excited state lifetime

简明释义

激发状态寿命

英英释义

例句

1.In quantum mechanics, the excited state lifetime can influence the emission spectra of atoms.

在量子力学中，激发态寿命会影响原子的发射光谱。

2.Researchers found that the excited state lifetime of the molecule was significantly shorter than previously thought.

研究人员发现该分子的激发态寿命明显短于之前的预期。

3.The excited state lifetime of this dye is essential for its application in laser technology.

这种染料的激发态寿命对其在激光技术中的应用至关重要。

4.We used time-resolved spectroscopy to measure the excited state lifetime of the semiconductor.

我们使用时间分辨光谱法测量半导体的激发态寿命。

5.The measurement of the excited state lifetime is crucial for understanding the properties of the material.

测量激发态寿命对于理解材料的特性至关重要。

作文

In the realm of quantum mechanics and photonics, the concept of excited state lifetime plays a crucial role in understanding how atoms and molecules interact with light. The excited state lifetime refers to the duration for which an atom or molecule remains in an excited state before returning to its ground state. This phenomenon is significant in various applications, including lasers, fluorescence, and energy transfer processes.When an atom absorbs energy, it can jump from its ground state to a higher energy level, resulting in an excited state lifetime. This transition is not permanent; instead, the atom will eventually lose energy and return to its original state, emitting a photon in the process. The time it takes for this transition to occur is what we refer to as the excited state lifetime. The length of the excited state lifetime can vary widely depending on several factors, including the type of atom or molecule, the surrounding environment, and the specific energy levels involved. For instance, in some fluorescent materials, the excited state lifetime can be on the order of nanoseconds, while in others, it may extend to microseconds or even longer. This variability is essential for designing materials for specific applications, such as in the development of efficient solar cells or highly sensitive sensors.Understanding the excited state lifetime is also vital in the field of spectroscopy. Spectroscopic techniques rely on the interaction of light with matter, and the characteristics of emitted or absorbed light can provide valuable information about the electronic structure of molecules. By studying the excited state lifetime, scientists can infer details about molecular dynamics, energy transfer mechanisms, and even chemical reactions. Moreover, the excited state lifetime is a critical parameter in the field of quantum computing. Quantum bits, or qubits, can exist in superposition states, but maintaining these states requires careful management of the excited state lifetime. If the lifetime is too short, the qubit may lose its information before it can be processed, leading to errors in computation. Therefore, researchers are continually exploring ways to enhance the excited state lifetime of qubits to improve the performance and reliability of quantum computers.In conclusion, the concept of excited state lifetime is fundamental to many areas of science and technology. From understanding molecular interactions to advancing quantum computing, the implications of this concept are vast and varied. As research continues to evolve, the ability to manipulate and control the excited state lifetime will undoubtedly lead to new discoveries and innovations that can transform our understanding of the physical world and enhance technological advancements. Thus, the excited state lifetime is not merely a theoretical concept; it is a key factor that bridges the gap between quantum mechanics and practical applications, making it an essential area of study for scientists and engineers alike.

在量子力学和光子学领域，激发态寿命的概念在理解原子和分子如何与光相互作用方面起着至关重要的作用。激发态寿命是指原子或分子在返回基态之前保持在激发态的持续时间。这种现象在激光、荧光和能量转移过程等各种应用中具有重要意义。当原子吸收能量时，它可以从基态跃迁到更高的能级，从而产生激发态寿命。这种跃迁不是永久的；相反，原子最终会失去能量并返回到其原始状态，在此过程中发射出光子。发生这种跃迁所需的时间就是我们所称的激发态寿命。激发态寿命的长度可以根据几种因素而变化，包括原子或分子的类型、周围环境以及涉及的特定能级。例如，在某些荧光材料中，激发态寿命可能在纳秒级别，而在其他材料中，可能延长到微秒甚至更长。这种可变性对于设计特定应用的材料至关重要，例如在开发高效太阳能电池或高度灵敏的传感器方面。理解激发态寿命在光谱学领域也至关重要。光谱技术依赖于光与物质之间的相互作用，发射或吸收光的特征可以提供有关分子电子结构的宝贵信息。通过研究激发态寿命，科学家可以推断出有关分子动态、能量转移机制甚至化学反应的细节。此外，激发态寿命是量子计算领域的关键参数。量子位或量子比特可以处于叠加态，但维持这些状态需要对激发态寿命进行仔细管理。如果寿命过短，量子比特可能在处理之前就会丢失其信息，从而导致计算错误。因此，研究人员不断探索增强量子比特激发态寿命的方法，以提高量子计算机的性能和可靠性。总之，激发态寿命的概念是科学和技术许多领域的基础。从理解分子相互作用到推动量子计算的发展，这一概念的影响范围广泛而多样。随着研究的不断发展，操控和控制激发态寿命的能力无疑将导致新的发现和创新，这可以改变我们对物理世界的理解并增强技术进步。因此，激发态寿命不仅仅是一个理论概念；它是连接量子力学和实际应用之间的关键因素，使其成为科学家和工程师必须研究的重要领域。