Calibration of a Chromatic Confocal Microscope for Measuring a Colored Specimen
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2018.2875562
Abstract: In this paper, a color correction method is proposed to improve measurement accuracy for chromatic confocal microscopy (CCM) when measuring a colored specimen. Characteristic curve shifting due to selective reflection from color surfaces was analyzed… read more here.
Keywords: color; color correction; colored specimen; measuring colored ... See more keywords
Development and verification of a snapshot dental intraoral three-dimensional scanner based on chromatic confocal imaging
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Medical Imaging"
DOI: 10.1117/1.jmi.6.3.033502
Abstract: Abstract. We describe the development and verification of an optical, powder-free, intraoral scanner based on a chromatic confocal imaging system, which has been realized in a single-shot multifocal approach. The system is based on a… read more here.
Keywords: imaging; based chromatic; development verification; scanner based ... See more keywords
Single-shot high speed aerial chromatic confocal metrology sensor
Sign Up to like & getrecommendations! Published in 2021 at "Optical Engineering"
DOI: 10.1117/1.oe.60.12.124110
Abstract: Abstract. Chromatic confocal metrology is a widely established optical metrology technique, which allows for noncontact, high-speed three-dimensional surface profiling without the need of mechanical depth scanning. However, current methods are limited by the use of… read more here.
Keywords: confocal metrology; shot; metrology; high speed ... See more keywords
Thickness measurement method for self-supporting film with double chromatic confocal probes
Sign Up to like & getrecommendations! Published in 2021 at "Applied Optics"
DOI: 10.1364/ao.432384
Abstract: With the randomness and immeasurability properties of zero point, the conventional self-supporting film thickness measurement model must calibrate the distance between two chromatic confocal sensors using a standard part whose thickness needs to be measured… read more here.
Keywords: thickness measurement; method; film; self supporting ... See more keywords
Dynamic pressure surface deformation measurement based on a chromatic confocal sensor.
Sign Up to like & getrecommendations! Published in 2023 at "Applied optics"
DOI: 10.1364/ao.482808
Abstract: To enable the real-time measurement of pressure deformations in sealed cavities, a high-precision method of detecting the deformation of a material surface is proposed. By combining a chromatic confocal displacement sensor with a pressure sensor,… read more here.
Keywords: deformation; surface deformation; chromatic confocal; pressure ... See more keywords
Chromatic confocal measurement method using a phase Fresnel zone plate.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.449031
Abstract: A chromatic confocal measurement method based on a phase Fresnel zone plate (FZP) is described. Strong dispersion of FZP results in significant axial focal shift. The axial dispersion curve is close to linear within a… read more here.
Keywords: measurement method; chromatic confocal; measurement; confocal measurement ... See more keywords
Chromatic confocal sensor-based on-machine measurement for microstructured optical surfaces featuring a self-aligned spiral center.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.488897
Abstract: Chromatic confocal sensor-based on-machine measurement is effective for identifying and compensating for form errors of the ultra-precisely machined components. In this study, an on-machine measurement system was developed for an ultra-precision diamond turning machine to… read more here.
Keywords: machine; sensor based; chromatic confocal; confocal sensor ... See more keywords
MicroLED chromatic confocal microscope.
Sign Up to like & getrecommendations! Published in 2021 at "Optics letters"
DOI: 10.1364/ol.427477
Abstract: In this Letter, a microLED-based chromatic confocal microscope with a virtual confocal slit is proposed and demonstrated for three-dimensional (3D) profiling without any mechanical scanning or external light source. In the proposed method, a micro-scale… read more here.
Keywords: microled chromatic; microscopy; chromatic confocal; confocal microscope ... See more keywords