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"Fonon merupakan keadaan kuantum dari getaran atom-atom di dalam suatu kristal. Pergerakan atom pada dasarnya terjadi dengan fase yang acak antara satu atom dengan atom lainnya. Akan tetapi, jika suatu pulsa laser diberikan pada material dengan orde waktu yang sangat singkat (misalnya femtosekon, 10-15 s), atom-atom di dalam kristal tersebut dapat bergerak seiringan secara koheren dengan fase yang sama. Getaran ini terkait dengan pembangkitan fonon yang koheren (coherent phonon) sebagai hasil dari relaksasi pembawa muatan (elektron) yang tereksitasi ke pita konduksi yang kemudian berinteraksi dengan kisi-kisi kristal melalui interaksi elektro-fonon. Fonon yang koheren memenuhi persamaan osilator harmonik terkendali (driven harmonic oscillator)."

"Comprehensively covers the fundamental scientific principles and technologies that are used in the design of modern computer-controlled machines and processes."

"User Experience (UX) has been employed for new product development, yet few systematic approaches have been developed. This study aims to propose a systematic approach, namely, User-experience-based design of experiments (UXDOE) to capture user response and filter design ideas to derive new product design directions. Two empirical studies were conducted with the collaboration of a world leading electronics manufacturing services (EMS) company. The derived results can support the confirmation of the target segments from the perspective of marketing and clarifying key factors. Based on UXDOE, this study investigated the influence of UX on 14 notebook prototypes and wearable product design practices. The result of empirical studies have shown practical viability of the proposed approach. This study filters design ideas of esthetics and indicates several key factors of the products that enables better understanding of UX and preferences across different segments and their evaluation toward various product concepts."