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  • Laser System Assures Pump Efficiency - Efficient Plant

    2020-10-1 · LevAlign Expert system provides simple accurate measurement of vertical-pump tolerances. For 10 years, 56 vertical utility pumps operated continuously and without incident at one of the world’s largest chemical companies, located in Germany. After almost 100,000 operating hours in that span, it was necessary to conduct thorough, detailed asset ...

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  • Comparative study of the optical pumping efficiency

    2021-5-8 · Abstract: The optical pump efficiency of a solid-state laser has been calculated, in an unified manner, for the active materials ruby, Nd:YAG, Nd:glass, alexandrite, and Nd:Cr:GSGG under typical operating conditions. This unified presentation allows for a critical comparison and points toward possible future improvements.

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  • Pump quantum efficiency in the three-micron laser

    1994-8-16 · It is shown that in the stationary regime analytical formulae for the quantum efficiency could be obtained as a function of pump conditions and global efficiency of the cross-relaxation processes. These formulae enable a selection of the active medium …

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  • Pump efficiency and beam quality control in an end

    2008-5-23 · The laser radiation production in an end-pumped laser requires taking into consideration the following: (a) the optical pumping system, (b) the thermal and spectroscopic characteristics of the gain medium, (c) the mode overlap, and (d) the interaction with the optical resonator.

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  • Enhancement of pump efficiency for an organic

    An important property of an optically pumped laser is its slope efficiency (or differential efficiency), defined as the slope of the curve obtained by plotting the laser output versus the pump power (Figure 1). In many cases, this curve is close to linear, so that the specification of the slope efficiency as …

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  • RP Photonics Encyclopedia - slope efficiency, laser ...

    2016-4-13 · Efficiency depends on the choice of the laser material as well as its structure, with ytterbium offering the best efficiency. It has one broad pump band at 915–940 nm, and a narrower but stronger band peaking at 976 nm.

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  • Photonic Frontiers: High-efficiency ... - Laser Focus

    Pump absorption is the absorption of pump light, e.g. in a laser or a laser amplifier. Efficient pump absorption is required for a high power conversion efficiency. RP Photonics Marketing

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  • Laser System Assures Pump Efficiency - Efficient Plant

    2020-10-1 · Laser System Assures Pump Efficiency. EP Editorial Staff | October 1, 2020. LevAlign Expert system provides simple accurate measurement of vertical-pump tolerances. For 10 years, 56 vertical utility pumps operated continuously and without incident at one of the world’s largest chemical companies, located in Germany. After almost 100,000 ...

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  • Pump efficiency and beam quality control in an end

    Abstract. The laser radiation production in an end-pumped laser requires taking into consideration the following: (a) the optical pumping system, (b) the thermal and spectroscopic characteristics of the gain medium, (c) the mode overlap, and (d) the interaction with the optical resonator.

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  • Enhancement of pump efficiency for an organic

    2015-5-8 · The pump efficiency for the laser, such as lasing output threshold and conversion efficiency, can be enhanced. The light loss, diffraction efficiency and driving voltage were also investigated for the HPDLC structures to identify the effects of the rubbing layer and monomer functionality.

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  • Pump Lasers | Lumentum Operations LLC

    The S30 and S32 pump laser modules leverage a revolutionary design and lean manufacturing processes to significantly advance the performance and scalability of 980 nm pumps. The M27 and M29 lasers are semicooled at 45°C, low-profile 10-PIN small-form-factor (mini-butterfly) packaged pump lasers.

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  • Enhancement of pump efficiency of a visible wavelength ...

    2017-11-20 · improve pump efficiency for 2D photonic crystal slab lasers [14] and vertical cavity lasers, the incident angle tuning approach described in this work is simple to implement with a non-tunable pump laser, as one need only to choose the correct angle of incidence. 2. Device structure and fabrication

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  • Pump absorption efficiency of an optically pumped ...

    A general method of calculating the pump-absorption efficiency and percentage pump losses in an SMM laser is given, which is based on the Gaussian beam transformation in the resonator. These calculations are essential in SMM laser designing. By calculating and comparing different cavity configurations a design with a relatively high pump absorption efficiency is chosen and the optimum input ...

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  • High-Efficiency High-Power Nd:YAG Laser under 885nm

    Lumentum offers a broad line of pump lasers for optical amplification. The 980 nm products that are used in erbium-doped fiber amplifiers offer operating power levels from 100 mW to 1600 mW. The S26, S27, and S29 series are semicooled at 45°C for diode laser ...

