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Author | : Gary Keller |
Publisher | : McGraw Hill Professional |
Total Pages | : 370 |
Release | : 2004-04-01 |
Genre | : Business & Economics |
ISBN | : 0071502084 |
Take your real estate career to the highest level! "Whether you are just getting started or a veteran in the business, The Millionaire Real Estate Agent is the step-by-step handbook for seeking excellence in your profession and in your life." --Mark Victor Hansen, cocreator, #1 New York Times bestselling series Chicken Soup for the Soul "This book presents a new paradigm for real estate and should be required reading for real estate professionals everywhere." --Robert T. Kiyosaki, New York Times bestselling author of Rich Dad, Poor Dad The Millionaire Real Estate Agent explains: Three concepts that drive production Economic, organizational, and lead generation models that are the foundations of any high-achiever's business How to "Earn a Million," "Net a Million," and "Receive a Million" in annual income
Author | : Robert C. Seidel |
Publisher | : |
Total Pages | : 64 |
Release | : 1978 |
Genre | : Turbogenerators |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 26 |
Release | : 1978 |
Genre | : Aerodynamic load |
ISBN | : |
Author | : Kaman Aerospace Corporation |
Publisher | : |
Total Pages | : 104 |
Release | : 1979 |
Genre | : Wind power |
ISBN | : |
Author | : M. C. Wehrey |
Publisher | : |
Total Pages | : 142 |
Release | : 1985 |
Genre | : Wind power |
ISBN | : |
Author | : Matthias M. Karow |
Publisher | : Cuvillier Verlag |
Total Pages | : 143 |
Release | : 2022-06-27 |
Genre | : Technology & Engineering |
ISBN | : 3736966261 |
ndustrial laser systems for material processing applications rely on the availability of highly efficient, high-brightness diode lasers. GaAs-based broad-area laser bars play a vital role in such applications as pump sources for high-beam-quality solid-state lasers and, increasingly, as direct processing tools. This work studies 940 nm-laser bars emitting 1 kW optical power at room temperature, identifying those physical mechanisms that are currently limiting electrical-to-optical conversion efficiency as well as lateral beam quality. In the process, several diagnostic studies on bars with varied lateral-longitudinal design were carried out. The effects of technological measures for performance optimization were analyzed, yielding a new benchmark in efficiency and lateral divergence. The studies into altered resonator lengths of 4 and 6 mm as well as fill factors between 69 and 87 % successfully reduce both the voltage dropping across the device and power saturation at high currents, enabling 66 % efficiency at the operation point. Concrete measures how to reach efficiencies ≥70 % are presented thereafter, showing that doubling the efficiency value of the first 1 kW-demonstration in 2007 – amounting to 35 % – is in near reach. Investigation of the beam quality bases on a herein proposed and realized concept, in which the far field is resolved for each individual bar emitter. In this way, it is possible to determine how far-field profiles vary along the bar width and how much these variations affect the overall bar far-field. Further, such effects specific to bar structures can be separated into non-thermal and thermal influences. The effect of mechanical chip deformation (bar smile) as well as neighboring-emitter interaction has been investigated for the first time in active kW-class devices, yielding a lateral divergence as low as 8.8° at the operation point.
Author | : |
Publisher | : DIANE Publishing |
Total Pages | : 48 |
Release | : |
Genre | : |
ISBN | : 1422330370 |
Author | : |
Publisher | : DIANE Publishing |
Total Pages | : 47 |
Release | : |
Genre | : |
ISBN | : 142233032X |
Author | : Alex P. Brouwers |
Publisher | : |
Total Pages | : 156 |
Release | : 1980 |
Genre | : Airplanes |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 28 |
Release | : 1984 |
Genre | : Electric generators |
ISBN | : |