概括
本研究涉及大气压等离子体处理 (APPP) 中的热相互作用,用于超精密光学. 一种新的补偿方法准确地预测和控制工具影响功能的变化,提高了确定性去除的准确性.
科学领域:
- 材料科学 材料科学 材料科学
- 光学工程是指光学工程.
- 表面计量学 表面计量学
背景情况:
- 计算机控制光学表面 (CCOS) 对于超精密光学至关重要.
- 大气压等离子处理 (APPP) 提供了高效的,基于化学的材料去除.
- 等离子体加热导致温度升高,导致APPP中的时间变量工具影响函数 (TIF),使确定性控制复杂化.
研究的目的:
- 为了解决由于邻里效应而在 APPP 中存在的时间变量 TIF 模型的局限性.
- 提出和验证一种新的补偿方法,用于TIF变化受邻近加工点之间的热相互作用的影响.
- 为了提高超精密光学表面的APPPP中确定性材料去除的精度和控制.
主要方法:
- 深入分析邻近效应引起的TIF变化背后的机制.
- 理论开发和系统讨论补偿策略,包括工具路径优化,TIF变化建模和停留时间计算.
- 通过广泛的模拟和实验验证进行验证.
主要成果:
- 拟议的方法准确地模拟并补偿TIF变化,这些变化源于APPP的邻里效应.
- 模拟表明了补偿策略的有效性.
- 实验验证证证实了高精度材料移除和快速融合的能力.
结论:
- 开发的补偿方法有效地克服了APPP中现有模型的局限性,因为它考虑了邻里效应.
- 这种方法可以更准确地对超精确的光学表面进行确定性控制.
- 这些发现为使用APPP的复杂光学元件的增强制造铺平了道路.
相关概念视频
Inductively Coupled Plasma Atomic Emission Spectroscopy: Principle
656
Inductively coupled plasma (ICP) is the most widely used plasma source in atomic emission spectroscopy (AES), also known as Inductively Coupled Plasma Optical Emission Spectroscopy (ICP-OES). The ICP source, or torch, consists of three concentric quartz tubes with argon gas flowing through them. A spark from a Tesla coil initiates the ionization of argon, generating a high-temperature plasma.
The ions and electrons produced interact with the fluctuating magnetic field created by a water-cooled...
The ions and electrons produced interact with the fluctuating magnetic field created by a water-cooled...
656
Inductively Coupled Plasma–Mass Spectrometry (ICP–MS): Overview
751
In inductively coupled plasma–mass spectrometry (ICP–MS), an inductively coupled plasma (ICP) torch is used as an atomizer and ionizer. Solid samples are dissolved and volatilized before being introduced into the high-temperature argon plasma, while solution samples are nebulized and passed through the high-temperature argon plasma. Plasma dissociates the analytes and ionizes their component atoms to form a mixture of positive ions and molecular species. The positive ions are then...
751
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS): Interferences
485
Inductively coupled plasma–mass spectrometry (ICP–MS) is a highly selective and sensitive technique for accurate elemental analysis. Though the analysis of ICP–MS mass spectra is comparatively straightforward, it is affected by spectroscopic and non-spectroscopic interferences. Spectroscopic interferences arise when the plasma contains ionic species with an m/z value the same as the analyte ion. Spectroscopic interference can be categorized as isobaric, polyatomic ions, and...
485
Fluid Pressure over Flat Plate of Variable Width
1.8K
When a flat plate is submerged in a fluid, the fluid exerts pressure on the plate. This pressure can lead to many different phenomena, including drag and buoyancy. To understand the behavior of the fluid over a flat plate of variable width, it is essential to analyze the distribution of the pressure exerted.
The pressure distribution on the plate can be calculated by determining the force that acts on a differential area strip of the plate. Thus, the magnitude of the force is equal to the...
The pressure distribution on the plate can be calculated by determining the force that acts on a differential area strip of the plate. Thus, the magnitude of the force is equal to the...
1.8K
Atomic Emission Spectroscopy: Interference
198
In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...
198
Atomic Emission Spectroscopy: Lab
168
AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
168


