Error analysis of laser interferometric system for measuring radius of curvature

A Ali, M Amer, N Nada - Journal of Optics, 2024 - Springer
Spherical surfaces are essential components of optical systems and imaging devices.
Moreover, precision spheres are calibration standards for many accurate instruments in …

Aspheric surface measurement by absolute wavelength scanning interferometry with model-based retrace error correction

M Stašík, J Kredba, J Nečásek, V Lédl, U Fuchs… - Optics …, 2023 - opg.optica.org
This paper presents a non-nulling absolute interferometric method for fast and full-area
measurement of aspheric surfaces without the necessity of any mechanical movement …

[PDF][PDF] 激光差动共焦干涉高精度测量技术及仪器

杨帅, 邱丽荣, 汤亮, 杨铮, 崔健, 王允, 赵维谦 - Acta Optica Sinica, 2023 - researching.cn
摘要球面光学元件的曲率半径, 厚度, 折射率, 焦距和面形等多参数的高精度检测是光学元件超
精密制造的迫切需求, 但现有测量方法受层析定焦能力, 抗散射能力及抗环境扰动能力的制约 …

High-precision laser transverse differential confocal radius measurement method

S Tang, Y Li, L Qiu, Y Song, W Zhao, S Yang - Optics Express, 2021 - opg.optica.org
To meet the current need for high-precision and environment-insensitive measurement of
the radius of curvature (ROC), we proposed a transverse differential confocal radius …

[HTML][HTML] Research on high-precision large-aperture laser differential confocal-interferometric optical element multi-parameter measurement method

W Zhao, L Tang, S Yang, L Qiu - Light: Advanced Manufacturing, 2025 - light-am.com
To fulfill the requirements of high-precision common baseline measurement for multiple
parameters, such as surface profiling and the curvature radius of large-aperture optical …

Absolute wavelength scanning interferometry for measuring the thickness of optical elements

P Psota, J Kredba, M Stašík, J Nečásek, O Matoušek… - Optics …, 2023 - opg.optica.org
A technique for measurement of the thickness of optical elements using absolute
wavelength scanning interferometry is presented in this paper. To achieve high-grade …

Noise-resistant two-wavelength interferometry for single-shot measurement of high-gradient flows

P Psota, G Çubreli, D Šimurda, P Šidlof… - Optics and Lasers in …, 2023 - Elsevier
This paper presents a new robust approach to measuring dynamic phenomena with high
gradients using two-wavelength high-speed interferometry. A multiplexed interferogram with …

Compact lensless Fizeau holographic interferometry for imaging domain patterns in ferroelectric single crystals

M Mach, P Psota, K Žídek, P Mokrý - Applied Optics, 2023 - opg.optica.org
Domain patterns in ferroelectric single crystals are physical systems that are fascinating from
a theoretical point of view and essential for many applications. A compact lensless method …

Multiple wavelength digital holography for freeform shape measurement and lens alignment

F Kaván, P Psota, V Lédl, O Matoušek - Applied Optics, 2023 - opg.optica.org
This paper introduces a technique for freeform optical surface measurements using digital
holography with multiple discrete wavelengths or wavelength scans. This experimental …

Measurement of radius of curvature directly in the interferometer confocal position

P Psota, M Stašík, J Kredba, V Lédl, J Nečásek - Applied Optics, 2021 - opg.optica.org
This paper presents a new method for radius of curvature measurement by interferometers.
The radius measurement is carried out directly in the interferometer confocal position without …