optics
Yb:KGW and Yb:KYW thin (100–150 µm) crystals are used as lasing materials to generate ultrashort (< 100 fs) high power (> 22 W) pulses. Standard pumping at 981 nm, output: 1023–1060 nm. Yb:KGW and Yb:KYW crystals can be used as ultrashort pulses amplifiers. Yb:KGW and Yb:KYW are one of the best materials for high power thin disk lasers.
Get PriceBonding quality of Yb:Y Al O /Y Al O composite crystals -
2018-1-2u2002·u2002made Yb:YAG/YAG composite crystals by thermal bonding. The deformation of Yb:YAG thin-disk is difficult because YAG acts as a heat sink. So the improvement on laser efficiency and beam quality can be achieved using Yb:YAG/YAG composite crystals. A composite laser rod in diode-pumped was first made by Onyxoptics company by the thermal
Get PriceStudy on LD-Pumped Yb:YAG Rod Laser - Scientific.Net
The physical properties and characteristics of absorption and emission spectra of Yb: YAG crystal are analyzed in this paper. From the rate equation of quasi-three-level system,We derive the rate equations of diode-pumped continuous work-end-pumped solid state laser and a theoretical analysis and optimization design for continuous LD end-pumped lasers are given.
Get PriceA 2.65-kW Yb:YAG single-rod laser - Semantic Scholar
We report a continuous-wave average output power of 2.65 kW from a single Yb:YAG laser rod pumped with 9000 W from 940 nm InGaAs laser diodes. To the best of our knowledge, this is the highest average output power ever reported from a single Yb:YAG gain element. The optical-to-optical efficiency (i.e., output power to raw laser diode optical power) was 28%.
Get PriceHigh-power thin-disk laser with composite Yb:YAG ... -
2014-2-24u2002·u2002Keywords—thin-disk laser; Yb:YAG, composite active element, anti-ASE cap, thermal effects Today the average power of thin-disk lasers with one active element (AE) and excellent beam quality is limited at one-kilowatt level. The major problems that limit further laser's scalability are the thermal effects in AE and amplified
Get PriceThin-Disk Lasers - spie.org
Thin-Disk Lasers. The gain medium of a thin-disk laser (or disc laser, active mirror laser) is a laser crystal (often Yb:YAG) in the form of a disk with a thickness of 100-200 µm, which is fixed on a water-cooled heat sink. The cooled end face has a dielectric coating that reflects both the laser …
Get PriceOptimized temperature/bandwidth operation of
2014-2-19u2002·u2002Yb:YAG composite thin-disk laser amplifier. 2. Experimental setup and results The laser-head was based on a multipass amplifier constituted of the composite thin-disc (CTD) and a telescope for relay-imaging the beam, ensuring a high beam quality after amplification, as demonstrated first in [7]. The setup is shown on Figure 1 with photos.
Get PriceMinimizing Thermal Load and Stabilizing Mode in Yb:YAG ...
2020-7-10u2002·u2002We report for the first time a 1050 nm Yb:YAG thin disk laser multi-pass pumped by a 1030 nm laser with minimal thermal load and stable laser mode. The low quantum defect and anti-Stokes fluorescence cooling decrease the heat generation inside gain medium efficiently, leading to a maximum total fractional thermal load of 1.05% in consideration of the additional thermal load caused by …
Get PriceBacterial Foraging Optimization Algorithm (BFOA) to ...
2017-1-22u2002·u2002Eng. & Tech. Journal .Vol.31, No.1, 2013 Bacterial Foraging Optimization Algorithm (BFOA) to Simulate Thermal Distribution in Yb:YAG Laser Thin Disk 135 part of the amplified laser radiation per unit volume, k is the thermal conductivity of the material, is the …
Get PriceHeat-fraction-limited CW Yb:YAG cryogenic solid-state ...
2017-3-31u2002·u20021029. The Yb:YAG crystal assembly (CA) employed utilizes a 25 at-% Yb doped disk with a 2 mm thickness and a diameter of 1 cm. The disk is sandwiched between two 1 mm thick, 1 cm diameter C-cut sapphire plates. The Yb:YAG disk is uncoated, as are the inside surfaces of the sapphire disks.
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