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  • Laser : Fundamentals - Value for the output power

    A high-efficiency high-power Nd:YAG laser under 885nm laser diode (LD) pumping is demonstrated. The laser crystal is carefully designed, and the overlapping between the pump modes and the laser modes is optimized. The maximum output power at 1064nm is 87W under the absorbed pump power 127.7W, corresponding to a

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  • Pump efficiency improvement of a C-band tunable

    2007-4-20 · Pump efficiency improvement of a C-band tunable fiber laser using optical circulator and tunable fiber gratings. Liaw SK(1), Jang WY, Wang CJ, Hung KL. Author information: (1)Department of Electronic Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan.

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  • Efficient OPSL-pumped mode-locked Yb:Lu 2 O 3

    2016-1-7 · We present a mode-locked Yb:Lu2O3 laser with up to 67% of optical-to-optical efficiency. By utilizing a high brightness optically pumped semiconductor laser (OPSL) as a pump source and using a ...

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  • Influence of the Pump-Induced Loss for the Efficiency

    We investigate decrease of laser efficiency in blue diode-laser-pumped continuous-wave Ti:sapphire laser. We confirmed that the pump-induced loss may cause decrease of the mode-overlapping efficiency.

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  • Enhancement of pump efficiency of a visible wavelength ...

    2017-11-20 · improve pump efficiency for 2D photonic crystal slab lasers [14] and vertical cavity lasers, the incident angle tuning approach described in this work is simple to implement with a non-tunable pump laser, as one need only to choose the correct angle of incidence. 2. Device structure and fabrication

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  • High efficiency 5W pump diode laser delivers at 915nm

    2006-7-21 · High efficiency 5W pump diode laser delivers at 915nm. 21 Jul 2006. Lumics' novel 5W laser chips, designed for the pumping of fiber lasers, are specified to operate at 60% efficiency and have achieved 80% in laboratory tests.

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  • Enhanced efficiency of AlGaInP disk laser by in-well

    2015-2-9 · The performance of a 665-nm GaInP disk laser operated continuous-wave at 15°C both in-well-pumped at 640 nm and barrier pumped at 532 nm is reported. The efficiency with respect to the absorbed power was enhanced by 3.5 times when using a 640-nm pump instead of a 532-nm pump.

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  • Laser : Fundamentals - Value for the output power

    The D2 Series, dual chip 980 nm pump module, incorporates the Lumentum high-reliability, high-efficiency 980 nm laser diode in a cooled fiber Bragg grating-stabilized 14-pin low-profile butterfly design and provides a noise-free, narrowband spectrum, even under

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  • Encyclopedia of Laser Physics and Technology - slope

    2012-3-23 · The slope of this line is often called the laser efficiency and in this case is equal to 63%. By using the pump power at the lasing threshold calculated previously (see the section “Power of the pump at the lasing threshold”), the output power can be calculated as 266 mW (if the maximum pump power is equal to 500 mW).

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  • Suzhou EVERBRIGHT Photoelectric Technology Co., Ltd.

    2010-6-24 · absorption efficiency, the ratio of laser and pump photon energy ( quantum defect), the quantum efficiency of the gain medium, and the output coupling efficiency of the laser resonator. It can be elucidating to compare the slope efficiency with the differential quantum efficiency in order to judge the potential for further device improvement.

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  • Pump efficiency improvement of a C-band tunable

    2007-4-20 · Pump efficiency improvement of a C-band tunable fiber laser using optical circulator and tunable fiber gratings. Liaw SK(1), Jang WY, Wang CJ, Hung KL. Author information: (1)Department of Electronic Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan.

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  • Enhanced efficiency of AlGaInP disk laser by in-well

    2015-2-9 · The performance of a 665-nm GaInP disk laser operated continuous-wave at 15°C both in-well-pumped at 640 nm and barrier pumped at 532 nm is reported. The efficiency with respect to the absorbed power was enhanced by 3.5 times when using a 640-nm pump instead of a 532-nm pump.

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  • High efficiency laser-pumped emerald lasers

    Highly efficient laser operation has been achieved in emerald. In a quasi-cw laser-pumped emerald laser, 64% output slope efficiency has been measured at 768 nm, corresponding to a laser quantum yield of 76%. An output power of 1.6 W was reached at 3.6 W of pump power at 647.1 nm from a krypton laser, and was pump power limited.

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  • Enhancement of pump efficiency of a visible wavelength ...

