This book highlights the rapidly emerging field of solution-processed halide perovskite lasers. These amazing materials not only possess exceptional photovoltaic properties, but are also outstanding optical gain media. Halide perovskites are the latest member of solution-processed optical gain media, joining organics and traditional semiconductor colloidal quantum dots. Amplified spontaneous emission and lasing have been demonstrated in various halide perovskite configurations and nanostructures with wavelengths tunable over the visible and infrared wavelengths (400–1000 nm). This book provides comprehensive information on perovskite lasing, starting with some fundamentals of lasers and their basic operating principles. Unambiguous methods for identifying lasing light emission are presented, while the basic optoelectronic properties of perovskite materials are also discussed, with an emphasis on their photophysics, using ultrafast optical spectroscopy techniques. The viability of perovskites as a gain media within a suitable resonator, as well as the characterization methods for optical gain, are highlighted. The book closes with a discussion on the remaining challenges (such as electrical driven lasing and material stabilities) that need to be tackled, and the future of this new family of lasers.
The Producer's Playbook reveals the Mystery of Love in 1 Corinthians 13:12 when acted upon: For now we see only a reflection as in a mirror; then we shall see face to face. Now I know in part; then I shall know fully, even as I am fully known. The playbook is based on three premises about love: God is Love Love is Defined in 1 Corinthians 13 Love is Sovereign, each endowed with divine matter, act, and will. Based on the premises above, the Playbook explores how to reverse curses, integrate shadows, and act upon your true passion, pursuit, and purpose through the means of love defined. The playbook deep dives into the Origins of Spiritual Intelligence based on the true purpose of Lucifer's cosmic function as "bringer of light" in the duality between good and evil, setting a chain of events, namely the fierce faith of Eve, the true compassion of Adam, and the true love of God's son, Jesus Christ, in the alchemy of reversing the first curse that caused the first fall-- "God doubts my goodness." Based on the true story of Eve's choice to bite from the fruit, the playbook aims to deconstruct your alchemized shadows and reconstruct meaning and purpose when transforming your tragedy into The Love Story by way of love defined. About the Author Mingjie Zhai is Founding Producer of The Love Story Media, Inc., a 501(c)3 non-profit educational organization that produces programs that transform our personal tragedies into "The Love Story" by way of love defined in 1 Corinthians 13. The Producer's Playbook is one of the instructional textbooks to The Producer's Program. You can find mor=e information about The Producer's Program at www.thelovestory.org.
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