femtosecond

简明释义

英[ˈfɛmtoʊˌsɛkənd]美[ˈfɛmtoʊˌsɛkənd]

n. 飞秒，毫微微秒

英英释义

单词用法

同义词

反义词

例句

1.The transmission properties of femtosecond optical pulse are analyzed with the momentum method.

利用矩法分析了飞秒光脉冲的传输特性。

2.This approach is demonstrated to be effective on compensation of temporal dispersion for AOD scanning femtosecond laser.

这表明该方案用于AOD扫描飞秒激光时进行时间色散补偿是非常有效的。

3.The temporal dispersion effect and compensation approach of femtosecond laser scanning by an acoustooptical deflector (AOD) was studied.

研究了声光偏转器(AOD)扫描飞秒激光的时间色散效应及补偿方案。

4.Photophysical processes of the chlorophyll derivative photosensitizer CPD3 were investigated under two-photon excitation (TPE) induced by a femtosecond pulse laser.

用飞秒脉冲激光，研究了二氢卟吩光敏剂CPD3分子在双光子激发(TPE)下的光物理过程。

5.Femtosecond laser-frequency comb techniques are vastly simplifying the measurement.

飞秒激光光梳技术大大简化了光频的测量。

6."One may argue that now we have femtosecond lasers which generate pulses with a length of a few femtoseconds," he noted.

也许有人会说，我们现在已经拥有了飞秒激光器，可以产生仅几毫秒长的脉冲。

7.Owing to its high efficiency, it is especially suitable for the experiments of ultrashort femtosecond pulse laser produced plasmas.

由于其高效率，该谱仪尤其适用于超短飞秒脉冲激光产生等离子体的实验研究。

8.We have implemented a femtosecond laser tweezers, and the stable optical trapping of human red blood cells(RBC) was observed.

采用自行搭建的飞秒激光光镊，实现了对人体血红细胞（RBC）的稳定捕获。

9.The principle and current application of the femtosecond two-photon microfabrication are introduced.

介绍了飞秒激光双光子微细加工技术的原理和应用的现状。

10.The laser pulse lasted only a few femtoseconds, allowing scientists to capture rapid chemical reactions.

激光脉冲持续了仅仅几飞秒，使科学家能够捕捉快速的化学反应。

11.In ultrafast optics, the femtosecond scale is crucial for measuring light-matter interactions.

在超快光学中，飞秒尺度对于测量光与物质的相互作用至关重要。

12.Researchers used a femtosecond laser to study electron movements in atoms.

研究人员使用飞秒激光研究原子中电子的运动。

13.A femtosecond is one quadrillionth of a second, making it an incredibly short time frame.

飞秒是十亿分之一秒，使其成为一个极短的时间框架。

14.The development of femtosecond lasers has revolutionized the field of surgery.

飞秒激光的发展彻底改变了外科手术领域。

作文

In the realm of physics and chemistry, the term femtosecond refers to a unit of time that is equal to one quadrillionth of a second, or 10^-15 seconds. This incredibly brief duration is crucial for understanding the dynamics of molecular and atomic processes. For instance, when a chemical reaction occurs, it often happens on the timescale of femtoseconds, making it essential for scientists to develop techniques that can measure and observe such rapid events. One of the most exciting applications of femtosecond technology is in the field of ultrafast laser spectroscopy, where lasers emit pulses of light that last only femtoseconds. These short bursts allow researchers to capture the movement of electrons as they transition between energy states, providing valuable insights into the mechanisms of chemical reactions. The ability to manipulate and measure events on the femtosecond scale has revolutionized our understanding of fundamental processes in nature. For example, by using femtosecond lasers, scientists have been able to study the behavior of proteins and enzymes in real-time, shedding light on how these biological molecules function at an atomic level. This research not only enhances our knowledge of biochemistry but also has potential implications for drug design and development. Furthermore, the pursuit of femtosecond measurements is not limited to chemistry alone; it extends to various fields including materials science and telecommunications. In materials science, the ability to observe and control phenomena at the femtosecond scale can lead to the development of new materials with unique properties. In telecommunications, advancements in femtosecond pulse generation are paving the way for faster data transmission and improved signal processing. Despite its significance, the femtosecond scale poses challenges in terms of measurement and observation. Traditional methods of observing chemical reactions are often too slow to capture the rapid changes occurring in femtoseconds. As a result, scientists have had to innovate and create specialized equipment capable of operating on this ultra-short timescale. Techniques such as pump-probe experiments, which involve using a short laser pulse to initiate a reaction followed by another pulse to probe the system, have become essential tools in the study of femtosecond dynamics. In conclusion, the concept of femtosecond is pivotal in advancing our understanding of the natural world. Its applications span across various scientific disciplines, enabling researchers to explore and manipulate processes that occur in the blink of an eye. As technology continues to evolve, we can expect to see even more groundbreaking discoveries that leverage the power of femtosecond measurements. The future of science is undoubtedly tied to our ability to comprehend and utilize timeframes as fleeting as femtoseconds, unlocking new possibilities for innovation and discovery.

在物理和化学领域，术语femtosecond指的是一个时间单位，相当于一万亿分之一秒，或10^-15秒。这个极其短暂的时间段对于理解分子和原子过程的动态至关重要。例如，当发生化学反应时，它通常发生在femtosecond的时间尺度上，因此科学家必须开发能够测量和观察如此快速事件的技术。femtosecond技术最令人兴奋的应用之一是在超快激光光谱学领域，其中激光发出仅持续femtosecond的光脉冲。这些短暂的爆发使研究人员能够捕捉电子在能量状态之间过渡时的运动，从而提供对化学反应机制的宝贵见解。 操纵和测量femtosecond尺度上的事件的能力彻底改变了我们对自然基本过程的理解。例如，通过使用femtosecond激光，科学家能够实时研究蛋白质和酶的行为，揭示这些生物分子在原子水平上如何运作。这项研究不仅增强了我们对生物化学的理解，而且对药物设计和开发具有潜在影响。 此外，对femtosecond测量的追求并不限于化学；它还扩展到材料科学和电信等各个领域。在材料科学中，观察和控制发生在femtosecond尺度上的现象的能力可以导致具有独特性质的新材料的开发。在电信领域，femtosecond脉冲生成的进步为更快的数据传输和改进的信号处理铺平了道路。 尽管其重要性，femtosecond尺度在测量和观察方面仍然存在挑战。传统的观察化学反应的方法往往太慢，无法捕捉在femtosecond内发生的快速变化。因此，科学家不得不创新并创建能够在这一超短时间尺度上操作的专用设备。诸如泵探测实验等技术，涉及使用短激光脉冲启动反应，然后使用另一个脉冲探测系统，已成为研究femtosecond动态的重要工具。 总之，femtosecond的概念在推动我们对自然界的理解方面至关重要。它的应用跨越多个科学学科，使研究人员能够探索和操纵在眨眼之间发生的过程。随着技术的不断发展，我们可以期待看到更多利用femtosecond测量的突破性发现。科学的未来无疑与我们理解和利用像femtosecond这样短暂的时间框架的能力息息相关，开启了创新和发现的新可能性。