    2017-11-20 · improve pump efficiency for 2D photonic crystal slab lasers [14] and vertical cavity lasers, the incident angle tuning approach described in this work is simple to implement with a non-tunable pump laser, as one need only to choose the correct angle of incidence. 2. Device structure and fabrication

    Get Price
  • High efficiency 5W pump diode laser delivers at 915nm

    2006-7-21 · High efficiency 5W pump diode laser delivers at 915nm. 21 Jul 2006. Lumics' novel 5W laser chips, designed for the pumping of fiber lasers, are specified to operate at 60% efficiency and have achieved 80% in laboratory tests.

    Get Price
  • High efficiency cw laser-pumped tunable alexandrite

    OSTI.GOV Journal Article: High efficiency cw laser-pumped tunable alexandrite laser

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  • Efficient, frequency-stable laser-diode-pumped Nd:YAG

    2006-12-3 · pump Nd:YAG fibers.5 Superluminescent diodes have end pumped Nd:YAG rods.6 Laser diodes have been used to end pump the stoichiometric neodymium compound LiNdP4 012 with a 1.5% electrical-to-optical slope efficiency.6 This Letter reports the highest effi-ciency for Nd:YAG to date and contains the first re-ported measurements of frequency stability.

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  • Pump Laser: MicroSwissErfolgsgeschichte

    2015-9-14 · conversion efficiency 0 2 4 6 8 10 12 14 16 18 20 22 current (A) BASE 03 BASE 04 BASE 05 T HS = 25ºC • Continuous improvement of maximum power and conversion efficiency at Pmax • BASE 05: – ex-facet power of 20 W at I op = 22 A, T hs= 25°C – WPE max= 63%, WPE 20W = 50% Pump Development 1999

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  • Heat Pump Efficiency | NIST

    2021-5-11 · NIST developed airflow models and measurement techniques that enabled manufacturers to improve heat pump efficiency, saving customers money. NIST researchers used high-resolution cameras and laser-illuminated dust particles to track the motion and distribution of airflow through heat exchangers and used this data to develop computational models.

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  • Optimization of fiber-coupled laser-diode end

    A general model has been developed for the optimization of fiber-coupled laser-diode pumped lasers by including the effect of pump-beam quality into the mode-overlap integrals. The numerical results of the mode-overlap integrals have been fitted to an analytical function of pump spot size, laser mode size and the parameter /spl beta/, which is in terms of laser-diode beam quality and ...

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  • Efficient, frequency-stable laser-diode-pumped Nd:YAG

    2006-12-3 · pump Nd:YAG fibers.5 Superluminescent diodes have end pumped Nd:YAG rods.6 Laser diodes have been used to end pump the stoichiometric neodymium compound LiNdP4 012 with a 1.5% electrical-to-optical slope efficiency.6 This Letter reports the highest effi-ciency for Nd:YAG to date and contains the first re-ported measurements of frequency stability.

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  • High-efficiency vertical-cavity laser diode pumps for

    High-efficiency vertical-cavity laser diode pumps for high-energy solid-state lasers. Award Information ... Aerius Photonics proposes to develop fiber laser pump blocks and modules based on Vertical-Cavity Surface Emitting Laser (VCSEL) arrays which can have a manufacturing cost ten times lower than the existing Edge Emitting Laser (EEL ...

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  • Photolytical XeF( C – A ) laser amplifier of

    2008-4-26 · Photolytical XeF(C–A) laser amplifier of femtosecond optical pulses: gain measurements and pump efficiency. V. Tcheremiskine 1, O. Uteza 1, A. Aristov 2, M. Sentis 1 & L. Mikheev 2 Applied Physics B volume 91, Article number: 447 (2008) Cite this article

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  • Diode-Pumped Solid State Lasers - MIT Lincoln Laboratory

    2019-2-15 · pump sources are overall laser efficiency and extended pump-sourcelifetime. The increase in efficiency is due toimproveduse oftheoptical pumpradiation. Figure 2, which shows the absorption spectrum of the most common solid state laser material (Nd:YAG), and the outputspectrumofbotha pulsedflashlarnp anda diode laser, illustrates the increased ...

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  • Laser Pump Alignment - ISTecnik

    Hamar S-670 sets new standards in pump alignment efficiency and ease of use. The Hamar Stealth S-670 Laser Pump Shaft Alignment System is the latest generation of Hamar’s industry proven laser alignment systems. It delivers the ultimate in ease of use, speed and efficiency for any pump alignment application, all within a reasonable investment budget. […]

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  • US8908722B2 - Pump absorption and efficiency for

    Techniques are disclosed for improving pump absorption and efficiency for fiber lasers and amplifiers, for instance. In some embodiments, the techniques are implemented by applying a partially reflective coating on a fiber end-face to double-pass any unabsorbed or otherwise excess pump light in the cladding of a fiber. While being reflective to pump wavelengths, the coating can be non ...

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  • Studying the Effect of Laser Pump Pulse Energy and Delay ...

    2020-3-24 · conversion efficiency of the optical intensity coming out of nonlinear material s[4-5]. The new technique is called the laser pump-probe technique [6], which records the laser pulse before and after passing through the non-linear material. The pump-probe laser technology is now one of the most

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  • 1. Gold-coated laser pump chambers/cavities - Sintec

    Pump Efficiency Meters- Censeo We offer a range of performance monitoring equipment for pumps, blowers and turbines. Our pump efficiency meters use the fundamental thermodynamic principle that losses in the machine are primarily transferred to the fluid being pumped, in the form of heat.

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  • Heat Pump Efficiency | NIST

    Single- or dual-lamp high-efficiency laser pump chambers/cavities can accommodate laser rods of 3 to 10mm in diameter and up to 180mm in length. A laser pump chamber consists of: Stainless steel or non-metal body. Gold-coated elliptical ...

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  • Studying the Effect of Laser Pump Pulse Energy and Delay ...

    2020-3-24 · conversion efficiency of the optical intensity coming out of nonlinear material s[4-5]. The new technique is called the laser pump-probe technique [6], which records the laser pulse before and after passing through the non-linear material. The pump-probe laser technology is now one of the most

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  • A high-efficiency regime for gas-phase terahertz

    2018-6-26 · Fig. 1 depicts our OPFIR laser: A line-tunable CO 2 pump laser (λ = 9.7 μ m) is focused through a pinhole in the front copper mirror into a 5-mm × 14.3-cm copper tube filled with CH 3 13 F gas. The lasing transition is brought into resonance with the cavity by a copper-plunger rear mirror that adjusts the cavity length, and the resulting ...

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  • Pump Laser Alignment in El Paso | Accurate Results

    Our laser alignment services are not solely equipped to improve manufacturing efficiency. Incorporating laser shaft alignment for your motor-pump can also help to minimize the risk to beam injuries during these procedures. In a long-term perspective, shaft alignment can increase your profitability through your ability to provide consumers with ...

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  • High-efficiency generation of a low-noise laser at 447 nm

    2020-6-4 · High-efficiency generation of a low-noise laser at 447nm Xiaojie Zuo1, Zhihui Yan1,2*, and Xiaojun Jia1,2 1State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan, 030006, People’s Republic of China 2Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, People’s Republic of China

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  • High-efficiency broadband tunable green laser

    2021-5-1 · In the free-running laser, the slope efficiency was optimized up to 59.3% with 543.9 nm lasing, with respect to the launched pump power, using a 20-cm long active fiber. This is the maximum slope efficiency reported to date for a green fiber laser. A maximum output power of 376 mW at 543.5 nm was achieved by using a 17-cm long active fiber ...

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  • HI - 40.6 - Methods for Rotodynamic Pump Efficiency ...

    2021-1-1 · Find the most up-to-date version of 40.6 at Engineering360.

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  • high efficiency vertical centrifugal forth slurry pump

    High Efficiency Slurry Pumps, Large Capacity Slurry Pumps . Tobee ® TZ High Efficiency Slurry Pumps are designed for large capacity, high head and multistages in series, it is especially used to ash and slag handling system and slurry transportation in electric power, metallurgy, coal and other industries, As latest generation of centrifugal slurry pump product, TZ slurry pumps can meet ...

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  • High Energy Pulsed Linear Flashlamp Vqx1010 To

    Vintage (early years 70'), pulsed xenon-filled, high energy, linear flashlamp to pump large Nd:glass or ruby laser rods, type VQX 1010 (E1), made by Verre et Quartz, France. The linear design assures the best pump efficiency in an elliptical pumping chamber, ideal for a large laser rod oscillator or amplifier.

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  • Laser cutting machines - HAWE Hydraulik

    HAWE Hydraulik SE Einsteinring 17 85609 Aschheim/München Germany Phone: +49 89 379100-1000 Fax: +49 89 379100-91000 info (at) hawe.de

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  • Economical 7×1 High Power Pump Combiner,7×1

    The HPPC-high Power Pump Combiner is designed for combining the power of several multimode laser diodes with high efficiency. The device can handle more than 1 kW combined power. Available for different fiber types.

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